Agilent 53131A/132A/181A 225 MHz Counters Assembly-Level Service Guide Manual Part Number 53131-90039 Printed in Malaysia
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Agilent 53131A/132A/181A Assembly-Level Service Guide This guide describes how to service the Agilent 53131A and Agilent 53132A Universal Counters, and the Agilent 53181A Frequency Counter.
Copyright 1994 - 2009 Agilent Technologies, Inc. Certification and Warranty Before Cleaning Safety Considerations (contd) Certification All Rights Reserved. Reproduction, adaptation, or translations without prior written permission is prohibited, except as allowed under the copyright laws. Agilent Technologies certifies that this product met its published specification at the time of shipment from the factory.
Continued from front matter. . . Warranty (contd) Agilent does not warrant that the operation of Agilent products will be uninterrupted or error free. If Agilent is unable, within a reasonable time, to repair or replace any product to a condition as warranted, customer will be entitled to a refund of the purchase price upon prompt return of the product. Agilent products may contain remanufactured parts equivalent to new in performance or may have been subjected to incidental use.
I Manufacturer’s Name: Manufacturer’s Address: DECLARATION OF CONFORMITY According to ISO/IEC Guide 22 and CEN/CENELEC EN 45014 Agilent Technologies, Incorporated Santa Clara Site 5301 Stevens Creek Blvd Santa Clara, California 95051 Declares, that the product Product Name: Model Number: Product Options: Universal Counter Frequency Counter 53131A, 53132A 53181A This declaration covers all options of the above product.
Contents Preface How to Use This Guide xiii Repair Strategy xiii Instrument Identification xiii Instruments Covered by this Guide xiv Assembly-Level Service Guide Organization How to Order Guides xv Description of the 225 MHz Counters xvi Options xviii Hardware xviii Support xix Accessories Supplied and Available xix Accessories Supplied xix Accessories Available xix 1 xiv Performance Tests Introduction 1-2 Operational Verification 1-2 Complete Performance Tests 1-3 Optional GPIB Verification 1-3 Recomme
Contents Counter Setup 1-10 Procedure 1-11 External Timebase Tests 1-12 Equipment 1-12 1 MHz External Timebase Input (Agilent 53131A and Agilent 53181A Only) 1-13 5 MHz External Timebase Input (Agilent 53131A and Agilent 53181A Only) 1-14 10 MHz External Timebase Input (Agilent 53131A and Agilent 53181A Only) 1-14 10 MHz External Timebase Input for the Agilent 53132A 1-15 Agilent 53131A/132A Complete Performance Tests 1-16 Test 1: Time Interval (Agilent 53131A/132A Only) 1-17 Equipment 1-17 Counter Setup 1
Contents Test 5: Option 030/050/124 Channel 3 Frequency Sensitivity (Agilent 53131A/132A Only) 1-30 Equipment 1-30 Counter Setup 1-30 100 MHz to 2.5 GHz Sensitivity for Agilent 53131A/132A Option 030 only 1-31 2.7 to 3.0 GHz Sensitivity for Option 030 only 1-32 200 MHz to 5.0 GHz Sensitivity for Agilent 53131A/132A (Option 050 only) 1-33 200 MHz to 12.
Contents Agilent 53181A Complete Performance Tests 1-47 Test 1: Trigger Level (Agilent 53181A Only) 1-48 Equipment 1-48 Counter Setup 1-48 Procedure 1-49 Test 2: Channel 1 Frequency Sensitivity (Agilent 53181A Only) 1-51 Equipment 1-51 Counter Setup 1-51 100 kHz to 100 MHz Sensitivity for Agilent 53181A 1-52 100 MHz to 200 MHz Sensitivity for Agilent 53181A 1-54 200 MHz to 225 MHz Sensitivity for Agilent 53181A 1-54 Test 3: Channel 1 Frequency Accuracy (Agilent 53181A Only) 1-55 Equipment 1-55 Counter Setu
Contents Equipment 1-65 Counter Setup 1-65 Procedure 1-66 Test 6: Peak Volts, Channel 1 (Agilent 53181A Only) 1-68 Equipment 1-68 Counter Setup 1-68 Procedure 1-69 Agilent 53181A GPIB Verification Program (Optional) 1-70 Agilent 53181A Performance Test Record 1-71 2 Service Introduction 2-2 Returning the Instrument to Agilent Technologies for Service 2-3 To Provide Repair Information 2-3 To Pack in the Original Packaging Materials 2-4 To Pack in the Commercially Available Materials 2-5 About the Agilent
Contents CAL: TI QUIK? Calibration 2-20 Equipment 2-20 CAL: TI FINE? Calibration 2-21 Equipment 2-21 To Calibrate the Standard Timebase 2-23 To Calibrate the High Stability Timebase Option (Medium, High, or Ultra-High) 2-24 About the Agilent 53181A Calibration Menu 2-25 Overview of the Agilent 53181A Calibration Menu 2-25 The Agilent 53181A Calibration Menu Tree 2-27 To View the Calibration Menu and Security Status 2-28 To Unsecure for Calibration 2-28 To Initiate the Calibration Routines 2-29 To Secure Ag
Contents Product Performance Checks 2-39 Assembly Identification and Location 2-40 Troubleshooting the Counter 2-45 Power Supply Check 2-45 Overview of the Self-Test Routines 2-47 Diagnosing the Faulty Assembly by Using the Self Tests To Run the Test-All Self Test 2-49 To Run the Individual Self Tests 2-50 3 2-49 Replacing Assemblies Introduction 3-2 Tools Required 3-3 Do This First 3-3 To Remove the Cover 3-4 To Remove the Front Bezel 3-6 To Remove A1 Motherboard Assembly 3-9 To Remove the A2 Display B
Contents Preliminary Procedure 4-4 Retrofitting Procedure 4-5 To Retrofit A6 High Stability Timebase Assembly (Options 001, 010, and 012) 4-11 Option 001 Medium Stability Timebase Assembly Parts 4-11 Option 010 High Stability Timebase Assembly Parts 4-11 *Option 012 Ultra-High Stability Timebase Assembly Parts 4-11 Procedure 4-12 To Retrofit the Rear Terminals (Option 060) 4-14 Option 060 Rear Terminals Parts 4-14 5 Replaceable Parts Introduction 5-2 Exchange Assemblies 5-2 Reference Designations 5-3 Rep
Contents Measurement Specifications 7-5 Measurement Definitions 7-12 Measurement Arming and Processing General Information 7-16 8 7-14 Agilent 53181A Specifications Introduction 8-2 Instrument Inputs 8-2 Time Base 8-4 Measurement Specifications 8-5 Measurement Definitions 8-9 Measurement Arming and Processing General Information 8-11 8-10 Index Assembly-Level Service Guide xi
Contents xii Assembly-Level Service Guide
Preface This guide provides assembly-level service information for the Agilent 53131A and Agilent 53132A Universal Counters, and the Agilent 53181A Frequency Counter. How to Use This Guide Repair Strategy This service guide is designed to isolate failures to the assembly level only. The Agilent 53131A/132A/181A Counter can be returned to Agilent Technologies for all service work, including troubleshooting, and verifying specifications.
Preface Instruments Covered by this Guide This guide applies directly to Agilent 53131A, Agilent 53132A, and Agilent 53181A Counters that have the same serial number prefix(es) shown on the title page. If the serial number prefix of your Counter differs from that listed on the title page of this guide, then there may be differences between this guide and your instrument. Instruments having a higher serial prefix are covered when required by one or more manual-change sheets included with this guide.
Preface Chapter 7, “Agilent 53131A/132A Specifications,” lists all the specifications and operating characteristics for the Agilent 53131A/132A Universal Counter. Chapter 8, “Agilent 53181A Specifications,” lists all the specifications and operating characteristics for the Agilent 53181A Frequency Counter. How to Order Guides The part number for this guide is listed in the Certification and Warranty page (located on the back of the title page) and on the rear cover of this guide.
Preface Description of the 225 MHz Counters The Agilent 53131A and Agilent 53132A are universal counters capable of measuring frequencies to 225 MHz on Channels 1 and 2. With an optional Channel 3, this frequency is extended to 3.0 GHz (Option 030); 5.0 GHz (Option 050) or 12.4 GHz (Option 124).” For the Agilent 53131A, frequency and time interval resolutions are 10 digits in one second and 500 picoseconds, respectively.
Preface • external gating, • statistics, • automatic limit testing, • SCPI programming capability, and • analog display mode limit testing Programmable control is performed via a GPIB. The GPIB and a talk-only RS-232C serial port are standard for the Agilent 53131A/132A/181A. The serial port is for printing measured and analyzed data on serial printers, or for outputting an out-oflimit signal.
Preface Options The options available for the Agilent 53131A/132A/181A Counter are listed following this paragraph. Specifications for the options are listed in Chapter 7, “Agilent 53131A/132A Specifications,” and Chapter 8, “Agilent 53181A Specifications.” If you’ve purchased an option with the initial order, it will be installed at the factory and ready for operation at delivery. Refer to the “Retrofitting Options” chapter in this guide for instructions on field installation of the options.
Preface Support • 5-year Return to Agilent Technologies for Repair, Option W50 • 5-year Return to Agilent Technologies for Calibration, Option W52 Accessories Supplied and Available Accessories Supplied • Power cord, 2.
Preface xx Assembly-Level Service Guide
1 Performance Tests Verifying Specifications
Chapter 1 Performance Tests Introduction 1 Introduction This chapter provides procedures to test the electrical performance of the Agilent 53131A/132A Universal Counter and Agilent 53181A Frequency Counter, using the specifications listed in Chapter 7, “Agilent 53131A/132A Specifications,” and Chapter 8, “Agilent 53181A Specifications,” of this guide.
Chapter 1 Performance Tests Introduction Complete Performance Tests Optional GPIB Verification The GPIB verification program, described on page 1-40 (Agilent 53131A/132A) or page 1-70 (Agilent 53181A), exercises the Counter via the GPIB interface. The program is written for an HP 9000 series 200 or 300 Desktop Computer as the controller. If the instrument successfully completes all phases of the verification program, there is a very high probability that the GPIB interface is working properly.
Chapter 1 Performance Tests Equipment Required 1 Equipment Required Table 1-1. Recommended Test Equipment Instrument Required Characteristics Recommended Model Use Synthesizer DC to 13 MHz Agilent 3325B OV, P, T Synthesized Signal Generator 100 kHz to 2560 MHz Agilent 8663A OV, P, T Pulse Generator 5 ns pulse width Agilent 8130A or equivalent OV, C Sweep Oscillator 3.
Chapter 1 Performance Tests Agilent 53131A/132A/181A Operational Verification Agilent 53131A/132A/181A Operational Verification If you are unfamiliar with the operation of the Counter, you should review the Chapter 1, “Getting Started,” in the Operating Guide. However, the procedures in this chapter are written so that little experience is necessary. The procedures should be followed in the order in which they appear. Power-On Self Tests 1 Inspect the Counter for any damage.
Chapter 1 Performance Tests Agilent 53131A/132A/181A Operational Verification 1 5 Verify that the following happens: • All segments of the front-panel display light up, • SELFTST: PASS is displayed, • GPIB AT n is quickly displayed—where “n” represents the GPIB address (Note that some earlier versions of the Counter’s firmware did not display the GPIB address at power-up.), and • dashes are displayed.
Chapter 1 Performance Tests Agilent 53131A/132A/181A Operational Verification HP 53181A Counter 10 MHz Out (rear panel) 1 Channel 1 Figure 1-1B. Operational Verification Setup for Agilent 53181A 8 Depending on which Counter you are testing, verify the appropriate reading as shown below: For Agilent 53131A and Agilent 53181A, verify a reading of 10.000,000,00 MHz. For the Agilent 53132A, verify a reading of 10.000,000,000 MHz.
Chapter 1 Performance Tests Agilent 53131A/132A/181A Operational Verification 1 Run Self Test 1 Disconnect the input signals from the Counter. 2 Power down (turn off the Counter), press and hold Recall (Utility) key, then press POWER key. 3 Press Recall key until TEST: ALL ? is displayed. 4 Press Enter key. Observe that ALL: PASS is displayed after the self test is completed.
Chapter 1 Performance Tests Agilent 53131A/132A/181A Operational Verification 3 Press Channel 1 50Ω/1MΩ key. The LED turns on, indicating a 50Ω input impedance for Channel 1. 1 4 Press Channel 1 DC/AC key. The LED turns on, indicating DC input coupling for Channel 1. 5 Verify the DVM reads 51.1Ω ± 3Ω. 6 For Agilent 53131A/132A, mark Pass or Fail in the Agilent 53131A/132A Performance Test Record on page 1-41, Test 5a.
Chapter 1 Performance Tests Agilent 53131A/132A/181A Operational Verification External Arm Test (Agilent 53131A/132A Only) 1 This test verifies the External Arm port of the Agilent 53131A and Agilent 53132A Counter is operational. Equipment Agilent 8663A Synthesized Signal Generator Agilent 8130A Pulse Generator (or equivalent) Agilent 10100C 50Ω Feedthrough Agilent 10503A BNC Cables (2) Agilent 1250-0780 N-to-BNC Connector Counter Setup 1 Cycle the POWER key to preset the Counter.
Chapter 1 Performance Tests Agilent 53131A/132A/181A Operational Verification Procedure 1 Set the Pulse Generator to the following: 2 1 PERIOD: 20 µs WIDTH: 5 µs High: 3.00 V Low : 0.8 V Trailing/Leading : 1.0 ns Input Mode: TRIG Connect the equipment as shown in Figure 1-3. HP 8130A Pulse Generator Output HP 8663A Synthesized Signal Generator 50Ω Feedthrough Ext Arm (rear panel) Counter Channel 1 Output N-to-BNC Connector Figure 1-3.
Chapter 1 Performance Tests 1 Agilent 53131A/132A/181A Operational Verification 3 Set the Agilent 8663A to output a 200 MHz, 100 mV sine wave signal to Channel 1. 4 On the Counter, Press Run key. 5 Send a single pulse by pressing the MAN key on the Agilent 8130A, and observe that with each press the Gate annunciator flashes. The Counter should display approximately 1000. 6 For Agilent 53131A/132A, mark Pass or Fail in the Agilent 53131A/132A Performance Test Record on page 1-41, Test 7.
Chapter 1 Performance Tests Agilent 53131A/132A/181A Operational Verification 1 MHz External Timebase Input (Agilent 53131A and 53181A Only) 1 Connect the equipment as shown in Figure 1-4. 1 HP 3325B Synthesizer #1 50Ω Feedthrough Ref. In (rear panel) Output HP 3325B Synthesizer #2 Counter Channel 1 Output Figure 1-4. External Timebase Test Setup 2 Cycle the POWER key to preset the Counter. 3 Set Synthesizer #1 (i.e.
Chapter 1 Performance Tests Agilent 53131A/132A/181A Operational Verification 5’ For Agilent 53181A, mark Pass or Fail in the Agilent 53181A Performance Test Record on page 1-71, Test 5a. 1 5 MHz External Timebase Input (Agilent 53131A and 53181A Only) 1 Change the frequency of Synthesizer # 1, which is connected to the Counter’s rear-panel Ref In input to 5 MHz. 2 On the Counter, press Run key. Verify the Counter displays a reading of approximately 2 MHz and the ExtRef annunciator is lit.
Chapter 1 Performance Tests Agilent 53131A/132A/181A Operational Verification 10 MHz External Timebase Input for the Agilent 53132A Connect the equipment as shown in Figure 1-4. 2 Set Synthesizer #1 (i.e., the Agilent 3325B that is connected to the rear-panel Ref In input of the Counter via a 50Ω feedthrough) to output a 10 MHz, 200 mV rms sine wave signal. 3 Set Synthesizer #2 (i.e., the Agilent 3325B that is connected to Channel 1) to output a 2 MHz, 100 mV rms square wave signal.
Chapter 1 Performance Tests Agilent 53131A/132A Complete Performance Tests Agilent 53131A/132A Complete Performance Tests 1 The specifications of the Agilent 53131A/132A Universal Counter can be verified by performing the performance tests provided in this section. Table 1-2 lists a summary of the Agilent 53131A/132A performance tests. Record the results of the performance tests in the appropriate place on Agilent 53131A/132A Performance Test Record, which starts on page 1-41.
Chapter 1 Performance Tests Test 1: Time Interval (Agilent 53131A/132A Only) Test 1: Time Interval (Agilent 53131A/132A Only) 1 This test verifies the Time Interval specifications between Channels 1 and 2. Equipment Agilent 8130A Pulse Generator (or equivalent) Agilent 10503A BNC Cable Counter Setup 1 Cycle the POWER key to preset the Counter. 2 Press Time & Period key until TI 1 TO 2 is displayed. 3 Set CHANNEL 1 input conditions to: Trigger/Sensitivity, AUTO TRG: OFF Trigger/Sensitivity, LEVEL: .
Chapter 1 Performance Tests Test 1: Time Interval (Agilent 53131A/132A Only) Procedure Connect the pulse generator signal to Channel 1 of the Counter as shown in Figure 1-5. 1 1 HP53131A/132 Counter HP 8130A Pulse Generator Channel 1 Output Figure 1-5. Time Interval (Channel 1 TO 2) Test Setup 2 Set the Pulse Generator to the following: PERIOD: 10 µs WIDTH: 150 ns High: 1.00 V Low : 0.00 V Input Mode: Normal 3 On the Counter, Press Single/Stop key. The Agilent 53131A Counter should display 0.
Chapter 1 Performance Tests Test 2: Trigger Level (Agilent 53131A/132A Only) Test 2: Trigger Level (Agilent 53131A/132A Only) 1 This test verifies the Trigger Level accuracy of the Agilent 53131A and Agilent 53132A Universal Counters. Equipment Agilent 3325B Synthesizer Agilent 10503A BNC Cable Counter Setup 1 Cycle the POWER key to preset the Counter. 2 Set CHANNEL 1 input conditions to: Trigger/Sensitivity, AUTO TRG: OFF Trigger/Sensitivity, LEVEL: 0.
Chapter 1 Performance Tests Test 2: Trigger Level (Agilent 53131A/132A Only) Procedure Connect the output of the Agilent 3325B to Channel 1 of the Counter as shown in Figure 1-6. 1 1 HP 3325B Synthesizer HP 53131A/132A Counter Channel 1 Channel 2 Output Figure 1-6. Trigger Level Test Setup 2 Set the Agilent 3325B to output a 1 MHz, 80 mVp-p square wave signal. 3 Set the Agilent 3325B DC OFFSET to −60 mV. 4 On the Counter, press Run key.
Chapter 1 Performance Tests Test 2: Trigger Level (Agilent 53131A/132A Only) In the Counter’s Channel 1 Trigger/Sensitivity menu, change the SLOPE to NEG. 8 Set the Agilent 3325B DC OFFSET to +60 mV. 9 On the Counter, press Run key. 10 1 7 Now, decrement the offset on the Agilent 3325B by −1 mV until the Counter’s Gate annunciator flashes and continue decrementing until the Counter displays a stable reading of approximately 1 MHz. Observe the offset value on the display of the Agilent 3325B.
Chapter 1 Performance Tests Test 3: Channels 1 and 2 Frequency Sensitivity (Agilent 53131A/132A Only) 1 Test 3: Channels 1 and 2 Frequency Sensitivity (Agilent 53131A/132A Only) This set of tests verifies frequency sensitivity specifications of the Agilent 53131A and 53132A Universal Counters.
Chapter 1 Performance Tests Test 3: Channels 1 and 2 Frequency Sensitivity (Agilent 53131A/132A Only) 100 kHz to 100 MHz Sensitivity for Agilent 53131A/132A 1 Connect the timebase output of the unit with the better timebase to the timebase reference input of the other unit as shown in Figure 1-7. 1 For this test, make sure you always use the unit (Agilent 53131A/132A or Agilent 8663A) that contains the better 10 MHz timebase as the output source as shown in Figure 1-7.
Chapter 1 Performance Tests Test 3: Channels 1 and 2 Frequency Sensitivity (Agilent 53131A/132A 1 Only) 2 Set the Agilent 8663A Signal Generator to output a 100 MHz, −35.0 dBm sine wave signal (−20.0 dBm for Option 060 Rear Terminals) to the Counter’s Channel 1 input. 3 On the Counter, press Run key. 4 In 0.1 dB steps, increase the power level until the Counter displays a stable reading of 100 MHz. The Counter should display 100 MHz when the signal generator level is ≤−21.0 dBm (20 mVrms).
Chapter 1 Performance Tests Test 3: Channels 1 and 2 Frequency Sensitivity (Agilent 53131A/132A Only) If you are testing a Counter with front-panel terminals (Standard), record the reading on Line 2 of the Standard portion of the test record. The remaining sensitivity procedures are NOT required for Counters that contain Option 060 Rear Terminals; thus, this completes the sensitivity portion of the Frequency Performance Test. Go to the Frequency Accuracy Test on page 1-27.
Chapter 1 Performance Tests Test 3: Channels 1 and 2 Frequency Sensitivity (Agilent 53131A/132A Only) 200 MHz to 225 MHz Sensitivity for Agilent 53131A/132A Leave the signal generator connected to Channel 1. Change the signal generator settings to 225 MHz at −30 dBm. 2 On the Counter, press Run key. 3 Increase the power level by 0.1 dB steps until the Counter displays a stable reading of 225 MHz. 1 1 The Counter should read 225 MHz when the input signal level is ≤−15.0 dBm (40 mVrms).
Chapter 1 Performance Tests Test 4: Channels 1 and 2 Frequency Accuracy (Agilent 53131A/132A Only) 1 Test 4: Channels 1 and 2 Frequency Accuracy (Agilent 53131A/132A Only) This set of tests verifies the frequency accuracy specifications of the Agilent 53131A and Agilent 53132A Universal Counters.
Chapter 1 Performance Tests Test 4: Channels 1 and 2 Frequency Accuracy (Agilent 53131A/132A Only) Procedure Connect the equipment as shown in Figure 1-8 with the signal generator connected to Channel 1 of the Counter. 1 1 Input (rear panel) 50Ω Feedthrough Ref. In (rear panel) HP 8663A Synthesized Signal Generator HP 53131A/132A Counter Channel 2 Channel 1 Output N-to-BNC Connector Figure 1-8. Channels 1 and 2 Frequency Accuracy Test Setup 2 Set the Signal Generator to output 1 MHz at −7 dBm.
Chapter 1 Performance Tests Test 4: Channels 1 and 2 Frequency Accuracy (Agilent 53131A/132A Only) 5 Change the signal generator frequency to 100 MHz. Verify the Agilent 53131A Counter reads 100 MHz ±70 mHz. 1 Verify the Agilent 53132A Counter reads 100 MHz ±15 mHz. 6 Record the actual reading in the appropriate place in the Performance Test Record (Test 4, Line 5 for Agilent 53131A or Test 4, Line 7 for Agilent 53132A). 7 Change the signal generator frequency to 200 MHz.
Chapter 1 Performance Tests Test 5: Option 030/050/124 Channel 3 Frequency Sensitivity (Agilent 53131A/132A Only) 1 Test 5: Option 030/050/124 Channel 3 Frequency Sensitivity (Agilent 53131A/132A Only) This test verifies the frequency range, and sensitivity of the optional 3-GHz and 5-GHz Channel 3 (Option 030/050/124) for the Agilent 53131A and the Agilent 53132A Universal Counters.
Chapter 1 Performance Tests Test 5: Option 030/050/124 Channel 3 Frequency Sensitivity (Agilent 53131A/132A Only) 100 MHz to 2.5 GHz Sensitivity for Agilent 53131A/132A Option 030 only 1 Frequency Standard (switch set to EXT) HP 8340B Sweep Oscillator Output Input (rear panel) HP 8663A Synthesized Signal Generator HP 53131A/132A Counter 50Ω Feedthrough Ref. In (rear panel) Channel 3 Output N-to-BNC Connector Figure 1-9.
Chapter 1 Performance Tests Test 5: Option 030/050/124 Channel 3 Frequency Sensitivity (Agilent 53131A/132A Only) 3 Increase the power level in 5 dB steps until the Counter displays a stable reading of approximately 2.5 GHz. 1 The Counter should display 2.5 GHz at ≤−27.0 dBm (10 mVrms). 4 Sweep the frequencies from 2.5 GHz to 200 MHz. The Counter should read frequencies from 2.5 GHz to 200 MHz at ≤−27.0 dBm (10 mVrms). 5 Record the actual reading in the Performance Test Record (Test 5, Line 1). 2.
Chapter 1 Performance Tests Test 5: Option 030/050/124 Channel 3 Frequency Sensitivity (Agilent 53131A/132A Only) 200 MHz to 5.0 GHz Sensitivity for Agilent 53131A/132A (Option 050 only) Connect the 8340B Sweep Oscillator to Channel 3 of the counter. 2 Change the settings of the Sweep Oscillator to 5.0 GHz, −40 dBm. 3 Increase the power level in 1 dB steps until the Counter displays a stable reading of approximately 5.0 GHz. 1 1 The Counter should display 5.0 GHz at ≤−23 dBm.
Chapter 1 Performance Tests Test 5: Option 030/050/124 Channel 3 Frequency Sensitivity (Agilent 53131A/132A Only) 200 MHz to 12.4 GHz Sensitivity for Agilent 53131A/132A (Option 124 only) Connect the 8340B Sweep Oscillator to Channel 3 of the counter. 2 Change the settings of the Sweep Oscillator to 12.4 GHz, −40 dBm. 3 Increase the power level in 1 dB steps until the Counter displays a stable reading of approximately 12.4 GHz. 1 1 The Counter should display 12.4 GHz at ≤−23 dBm.
Chapter 1 Performance Tests Test 6: Option 030/050/124 Channel 3 Frequency Accuracy (Agilent 53131A/132A Only) 1 Test 6: Option 030/050/124 Channel 3 Frequency Accuracy (Agilent 53131A/132A Only) This test verifies the frequency accuracy of the optional 3-GHz or 5-GHz Channel 3 (Option 030).
Chapter 1 Performance Tests Test 6: Option 030/050/124 Channel 3 Frequency Accuracy (Agilent 53131A/132A Only) 3 On the Counter, press Run key. Verify the Agilent 53131A Counter reads 100 MHz ±70 mHz. 1 Verify the Agilent 53132A Counter reads 100 MHz ±20 mHz. 4 Record the actual reading in the Performance Test Record (Test 6, Line 1 for Agilent 53131A or Test 6, Line 2 for Agilent 53132A).
Chapter 1 Performance Tests Test 7: Peak Volts, Channels 1 and 2 (Agilent 53131A/132A Only) 1 Test 7: Peak Volts, Channels 1 and 2 (Agilent 53131A/132A Only) This test verifies the Peak Volts accuracy specification of the Agilent 53131A and Agilent 53132A Universal Counters. Equipment Agilent 3325B Synthesizer Agilent 10100C 50Ω Feedthrough Agilent 10503A BNC Cable Counter Setup 1 Cycle the POWER key to preset the Counter. 2 Press Other Meas key until VOLT PEAKS 1 is displayed.
Chapter 1 Performance Tests Test 7: Peak Volts, Channels 1 and 2 (Agilent 53131A/132A Only) Volt Peak 1 Connect the equipment as shown in Figure 1-10. 1 1 HP 3325B Synthesizer HP 53131A/132A Counter Channel 2 Channel 1 Output Figure 1-10. Peak Volts Test Setup 2 Set the Agilent 3325B to output a 2 MHz, 2 Vp-p sine wave. The Counter should display −1.00 ±0.12V for the negative peak of the sine wave. This reading is displayed on the left side of the display.
Chapter 1 Performance Tests Test 7: Peak Volts, Channels 1 and 2 (Agilent 53131A/132A Only) Volt Peak 2 Remove the signal from Channel 1 of the Counter and connect it to Channel 2. 2 Press Other Meas key until VOLT PEAK 2 is displayed. 1 1 The Counter should display -1.00 ±0.12V for the negative peak of the sine wave. This reading is displayed on the left side of the display. Record the actual reading in the Performance Test Record (Test 7, Line 2a). Also, the Counter should display +1.00 ±0.
Chapter 1 Performance Tests Agilent 53131A/132A GPIB Verification Program (Optional) 1 Agilent 53131A/132A GPIB Verification Program (Optional) The GPIB Verification program exercises the Agilent 53131A/132A and through various operating modes via the its GPIB interface. If the Counter successfully completes all phases of the verification program, there is a high probability that the GPIB interface is operating correctly.
Chapter 1 Performance Tests Agilent 53131A/132A Performance Test Record (Page 1 of 6) 1 Agilent 53131A/132A Performance Test Record (Page 1 of 6) Agilent Technologies Model 53131A/132A Universal Counter Serial Number: ___________________________ Repair/Work Order No.
Chapter 1 Performance Tests Agilent 53131A/132A Performance Test Record (Page 2 of 6) 1 Agilent 53131A/132A Performance Test Record (Page 2 of 6) Complete Performance Tests Test Number Test Description 1 2 Minimum Actual Reading Maximum Time Interval (Agilent 53131A/132A Only): For Agilent 53131A 0.1460 µs 1. __________ 0.1540 µs For Agilent 53132A 0.1475 µs 2. __________ 0.1525 µs Channel 1 −15 mV 1. __________ +15 mV Channel 2 (Agilent 53131A/132A Only) −15 mV 2.
Chapter 1 Performance Tests Agilent 53131A/132A Performance Test Record (Page 3 of 6) 1 Agilent 53131A/132A Performance Test Record (Page 3 of 6) Complete Performance Tests (Continued) Test Number 4 Actual Reading Test Description Minimum Maximum Channels 1 and 2 Frequency Accuracy (Agilent 53131A/132A Only) 1 MHz Test (Agilent 53131A): Channel 1 999,999.999 Hz 1. __________ 1,000,000.001 Hz 999,999.999 Hz 2. __________ 1,000,000.001 Hz 999,999.9998 Hz 3. __________ 1,000,000.0002 Hz 999,999.
Chapter 1 Performance Tests Agilent 53131A/132A Performance Test Record (Page 4 of 6) 1 Agilent 53131A/132A Performance Test Record (Page 4 of 6) Complete Performance Tests (Continued) Test Number 4 Actual Reading Test Description Minimum Maximum 200 MHz Test (Agilent 53131A): Channel 1 199.999,999,87 MHz 9. __________ 200.000,000,13 MHz Channel 2 199.999,999,87 MHz 10. __________ 200.000,000,13 MHz Channel 1 199.999,999,970 MHz 11. __________ 200.000,000,03 MHz Channel 2 199.
Chapter 1 Performance Tests Agilent 53131A/132A Performance Test Record (Page 5 of 6) 1 Agilent 53131A/132A Performance Test Record (Page 5 of 6) Complete Performance Tests (Continued) Test Number 6 Actual Reading Test Description Minimum Maximum Option 030 Channel 3 Frequency Accuracy (Agilent 53131A/132A Only) 100 MHz Test (Agilent 53131A): Channel 3 100 MHz Test (Agilent 53132A): 99.999,999,93 MHz 1. __________ 100.000,000,07 MHz 99.999, 999,980 MHz 2. __________ 100.000,000,020 MHz 2,999.
Chapter 1 Performance Tests Agilent 53131A/132A Performance Test Record (Page 6 of 6) 1 Agilent 53131A/132A Performance Test Record (Page 6 of 6) Complete Performance Tests (Continued) Test Number 6 Actual Reading Test Description Minimum Maximum 12.4 GHz Test (Agilent 53131A): Channel 3 12.399.999 992 MHz 7. __________ 12,400.000 008 MHz 12,399.999 998 MHz 8. __________ 12,400.000 002 MHz 12,399.999,982,0 MHz 7. __________ 12,400.000 018, MHz 12,399.999,992,0 MHz 8. __________ 12,400.
Chapter 1 Performance Tests Agilent 53181A Complete Performance Tests Agilent 53181A Complete Performance Tests Record the results of the performance tests in the appropriate place on Agilent 53181A Performance Test Record, which starts on page 1-71. (Note: the complete performance tests for the Agilent 53131A/132A Universal Counter begin on page 1-16 of this chapter.) NOTE To perform valid testing of the specifications, warm up the Counter and test equipment for 30 minutes. Table 1-3.
Chapter 1 Performance Tests Test 1: Trigger Level (Agilent 53181A Only) Test 1: Trigger Level (Agilent 53181A Only) 1 This test verifies the Trigger Level accuracy of the Agilent 53181A Frequency Counter. Equipment Agilent 3325B Synthesizer Agilent 10503A BNC Cable Counter Setup 1 Cycle the POWER key to preset the Counter. 2 Set CHANNEL 1 input condition to: Trigger/Sensitivity, AUTO TRG: OFF Trigger/Sensitivity, LEVEL: 0.
Chapter 1 Performance Tests Test 1: Trigger Level (Agilent 53181A Only) Procedure 1 Connect the output of the Agilent 3325B to Channel 1 of the Counter as shown in Figure 1-11. 1 HP 53181A Counter HP 3325B Synthesizer Channel 1 Output Figure 1-11. Trigger Level Test Setup 2 Set the Agilent 3325B to output a 1 MHz, 80 mVp-p square wave signal. 3 Set the Agilent 3325B DC OFFSET to −60 mV. 4 On the Counter, press Run key.
Chapter 1 Performance Tests 1 Test 1: Trigger Level (Agilent 53181A Only) 7 In the Counter’s Channel 1 Trigger/Sensitivity menu, change the SLOPE to NEG. 8 On the Counter, press Run key. 9 Set the Agilent 3325B DC OFFSET to +60 mV. 10 Now, decrement the offset on the Agilent 3325B by −1 mV until the Counter’s Gate annunciator flashes and continue decrementing until the Counter displays approximately 1 MHz. Observe the offset value on the display of the Agilent 3325B. Record the value__________ mV.
Chapter 1 Performance Tests Test 2: Channel 1 Frequency Sensitivity (Agilent 53181A Only) 1 Test 2: Channel 1 Frequency Sensitivity (Agilent 53181A Only) This set of tests verifies frequency sensitivity specifications of the Agilent 53181A Frequency Counter. Equipment Agilent 8663A Synthesized Signal Generator Agilent 1250-0780 Type N-to-BNC Connector Agilent 10100C 50Ω Feedthrough Agilent 10503A BNC Cables (2) Counter Setup 1 Cycle the POWER key to preset the Counter.
Chapter 1 Performance Tests Test 2: Channel 1 Frequency Sensitivity (Agilent 53181A Only) 100 kHz to 100 MHz Sensitivity for Agilent 53181A Connect the equipment as shown in Figure 1-12 with the signal generator connected to Channel 1 of the Counter. 1 1 Input (rear panel) BNC Tee HP 53181A Counter 50Ω Feedthrough Ref. In (rear panel) HP 8663A Synthesized Signal Generator Channel 1 Output N-to-BNC Connector Figure 1-12.
Chapter 1 Performance Tests Test 2: Channel 1 Frequency Sensitivity (Agilent 53181A Only) 4 Sweep the frequency from 100 kHz to 100 MHz. For Option 060, sweep frequencies from 100 kHz to 225 MHz. 5 Record the actual reading in the Performance Test Record (Test 2, Line 1). If you are testing a Counter with front-panel terminals (Standard), record the reading on Line 1 of the Standard portion of the test record.
Chapter 1 Performance Tests Test 2: Channel 1 Frequency Sensitivity (Agilent 53181A Only) 1 100 MHz to 200 MHz Sensitivity for Agilent 53181A 1 Change the signal generator settings to 110 MHz at −30 dBm. 2 Increase the power level by 0.1 dB steps until the Counter displays a stable 110 MHz reading. The Counter should read 200 MHz when the input signal level is ≤−17.5 dBm (30 mVrms). 3 Sweep the signal generator frequency from 100 MHz to 200 MHz.
Chapter 1 Performance Tests Test 3: Channel 1 Frequency Accuracy (Agilent 53181A Only) 1 Test 3: Channel 1 Frequency Accuracy (Agilent 53181A Only) This set of tests verifies the frequency accuracy specifications of the Agilent 53181A Frequency Counter. Equipment Agilent 8663A Synthesized Signal Generator Agilent 8340B Sweep Oscillator Agilent 1250-0780 Type N-to-BNC Connector Agilent 10100C 50Ω Feedthrough Agilent 10503A BNC Cables (2) Counter Setup 1 Cycle the POWER key to preset the Counter.
Chapter 1 Performance Tests Test 3: Channel 1 Frequency Accuracy (Agilent 53181A Only) Procedure Connect the equipment as shown in Figure 1-13 with the signal generator connected to Channel 1 of the Counter. 1 1 Frequency Standard (switch set to EXT) HP 8340B Sweep Oscillator Output Input (rear panel) HP 8663A Synthesized Signal Generator HP 53181A Counter 50Ω Feedthrough Ref. In (rear panel) Output Channel 1 N-to-BNC Connector Figure 1-13.
Chapter 1 Performance Tests Test 3: Channel 1 Frequency Accuracy (Agilent 53181A Only) 4 Record the actual reading in the Performance Test Record (Test 3, Line 1). 5 Change the signal generator frequency to 100 MHz. 1 Verify the Counter reads 100 MHz ±70 mHz. 6 Record the actual reading in the Performance Test Record (Test 3, Line 2). 7 Change the signal generator frequency to 200 MHz. Verify the Counter reads 200 MHz ±130 mHz.
Chapter 1 Performance Tests Test 4: Option 015/030/050/124 Channel 2 Frequency Sensitivity 1 Test 4: Option 015/030/050/124 Channel 2 Frequency Sensitivity This test verifies the frequency range and sensitivity of the optional 1.5-GHz (Option 015), 3-GHz (Option 030), 5.0-GHz (Option 050), or 12.4-GHz (Option 124) Channel 2 for the Agilent 53181A Frequency Counter.
Chapter 1 Performance Tests Test 4: Option 015/030/050/124 Channel 2 Frequency Sensitivity 100 MHz to 1.5 GHz Sensitivity for Option 015 Only 1 Frequency Standard (switch set to EXT) HP 8340B Sweep Oscillator Output Input (rear panel) HP 8663A Synthesized Signal Generator HP 53181A Counter 50Ω Feedthrough Ref. In (rear panel) Output Channel 2 N-to-BNC Connector Figure 1-14. Option 015/030/050 Channel 2 Frequency Test 2 On the Counter, Press Run key.
Chapter 1 Performance Tests Test 4: Option 015/030/050/124 Channel 2 Frequency Sensitivity 3 Increase the power level in 1 dB steps until the Counter reads 500 MHz. 1 The Counter should display 500 MHz at ≤−27.0 dBm (20 mVrms). 4 Sweep the frequencies from 100 MHz to 1.5 GHz. The Counter should read frequencies from 100 MHz to 1.5 GHz at ≤−27.0dBm (20 mVrms). 5 Record the actual reading in the Performance Test Record (Test 4, Line 1). 100 MHz to 2.
Chapter 1 Performance Tests Test 4: Option 015/030/050/124 Channel 2 Frequency Sensitivity 2.8 to 3.0 GHz Sensitivity for Option 030 Only Disconnect the Agilent 8663A Synthesized Signal Generator from the Counter (see Figure 1-14), and connect the Agilent 8340B Sweep Oscillator to Channel 3 of the Counter. 2 Change the settings of the Sweep Oscillator to 3.0 GHz, −40 dBm. 3 Increase the power level in 1 dB steps until the Counter displays 3.0 GHz. The Counter should display 3.0 GHz at ≤−21.0 dBm.
Chapter 1 Performance Tests Test 4: Option 015/030/050/124 Channel 2 Frequency Sensitivity 1 200 MHz to 12.4 GHz Sensitivity for Option 124 only 1 Connect the 8340B Sweep Oscillator to Channel 2 of the counter. 2 Change the settings of the Sweep Oscillator to 12.4 GHz, −30 dBm. 3 Increase the power level in 1 dB steps until the Counter displays a stable reading of approximately 12.4 GHz. The Counter should display 12.4 GHz at ≤−23 dBm.
Chapter 1 Performance Tests Test 5: Option 015/030/050/124 Channel 2 Frequency Accuracy (Agilent 53181A Only) 1 Test 5: Option 015/030/050/124 Channel 2 Frequency Accuracy (Agilent 53181A Only) This test verifies the frequency accuracy of the optional 1.5-GHz (Option 015), 3-GHz (Option 030), 5.0 GHz (Option 050), or 12.4 GHz (Option 124) Channel 2 for the Agilent 53181A Frequency Counter.
Chapter 1 Performance Tests Test 5: Option 015/030/050/124 Channel 2 Frequency Accuracy (Agilent 53181A Only) Procedure Connect equipment as shown in Figure 1-15. 1 1 Frequency Standard (switch set to EXT) HP 8340B Sweep Oscillator Output Input (rear panel) HP 8663A Synthesized Signal Generator HP 53181A Counter 50Ω Feedthrough Ref. In (rear panel) Output Channel 2 N-to-BNC Connector Figure 1-15.
Chapter 1 Performance Tests Test 5: Option 015/030/050/124 Channel 2 Frequency Accuracy (Agilent 53181A Only) 4 Change the synthesized signal generator’s frequency to 1.5 GHz. Verify the Counter reads 1.5 GHz ±1 Hz Record the actual reading in the Performance Test (Test 5, Line 2). 6 Disconnect the test setup.
Chapter 1 Performance Tests Test 5: Option 015/030/050/124 Channel 2 Frequency Accuracy (Agilent 53181A Only) Procedure 1 Connect equipment as shown in Figure 1-15. 1 (NOTE: For Option 050/124, skip steps 2 through 7. Proceed to step 8.) 2 Set the Agilent 8663A Synthesized Signal Generator to output 200 MHz at −17.0 dBm. 3 On the Counter, press Run key. Verify the Agilent 53181A Counter reads 100 MHz ±70 mHz. 4 Record the actual reading in the Performance Test Record (Test 5, Line 3).
Chapter 1 Performance Tests Test 5: Option 015/030/050/124 Channel 2 Frequency Accuracy (Agilent 53181A Only) (NOTE: For Options 050/124) 8 Set the Agilent 8340B to output 5.0 GHz at −17 dBm. 1 Verify the Agilent 53181A Counter reads 5.0 GHz ±3 Hz. 9 Record the actual reading in the Performance Test Record (Test 5, Line 5). (NOTE: For Option 124) 10 Set the Agilent 8340B to output 12.4 GHz at –17 dBm. Verify the Agilent 53181A Counter reads 12.4 GHz ±8 Hz.
Chapter 1 Performance Tests Test 6: Peak Volts, Channel 1 (Agilent 53181A Only) Test 6: Peak Volts, Channel 1 (Agilent 53181A Only) 1 This test verifies the Peak Volts accuracy specification of the Agilent 53181A Frequency Counter. Equipment Agilent 3325B Synthesizer Agilent 10100C 50Ω Feedthrough Agilent 10503A BNC Cable Counter Setup 1 Cycle the POWER key to preset the Counter. 2 Press Other Meas key until VOLT PEAKS 1 is displayed.
Chapter 1 Performance Tests Test 6: Peak Volts, Channel 1 (Agilent 53181A Only) Procedure 1 Connect the equipment as shown in Figure 1-16. 1 HP 53181A Counter HP 3325B Synthesizer Channel 1 Output Figure 1-16. Peak Volts Test Setup 2 Set the Agilent 3325B to output a 2 MHz, 2 Vp-p sine wave, and connect the signal to Channel 1 of the Counter. The Counter should display −1.00 ±0.12V for the negative peak of the sine wave. This reading is displayed on the left side of the display.
Chapter 1 Performance Tests Agilent 53181A GPIB Verification Program (Optional) 1 Agilent 53181A GPIB Verification Program (Optional) The GPIB Verification program exercises the Agilent 53181A through various operating modes via the its GPIB interface. If the Counter successfully completes all phases of the verification program, there is a high probability that the GPIB interface is operating correctly.
Chapter 1 Performance Tests Agilent 53181A Performance Test Record (Page 1 of 4) 1 Agilent 53181A Performance Test Record (Page 1 of 4) Agilent Technologies Model 53181A Frequency Counter Serial Number: ___________________________ Repair/Work Order No.
Chapter 1 Performance Tests Agilent 53181A Performance Test Record (Page 2 of 4) 1 Agilent 53181A Performance Test Record (Page 2 of 4) Complete Performance Tests Test Number Test Description 1 Minimum Actual Reading Maximum Trigger Level: Channel 1 −15 mV 1. __________ +15 mV −15 mV 2. __________ +15 mV Test 2: Channel 1 Frequency Sensitivity (Agilent 53181A Only) Standard (Front Panel Terminals) Actual Reading Specification 100 kHz–100 MHz, Channel 1 1.
Chapter 1 Performance Tests Agilent 53181A Performance Test Record (Page 3 of 4) 1 Agilent 53181A Performance Test Record (Page 3 of 4) Complete Performance Tests Test 4: Option 015/030/050 Channel 2 Frequency Sensitivity (Agilent 53181A Only) Actual Reading Specification 100 MHz–1.5 GHz (Option 015 Only) 1. __________ ≤−27 dBm 100 MHz–2.7 GHz (Option 030 Only) 2. __________ ≤−27 dBm 2.8–3.0 GHz (Option 030 Only) 3. __________ ≤−21 dBm .2–5.0 GHz (Option 050 Only) 4. __________ ≤−23 dBm .
Chapter 1 Performance Tests Agilent 53181A Performance Test Record (Page 4 of 4) 1 Agilent 53181A Performance Test Record (Page 4 of 4) Complete Performance Tests Test Number 6 Actual Reading Test Description Minimum Maximum Peak Volts, Channel 1 (Agilent 53181A Only): Channel 1 −1.12 V a. __________ −0.88 V +0.88 V b. __________ +1.
2 Service
Chapter 2 Service Introduction Introduction This chapter provides service information for your Agilent 53131A/132A/181A and is divided into seven major sections: Returning the Instrument to Agilent Technologies for Service (page 2-3). This section provides you with step-by-step instructions on how to return the instrument for service. • About the Agilent 53131A/132A Calibration Menu (page 2-6).
Chapter 2 Service Returning the Instrument to Agilent Technologies for Service Returning the Instrument to Agilent Technologies for Service To Provide Repair Information If you are shipping the instrument to an Agilent Technologies office for service or repair, call your nearest Agilent Technologies Sales Office to make arrangements. Then tag and package the Agilent 53131A/132A/181A for shipment.
Chapter 2 Service Returning the Instrument to Agilent Technologies for Service To Pack in the Original Packaging Materials 2 Whenever possible, repack the instrument in its original packaging for shipment. In any correspondence, refer to the instrument by the model number and complete serial number. 1 Disconnect the power cord, probes, cables, or other accessories attached to the instrument.
Chapter 2 Service Returning the Instrument to Agilent Technologies for Service To Pack in the Commercially Available Materials If the factory packaging materials are not available, you can use commercially available materials for shipping. 1 Wrap the instrument in heavy paper or plastic. 2 Place the instrument in a strong shipping container. A double-wall carton made of 350-lb. test material is adequate. Protect the control panel with cardboard. 4 Add a layer of shock-absorbing material.
Chapter 2 Service About the Agilent 53131A/132A Calibration Menu About the Agilent 53131A/132A Calibration Menu If you are familiar with the information provided in this section, proceed to the section titled “The Agilent 53131A/132A Calibration Procedures” on page 2-15 to calibrate your Counter. This section, “About the Agilent 53131A/132A Calibration Menu,” can be used as a reference.
Chapter 2 Service About the Agilent 53131A/132A Calibration Menu The Calibration menu, illustrated on page 2-8, allows you to: view the calibration security status of the Counter (CAL SECURE or CAL UNSECURE) • initiate the Counter’s calibration routines, which can perform automatic calibration of the voltage offset and gain of the front-end input amplifiers (CAL: OFFS 1 / 2 ?, GAIN 1 / 2?), of the optional timebase (CAL: TIMEBAS?), and of the differences in electrical path-length between channels 1 and 2
Chapter 2 Service About the Agilent 53131A/132A Calibration Menu The Agilent 53131A/132A Calibration Menu Tree NOTE Turn power off, press and hold Scale & Offset key, then press POWER key to access this menu. This menu does not exist in early versions (firmware revisions 3317, 3335, and 3402) of the Agilent 53131A/132A. In the early versions of the Counter, the CAL: menu item resides in the Utility menu, and there is no calibration security capability.
Chapter 2 Service About the Agilent 53131A/132A Calibration Menu To View the Calibration Menu and Security Status The Calibration menu is accessed by holding the Scale & Offset key and cycling the POWER key. The first item in the Calibration menu is a message indicating the calibration security status: CAL SECURE or CAL UNSECURE. To Unsecure for Calibration 1 Press and hold Scale & Offset key, then cycle POWER key. CAL SECURE is displayed.
Chapter 2 Service About the Agilent 53131A/132A Calibration Menu 4 Press any one of the arrow keys until your calibration choice (that is, CAL: OFFS2?, CAL: GAIN 1?, CAL: GAIN 2?, CAL: TI QUIK?, CAL: TI FINE?, or CAL: TIMEBAS?) is displayed. Note that the timebase choice (CAL: TIMEBAS?) only appears when the Timebase Option is installed. 5 Press Enter key. 2 A scrolling message is displayed. 6 Follow the instructions in the scrolling message, and press Enter key to start the calibration.
Chapter 2 Service About the Agilent 53131A/132A Calibration Menu The Fine Time Interval Calibration requires a special calibrator signal source to provide input—because it produces eight calibration terms, each tailored to a different combination of input conditions. It requires the synthesizer driving the calibrator to produce a very accurate 10 MHz waveform—because it calibrates the pulse width configuration against the 50-nanosecond pulse width so provided.
Chapter 2 Service About the Agilent 53131A/132A Calibration Menu Equipment and Counter Setup: See Figure 2-1. HP 8130A Pulse Generator In A HP 53131A/132A Counter B 1 3 4 HP 59992A J06 Time Interval Calibrator Start Stop 2 Output 2 Figure 2-1. Calibration Setup for CAL: TI FINE? Out of Agilent 8130A, into Agilent 59992A J06 Calibrator Signal: PERIOD: 100 ns WIDTH: 50 ns High: 0.50 V Low: −0.50 V Input Mode: Normal Timebase: Any external timebase you provide is ignored during calibration.
Chapter 2 Service About the Agilent 53131A/132A Calibration Menu To Secure Against Calibration 1 Press and hold Scale & Offset key, then cycle POWER key. CAL UNSECURE is displayed. If CAL SECURE is displayed, then the Counter is already secured against calibration and the remaining steps are not applicable. 2 Press Scale & Offset key until CODE: is displayed. 3 Press the appropriate arrow keys to enter the security code, then press Enter key. CAL SECURE is displayed.
Chapter 2 Service About the Agilent 53131A/132A Calibration Menu To View the Calibration Count 1 Press and hold Scale & Offset key, then cycle POWER key. 2 Press Scale & Offset key until CAL COUNT? is displayed. 3 Press any one of the entry keys (arrow, +/-, Enter) to have a scrolling message appear, indicating what the calibration count is. Your Counter was calibrated before it left the factory. When you receive your Counter, read the calibration count to determine its initial value.
Chapter 2 Service The Agilent 53131A/132A Calibration Procedures The Agilent 53131A/132A Calibration Procedures First Determine the Counter Firmware Revision Press and hold Recall (Utility) key, then cycle POWER key. REV: n is displayed; where “n” represents the numeric firmware revision code. If 3317, 3335, or 3402 is displayed as the firmware revision code, then perform the calibration procedures in Chapter 6, “Backdating.
Chapter 2 Service The Agilent 53131A/132A Calibration Procedures 3 Press the appropriate arrow keys to enter the security code “53131”, for example, if 53131 is the security code by performing the following steps: a. Press g key four times. The Counter should display CODE: 00000. b. Press d key five times. The Counter should display CODE: 50000. c. Press g key once, and then press d key three times. 2 The Counter should display CODE: 53000. d. Press g key once, and then press d key once.
Chapter 2 Service The Agilent 53131A/132A Calibration Procedures 6 Press Enter key. The Counter momentarily displays CALIBRATING, and then it should display OFFS 1 PASS. If the fail message is displayed, refer to the troubleshooting section in this chapter. 7 To calibrate Channel 2, press any one of the arrow keys until CAL: OFFS 2 ? is displayed. 8 Press Enter key. 9 Press Enter key. The Counter momentarily displays CALIBRATING, and then it should display OFFS 2 PASS.
Chapter 2 Service The Agilent 53131A/132A Calibration Procedures To Calibrate the Gain for Channels 1 and 2 1 Press any one of the arrow keys until CAL: GAIN 1 ? is displayed. 2 Press Enter key. A scrolling message is displayed. Follow the instruction by performing the following steps. Connect a BNC tee connector to Channel 1 of the Counter. 4 Connect the Counter, dc power supply, and digital multimeter as shown in Figure 2-2.
Chapter 2 Service The Agilent 53131A/132A Calibration Procedures 8 To calibrate the gain for Channel 2, connect the input or the BNC Tee to Channel 2 of the Counter. 9 Press any one of the arrow keys until CAL: GAIN 2 ? is displayed. 10 Press Enter key. A scrolling message is displayed. (The +5V dc supply should already be connected to Channel 2 as you were previously instructed to do this in step 8.) 11 Press Enter key again.
Chapter 2 Service The Agilent 53131A/132A Calibration Procedures CAL: TI QUIK? Calibration 1 Press any one of the arrow keys until CAL: TI QUIK? is displayed. 2 Press Enter key. A scrolling message with instructions appears. Follow the instruction by performing the following procedure 3 Connect the Agilent 8130A Pulse Generator output to Channel 1 of the Counter as shown in Figure 2-3.
Chapter 2 Service The Agilent 53131A/132A Calibration Procedures 5 Press Enter key. The Counter displays CALIBRATING, and then it should display TI CAL PASS. If the fail message is displayed, refer to the troubleshooting section in this chapter. 6 Disconnect the calibration setup. This completes the TI QUIK? calibration procedures. CAL: TI FINE? Calibration 1 Connect the Agilent 8130A Pulse Generator, Agilent 59992A J06 Time Interval Calibrator, and Agilent 53131A/123A Counter as shown in Figure 2-4.
Chapter 2 Service The Agilent 53131A/132A Calibration Procedures 2 Set the Agilent 8130A as follows: PERIOD: 100 ns WIDTH: 50 ns High: 0.50 V Low : −0.50 V Input Mode: Normal Any external timebase connected to the Counter is ignored during this calibration. 2 NOTE 3 Press any one of the arrow keys until CAL: TI FINE? is displayed. 4 Press Enter key. A scrolling message with instructions appears. Follow the instruction by performing the following procedure.
Chapter 2 Service The Agilent 53131A/132A Calibration Procedures To Calibrate the Standard Timebase 1 Connect the output of a 10 MHz house standard to Channel 1 of the Counter as shown in Figure 2-5. HP 53131A/132A Counter House Standard 10 MHz Reference 2 Channel 1 Figure 2-5. Standard Timebase Calibration Setup 2 Cycle the POWER key to preset the Counter. Allow the counter to warm up for approximately 30 minutes.
Chapter 2 Service The Agilent 53131A/132A Calibration Procedures To Calibrate the High Stability Timebase Option (Medium, High, or Ultra-High) NOTE Allow the Counter to warm up for approximately 24 hours before performing this calibration. This calibration is unlikely to fail, unless the Counter is not warmed up. Connect the output of a 10 MHz house standard to Channel 1 of the Counter as shown in Figure 2-5. 2 Press any one of the arrow keys until CAL: TIMEBAS? is displayed.
Chapter 2 Service About the Agilent 53181A Calibration Menu About the Agilent 53181A Calibration Menu NOTE If you are familiar with the information provided in this section, proceed to the section titled “The Agilent 53181A Calibration Procedures” (page 2-31) to calibrate your Counter. This section, “About the Agilent 53181A Calibration Menu,” can be used as a reference. NOTE With the exception of the standard timebase oscillator, no adjustments are required for the Agilent 53181A Counter.
Chapter 2 Service 2 About the Agilent 53181A Calibration Menu NOTE • change the security code by entering a new code while the Counter is unsecured (CODE: ) • view the calibration count, which indicates the number of times that the Counter has been calibrated (CAL COUNT?). The calibration count increments up to a maximum of 32,767 after which it wraps around to 1. A calibration count of 0 indicates that the Counter is completely uncalibrated.
Chapter 2 Service About the Agilent 53181A Calibration Menu The Agilent 53181A Calibration Menu Tree NOTE Turn power off, press and hold Scale & Offset key, then press POWER key to access this menu. POWER Scale & Offset On / Stby CAL SECURE CAL UNSECURE 2 3 CAL: OFFS1? CAL: GAIN1? 4 CAL: TIMEBAS? CODE: 0 CAL COUNT? HELP: CAL? HELP: SECURE? HELP: CODE? 3 This menu item appears and calibration is permitted only if calibration is unsecured.
Chapter 2 Service About the Agilent 53181A Calibration Menu To View the Calibration Menu and Security Status The Calibration menu is accessed by holding the Scale & Offset key and cycling the POWER key. The first item in the Calibration menu is a message indicating the calibration security status: CAL SECURE or CAL UNSECURE. To Unsecure for Calibration 1 Press and hold Scale & Offset key, then cycle POWER key. CAL SECURE is displayed.
Chapter 2 Service About the Agilent 53181A Calibration Menu To Initiate the Calibration Routines 1 Press and hold Scale & Offset key, then cycle POWER key. 2 Unsecure for calibration by performing the preceding procedure. 3 Press Scale & Offset key until CAL: OFFS1? is displayed. 4 Press any one of the arrow keys until your calibration choice (that is, CAL: GAIN 1?, or CAL: TIMEBAS?) is displayed. 5 Press Enter key. A scrolling message is displayed.
Chapter 2 Service About the Agilent 53181A Calibration Menu To Change to New the Security Code 1 Press and hold Scale & Offset key, then cycle POWER key. 2 Unsecure for calibration by the using the procedure described in the section titled “To Unsecure for Calibration.” 3 Press Scale & Offset key until CODE: is displayed. 4 Press the appropriate arrow keys to enter the new or customized security code, then press Enter key. 2 A scrolling message will appear, indicating what the new code is.
Chapter 2 Service The Agilent 53181A Calibration Procedures The Agilent 53181A Calibration Procedures First Determine the Counter Firmware Revision Press and hold Recall (Utility) key, then cycle POWER key. REV: n is displayed; where “n” represents the numeric firmware revision code. To Calibrate the Offset for Channel 1 1 To access the Calibration menu, power down, and press and hold the Scale & Offset key, then press POWER key.
Chapter 2 Service The Agilent 53181A Calibration Procedures c. Press key once, and then press key three times. The Counter should display CODE: 53000. d. Press key once, and then press key once. The Counter should display CODE: 53100. e. Press key once, and then press key eight times. The Counter should display CODE: 53180. 2 f. Press key once, and then press key once. The Counter should display CODE: 53181. g. Finally, press Enter key. CAL UNSECURE is displayed.
Chapter 2 Service The Agilent 53181A Calibration Procedures To Calibrate the Gain for Channel 1 1 Press any one of the arrow keys until CAL: GAIN 1 ? is displayed. 2 Press Enter key. A scrolling message is displayed. Follow the instruction by performing the following steps. Connect a BNC tee connector to Channel 1 of the Agilent 53181A. 4 Connect the Counter, dc power supply, and digital multimeter shown in Figure 2-6.
Chapter 2 Service The Agilent 53181A Calibration Procedures 8 Disconnect the calibration setup. This completes the Gain Calibration procedure. Depending on which timebase the Counter contains, proceed to either the following procedure “To Calibrate the Standard Timebase” or the “To Calibrate the High Stability Timebase Option (Medium, High, or Ultra-High)”procedure (page 2-35) to calibrate the timebase.
Chapter 2 Service The Agilent 53181A Calibration Procedures To Calibrate the High Stability Timebase Option (Medium, High, or Ultra-High) NOTE Allow the Counter to warm up for approximately 24 hours before performing this calibration. This calibration is unlikely to fail, unless the Counter is not warmed up. 1 Connect the output of a 10 MHz house standard to Channel 1 of the Counter as shown in Figure 2-7. 2 Press any one of the arrow keys until CAL: TIMEBAS? is displayed.
Chapter 2 Service Pre-Troubleshooting Information Pre-Troubleshooting Information 2 This section contains the following pertinent troubleshooting information: • Safety Considerations • Recommended Test Equipment • Repair Considerations • After Service Considerations • Assembly Identification and Location Safety Considerations Although this instrument has been designed in accordance with international safety standards, this guide contains information, cautions, and warnings which must be followe
Chapter 2 Service Pre-Troubleshooting Information WARNING BEFORE APPLYING AC POWER, THE INSTRUMENT AND ALL PROTECTIVE EARTH TERMINALS, EXTENSION CORDS, AUTO TRANSFORMERS, AND DEVICES CONNECTED TO THE INSTRUMENT SHOULD BE CONNECTED TO A PROTECTIVE EARTH GROUNDED SOCKET. ANY INTERRUPTION OF THE PROTECTIVE GROUNDING CONDUCTOR INSIDE OR OUTSIDE THE INSTRUMENT OR DISCONNECTION OF THE PROTECTIVE EARTH TERMINAL WILL CAUSE A POTENTIAL SHOCK HAZARD THAT COULD RESULT IN PERSONAL INJURY.
Chapter 2 Service Pre-Troubleshooting Information Repair Considerations Electrostatic Discharge Electronic components and assemblies in the Agilent 53131A/132A/181A can be permanently degraded or damaged by electrostatic discharge. Use the following precautions when servicing the instrument: ENSURE that static-sensitive devices or assemblies are serviced at static-safe work stations providing proper grounding for service personnel.
Chapter 2 Service Pre-Troubleshooting Information After Service Considerations Product Safety Checks The following safety checks must be performed after any troubleshooting and repair procedures have been completed to ensure the safe operation of the instrument. WARNING RESISTANCE CHECKS DESCRIBED IN THE FOLLOWING TEXT REQUIRE THAT THE POWER CORD BE CONNECTED TO THE INSTRUMENT AND THAT AC POWER BE DISCONNECTED. BE SURE THAT THE POWER CORD IS NOT CONNECTED TO POWER BEFORE PERFORMING ANY SAFETY CHECKS.
Chapter 2 Service Pre-Troubleshooting Information Assembly Identification and Location The assembly number, name and Agilent Technologies part number of the Agilent 53131A , Agilent 53132A, and Agilent 53181A assemblies are listed in Table 2-1, Table 2-2, and Table 2-3, respectively. Figure 2-8A, Figure 2-8B, and 5-1 illustrate the replaceable assemblies and cables in the Agilent 53131A/132A/181A. 2 Table 2-1. Agilent 53131A Assembly Identification Assembly Name Agilent Part No. Exchange Part No.
Chapter 2 Service Pre-Troubleshooting Information Table 2-2. Agilent 53132A Assembly Identification Assembly Name Agilent Part No. Exchange Part No.
Chapter 2 Service Pre-Troubleshooting Information Table 2-3. Agilent 53181A Assembly Identification Assembly Name Agilent Part No. Exchange Part No.
Chapter 2 Service Pre-Troubleshooting Information RS-232 Connector GPIB Connector HP-IB 10 MHz Out Connector Ref In Connector Ext Arm Connector J18 Power Supply Assembly Connector 2 J6 A4 AC Power Supply Assembly A3 Option 030/050 Channel 3 Assembly for HP 53131A/132A OR A3 Option 015/030/050 Channel 2 Assembly for HP 53181A J9 A1 Motherboard Assembly J7 A6 High Stability Timebase Assembly A3 Option 015/030/050 Channel Input Board Assembly Cable (P/O optional channel input board, Option 015/030 onl
Chapter 2 Service Pre-Troubleshooting Information RS-232 Connector GPIB Connector HP-IB 10 MHz Out Connector Ref In Connector Ext Arm Connector XLR (Male) Jack (P/O A5) J18 Power Supply Assembly Connector 2 A5 DC Power Input Assembly J6 (Hidden) A4 AC Power Supply Assembly A3 Option 030 Channel 3 Assembly for HP 53131A/132A OR A3 Option 015/030 Channel 2 Assembly for HP 53181A J9 A1 Motherboard Assembly J7 A6 High Stability Timebase Assembly A3 Option 015/030/050 Channel Input Board Assembly Cable
Chapter 2 Service Troubleshooting the Counter Troubleshooting the Counter Power Supply Check WARNING HAZARDOUS VOLTAGES ARE ON THE POWER SUPPLY ASSEMBLY. ONLY SERVICE TRAINED AND QUALIFIED PERSONNEL SHOULD PERFORM THE FOLLOWING PROCEDURE. Remove the power cord from the back of the instrument to disconnect the Counter from the power source. 2 Remove the cover as described in Chapter 3. 2 1 A4 AC Power Supply Assembly is fused for safety reasons.
Chapter 2 Service Troubleshooting the Counter 2 Ref In ! 2 +5 RS - 232 GND -9V 9G -12 GND +12 92 J18 ISM 1-A 010 HS Oven FOR LABORATORY USE BY QUALIFIED PERSONNEL FOUR USAGE EN LABORATOIRE PAR PERSONNEL QUALIFIE HP-IB OPTIONS 001 MS Oven Talk Only Osc Adjust To Configure: Hold Recall during turn-on. A1 Motherboard Assembly AC LINE: 10 MHz Out C VA VA 20 AC 600 - 140 V 100 - 2 20 z 0H /40 Hz /60 /60 50 50 E AT L RIA PL SE Figure 2-9.
Chapter 2 Service Troubleshooting the Counter Table 2-4 lists A4 power supply voltages, the corresponding wire color, and the tolerances. Table 2-4. A4 AC Power Supply Voltages Voltage Tolerance Red +5.0 V ±0.250 V Red +5.0 V ±0.250 V Black 0.0 V ______ Black 0.0 V ______ Yellow +12.0 V ±0.6 V Black 0.0 V ______ Blue -12.0 V ±1.2 V 2 5 Wire Color After verifying the correct voltage and that all calibrations passed, proceed to the following section.
Chapter 2 Service Troubleshooting the Counter You can also specify that failure messages be sent to a printer, the RS-232, and the GPIB—if in talk-only (TST PRINT: ON or OFF). There are 13 choices for the TEST: menu item. They are listed and described in the following text. TEST: ALL? —run all tests, except display, keypad and printer tests. 2 DISP? —illuminate the indicators and vacuum-fluorescent display (VFD) segments. Note, this test is not available if TEST LOOP: is ON. TEST LOOP: must be OFF.
Chapter 2 Service Troubleshooting the Counter INTERP? —test interpolators. KEYPAD? —request user to press all keys. Note, this test is not available if TEST LOOP: is ON. TEST LOOP: must be OFF. PRINT? —send three test lines to a printer via the RS-232. If in talkonly, also send three test lines to a printer via the GPIB. Diagnosing the Faulty Assembly by Using the Self Tests To Run the Test-All Self Test 1 Press and hold Recall (Utility) key, then cycle POWER key.
Chapter 2 Service Troubleshooting the Counter To Run the Individual Self Tests 1 Press and hold Recall (Utility) key, then cycle POWER key. If power does not cycle or the display does not light, go to the section titled “Power Supply Check” on page 2-45 of this chapter. NOTE 2 Press Recall (Utility) key until TEST LOOP: is displayed. 3 Ensure that TEST LOOP:OFF is displayed. 2 Note that the DISP? and KEYPAD? tests are not available if TEST LOOP: is ON.
Chapter 2 Service Troubleshooting the Counter 8 Repeat steps 2 through 5 for each of the self tests. Note that for the TEST: FR END? test, connect Counter as shown in Figure 2-11A or Figure 2-11B (depending on which Counter you are testing) and press Enter key. HP 53131A/132A Counter 10 MHz Out (rear panel) Channel 2 2 Channel 1 BNC Tee Figure 2-11A. Agilent 53131A/132A Self Test Troubleshooting Setup HP 53181A Counter 10 MHz Out (rear panel) Channel 1 Figure 2-11B.
Chapter 2 Service Troubleshooting the Counter 9 If the FAIL message is displayed for a test, use Table 2-5 to determine which assembly may need replacing. 2 Table 2-5.
3 Replacing Assemblies Disassembly and Reassembly
Chapter 3 Replacing Assemblies Introduction Introduction This chapter contains the instructions for removing major assemblies in the Agilent 53131A/132A/181A. To install an assembly, reverse the removal instructions. 3 This chapter provides the following disassembly and reassembly procedures: • To Remove the Cover page 3-4 • To Remove the Front Bezel page 3-6 • To Remove A1 Motherboard Assembly page 3-9 • To Remove the A2 Display Board, Keypads, and Window page 3-11 • To Remove A3 1.5/3.0/5.
Chapter 3 Replacing Assemblies Tools Required Tools Required The following tools are required for these removal and replacement procedures: • Hand TORX®‚ 10 screwdriver (T10) • Hand TORX®‚ 15 screwdriver (T15) • 7-mm spin tight • 14-mm deep-socket spin tight • Soldering iron—for removing Option 060 Rear Terminals • Small (1 point) Pozidriv screwdriver—for removing Option 010/012 oven oscillator from A6 Timebase Support Board Do This First 1 Turn Counter off.
Chapter 3 Replacing Assemblies To Remove the Cover To Remove the Cover The following steps are for removing the cover. The cover is removed to access the board and cable assemblies, and all other internal parts. WARNING WHEN THE COVER IS REMOVED FROM THE INSTRUMENT, LINE VOLTAGES ARE EXPOSED WHICH ARE DANGEROUS AND MAY CAUSE SERIOUS INJURY IF TOUCHED. DISCONNECT POWER. 1 Turn off the Counter and remove power cord.
Chapter 3 Replacing Assemblies To Remove the Cover 3 Remove the screw (H1) located at the bottom near the rear of the cover (MP3) as shown in Figure 3-2. H1 MP3 Ext Arm Ref In 10 MH z Ou t 3 ! 50/60/400 Hz Talk Only 50/60 Hz 2 60 VA 100 - 120 VAC 200 - 240 VAC 001 MS AC LIN E: Hold HP-IB Recal figure: To Con g turn-on.
Chapter 3 Replacing Assemblies To Remove the Front Bezel To Remove the Front Bezel 1 Remove the cover. See the section titled “To Remove the Cover” in this chapter. 2 Remove the bail handle (MP7) by rotating it to the vertical position and pull the ends outward as shown in Figure 3-3. 3 Figure 3-3. Handle Removal 3 Remove the front rubber bumper (part of MP2), stretch a corner and then slide it off as shown in Figure 3-4. Figure 3-4.
Chapter 3 Replacing Assemblies To Remove the Front Bezel 5 Remove the BNC nuts (H3), shown in Figure 3-5, from the front panel using the 14-mm deep-socket spin tight. P/O A2 Display Board Cable J6 H1 W1 H1 H3 3 H1 Figure 3-5. Front Bezel Removal 6 CAUTION For Counters with the optional 1.5 GHz or 3.0 GHz channel (Option 015 or 030), pull cable W1 out of the front bezel as shown in Figure 3-5. For the optional 5.0 or 12.4 GHz channel, remove knurled nut.
Chapter 3 Replacing Assemblies To Remove the Front Bezel Remove the two screws (H1), located in the sides of the front bezel, using the TORX 15 screwdriver as shown in Figure 3-5. 8 Loosen the screw (H1), shown in Figure 3-5, that helps secure A1 Motherboard Assembly to the chassis to make step 9 (the following step) easier. 9 Remove front bezel by pushing inward on the sides of the chassis.
Chapter 3 Replacing Assemblies To Remove A1 Motherboard Assembly To Remove A1 Motherboard Assembly 1 Remove the cover. See the section titled “To Remove the Cover” in this chapter. 2 Remove the Power Supply Assembly. See the section titled “To Remove A4 AC Power Supply Assembly” in this chapter. 3 Remove the front bezel. See the section titled “To Remove the Front Bezel” in this chapter. If the Counter contains Option 015/030/050/124 1.5/3.0/5.0/12.
Chapter 3 Replacing Assemblies To Remove A1 Motherboard Assembly H3 H5 H1 H4 J7 H1 A3 1.5/3.0 GHz Channel Assembly (Option 015/030) H5 H1 MP1 3 A1 Motherboard Assembly Figure 3-6. A1 Motherboard Assembly Removal 8 Remove the BNC nuts (H3), shown in Figure 3-6, from the rear of the chassis using the 14-mm deep-socket spin tight (Opt 015/030 only). Remove knurled nut for Option 050. 9 Remove the three screws (H1) in A1 Motherboard Assembly as shown in Figure 3-6.
Chapter 3 Replacing Assemblies To Remove the A2 Display Board, Keypads, and Window To Remove the A2 Display Board, Keypads, and Window 1 Remove the cover. See the section titled “To Remove the Cover” in this chapter. 2 Remove the front bezel. See the section titled “To Remove the Front Bezel” in this chapter. 3 Note that A2 Display Board Assembly, shown in Figure 3-7, is held in place by five tabs (two on top and three on bottom) which are part of the front bezel.
Chapter 3 Replacing Assemblies To Remove the A2 Display Board, Keypads, and Window 4 Pull up on the top portion of the front bezel until the top portion of the display board is free from the top tabs. 5 Pull down on the bottom portion of the front bezel until the display board is free from the bottom tabs. If the board is still not free, insert a small flat-blade screw driver or object between the bottom of the display board and the bezel to gently pry the board loose from the bottom tabs.
Chapter 3 Replacing Assemblies To Remove A3 1.5/3.0/5.0/12.4 GHz Channel Assembly (Option 015/030/050/124) To Remove A3 1.5/3.0/5.0/12.4 GHz Channel Assembly (Option 015/030/050/124) The 1.5 GHz Channel 2 Assembly is available only for the Agilent 53181A Frequency Counter. NOTE 1 Remove the cover. See the section titled “To Remove the Cover” in this chapter.
Chapter 3 Replacing Assemblies To Remove A3 1.5/3.0/5.0/12.4 GHz Channel Assembly (Option 015/030/050/124) A3 3 GHz Channel Assembly (Shown with Option 015/030) W1 J7 H2 H2 3 H3 Figure 3-8. Optional Channel Input Assembly Removal 4 Disconnect flat-ribbon cable of the optional channel from connector J7 of A1 Motherboard Assembly as shown in Figure 3-8. 5 Remove the four (two or three for Option 050 or 124) screws (H2) attaching the optional channel to the chassis as shown in Figure 3-8.
Chapter 3 Replacing Assemblies To Remove A4 AC Power Supply Assembly To Remove A4 AC Power Supply Assembly 1 Remove the cover. See the section titled “To Remove the Cover” in this chapter. 2 Remove the TORX screw (H1) located in the upper-middle of the chassis using the TORX 15 screwdriver as shown in Figure 3-9. A4 AC Power Supply Assembly H1 H2 3 H2 J18 Figure 3-9.
Chapter 3 Replacing Assemblies To Remove A4 AC Power Supply Assembly 3 Remove the two TORX screws (H2) on the rear panel using the TORX 10 screwdriver as shown in Figure 3-9. 4 Lift up A4 AC Power Supply Assembly and disconnect its cable from J18 on A1 Motherboard Assembly to remove the power supply assembly as shown in Figure 3-9. When replacing the power supply, order the rubber foot (0403-0424). Figure 3-10 shows where the rubber foot is located on the defective assembly.
Chapter 3 Replacing Assemblies To Remove A5 DC Power Input Assembly (Option 002) To Remove A5 DC Power Input Assembly (Option 002) 1 Remove the cover. See the section titled “To Remove the Cover” in this chapter. 2 Remove the four TORX 10 screws (H2) that attach A5 DC Power Input Assembly to the side of the chassis as shown in Figure 3-11.
Chapter 3 Replacing Assemblies To Remove A5 DC Power Input Assembly (Option 002) A5 DC Power Input Assembly (Option 002) H2 H2 3 H2 Figure 3-11. DC Power Input Assembly (Option 002) Removal 3 Lift out A5 DC Power Input Assembly and disconnect cable as shown in Figure 3-11.
Chapter 3 Replacing Assemblies To Remove A6 High Stability Timebase Assembly (Options 001, 010, and 012) To Remove A6 High Stability Timebase Assembly (Options 001, 010, and 012) 1 Remove the cover. See the section titled “To Remove the Cover” in this chapter. 2 Disconnect A6 High Stability Timebase Assembly cable from the J9 connector on A1 Motherboard Assembly as shown in Figure 3-12.
Chapter 3 Replacing Assemblies To Remove A6 High Stability Timebase Assembly (Options 001, 010, and 012) A6 High Stability Timebase Assembly H2 H2 SERIAL PLATE 3 H2 92 BY E: IN CL 2 1 J9 ! 3 001 en Ov MS -IB HP y lk 2 -on.
Chapter 3 Replacing Assemblies To Remove the Rear Terminals (Option 060) To Remove the Rear Terminals (Option 060) 1 Remove the cover. See the section titled “To Remove the Cover” in this chapter. 2 Unsolder the lead-end of the cables from their appropriate ground and input pads on the A1 Motherboard Assembly (J16, J17) as shown in Figure 3-13. For the Agilent 53131A/132A unsolder the rear chassis INPUTS 1 cable to J16 and INPUTS 2 to J17.
Chapter 3 Replacing Assemblies To Remove the Rear Terminals (Option 060) H6 W1 from Option 015/030 W2 H3 H6 Remove from J17 H3 3 Remove from J16 J17 (Channel 2 for HP53131A/132A Channel 1 for HP 53181A) J16 (Channel 1 for HP53131A/132A) Figure 3-13. Rear Terminals (Option 060) Removal NOTE Options 050 and 124 (5.0 or 12.4 GHz Input) is front panel only.
Chapter 3 Replacing Assemblies To Remove the Rear Terminals (Option 060) 3 Loosen and remove the 2940-0256 BNC nuts (H3) that secure the coaxial cable(s) to the rear chassis, using the 14-mm deep-socket spin tight. 4 Pull W2 and washers (H6) out of the rear INPUTS opening(s). 5 Pull the connector-end of W1 and washer (H6) out of the rear INPUTS opening. 6 Plug opening (s) with MP9 (6960-0159) if you are not going to re-install Option 060.
Chapter 3 Replacing Assemblies 3 To Remove the Rear Terminals (Option 060) 3-24 Assembly-Level Service Guide
4 Retrofitting Options
Chapter 4 Retrofitting Options Introduction Introduction This chapter provides the following retrofit procedures: • To Retrofit A3 1.5/3.0/5.0/12.
Chapter 4 Retrofitting Options To Retrofit A3 1.5/3.0/5.0/12.4 GHz Channel Assembly (Option 015/030/050/124) To Retrofit A3 1.5/3.0/5.0/12.4 GHz Channel Assembly (Option 015/030/050/124) NOTE Retrofitting to Option 015 (1.5 GHz), Option 030 (3.0 GHz), Option 050 (5.0 GHz), and Option 124 (12.4 GHz) must be performed by technicians at an Agilent Technologies Service Center.
Chapter 4 Retrofitting Options To Retrofit A5 DC Power Input Assembly (Option 002) To Retrofit A5 DC Power Input Assembly (Option 002) Option 002 DC Power Input Assembly Parts Item Agilent Part No. Qty. • Chassis (MP10) 53131-00010 1 • A5 DC Power Input Assembly 53132-60206 1 • A4 AC Power Supply Assembly 53132-60207 1 • Rear label (MP11) 53131-80039 1 • TORX 10 screws (H2) 0515-0430 4 Option 002 can NOT be installed or combined with Option 060 Rear Terminals.
Chapter 4 Retrofitting Options To Retrofit A5 DC Power Input Assembly (Option 002) Retrofitting Procedure 1 Slide A1 Motherboard Assembly into the new chassis (MP10) as shown in Figure 4-1A. H3 H5 H1 H4 H1 H5 H1 MP10 A1 Motherboard Assembly 4 Figure 4-1A. DC Power Input Assembly Retrofitting 2 Insert but do not tighten the three TORX 15 screws (H1) that attach A1 Motherboard Assembly to the new chassis (MP10) as shown in Figure 4-1A.
Chapter 4 Retrofitting Options To Retrofit A5 DC Power Input Assembly (Option 002) 5 Now, re-install the front bezel by performing the front bezel removal procedure, in Chapter 3 of this guide, in reverse. Be sure to insert A2 Display Board’s cable into connector J6 on A1 Motherboard Assembly. 6 Tighten the three H1 screws, shown in Figure 4-1A, to secure the motherboard to the chassis. A4 AC Power Supply Assembly H1 H2 H2 4 J18 Figure 4-1B.
Chapter 4 Retrofitting Options To Retrofit A5 DC Power Input Assembly (Option 002) 7 To install the new A4 AC Power Supply Assembly (53132-60207), connect the ac power supply’s shorter cable to connector J18 on A1 Motherboard Assembly as shown in Figure 4-1B. 8 Insert and tighten the two TORX 10 screws (H2) to attach A4 Power Supply Assembly to the rear of the chassis as shown in Figure 4-1B. 9 Insert and tighten the TORX 15 screw (H1) into the upper-middle of the chassis as shown in Figure 4-1B.
Chapter 4 Retrofitting Options To Retrofit A5 DC Power Input Assembly (Option 002) 10 Install A5 DC Power Input Assembly (53132-60206) into the chassis by performing the following: a. First, connect the other ac power supply cable to the connector on A5 printed-circuit board as shown in Figure 4-1C. A5 DC Power Input Assembly (Option 002) H2 H2 4 H2 Figure 4-1C.
Chapter 4 Retrofitting Options To Retrofit A5 DC Power Input Assembly (Option 002) 11 b. Position A5 Power Input Assembly against the rear of the chassis and align it with the two appropriate holes in the rear of the chassis. c. Using the four TORX 10 screws (H2), secure A5 DC Power Input Assembly to the side of the chassis (MP10) as shown in Figure 4-1C.
Chapter 4 Retrofitting Options To Retrofit A5 DC Power Input Assembly (Option 002) 13 Note that you will have to assemble your own dc power cable using 18 AWG connecting wires and a three-pin Agilent E9640A XLR (female) connector plug, shown in Figure 4-1E. Cable wires connected to this end dc-supply ( ) 2 3 chassis ground ( ) 1 dc return (ground) ( ) 4 Figure 4-1E.
Chapter 4 Retrofitting Options To Retrofit A6 High Stability Timebase Assembly (Options 001, 010, and 012) To Retrofit A6 High Stability Timebase Assembly (Options 001, 010, and 012) Option 001 Medium Stability Timebase Assembly Parts Item Agilent Part No. Qty. • A6 Timebase Support Board 53132-60016 1 • Oven Oscillator 1813-0931 1 • TORX 10 screws (H2) 0515-0430 3 *Option 010 High Stability Timebase Assembly Parts Item Agilent Part No. Qty.
Chapter 4 Retrofitting Options To Retrofit A6 High Stability Timebase Assembly (Options 001, 010, and 012) Procedure 1 Turn off the Counter and remove power cord. 2 Remove the cover. See the section titled “To Remove the Cover” in Chapter 3 of this guide. 3 If you are retrofitting the Option 010 High Stability or Option 012 Ultra-High Stability assembly, go to step 4 below.
Chapter 4 Retrofitting Options To Retrofit A6 High Stability Timebase Assembly (Options 001, 010, and 012) 8 Connect A6 High Stability Timebase Assembly cable to connector J9 on A1 Motherboard Assembly as shown in Figure 4-2. H7 H7 A6 High Stability Timebase Assembly P1 J2 Jumper cap H2 H2 H2 4 Figure 4-2. High Stability Timebase Retrofitting (Option 001, 010, 012) 9 Re-install the cover by performing the cover removal procedure, in Chapter 3 of this guide, in reverse.
Chapter 4 Retrofitting Options To Retrofit the Rear Terminals (Option 060) To Retrofit the Rear Terminals (Option 060) Option 060 Rear Terminals Parts 1 Item Agilent Part No. Qty. • Coaxial cable assembly (W2) 8120-6150 2 • BNC washer (H6) 2190-0068 2 • BNC nut (H3) 2940-0256 2 Remove the cover. See the section titled “To Remove the Cover” in Chapter 3 of this guide.
Chapter 4 Retrofitting Options To Retrofit the Rear Terminals (Option 060) NOTE For the Agilent 53181A, the front and rear terminals can exist for Channel 1. However, Agilent 53181A’s optional Channel 2 input (Option 015/030) can be configured as rear terminals only or front terminals only. NOTE If there are upper or lower shields installed on A1 Motherboard Assembly, cut them out and replace the front bezel with the metallized version (53131-40001). Panel Plug (MP9) Figure 4-3A.
Chapter 4 Retrofitting Options To Retrofit the Rear Terminals (Option 060) H6 W1 from Option 015/030 W2 MP9 H6 MP9 To J17 To J16 4 J17 (Channel 2 for HP53131A/132A Channel 1 for HP 53181A) J16 (Channel 1 for HP53131A/132A) Figure 4-3B.
Chapter 4 Retrofitting Options To Retrofit the Rear Terminals (Option 060) 4 Insert the connector-end of the W1, with the washers (H6) in place on the connector, through the appropriate rear INPUTS opening. 5 Insert and tighten the BNC nuts (H3) to secure the coaxial cables to the rear of the chassis.
Chapter 4 Retrofitting Options 4 To Retrofit the Rear Terminals (Option 060) 4-18 Assembly-Level Service Guide
5 Replaceable Parts
Chapter 5 Replaceable Parts Introduction Introduction This chapter contains information for ordering parts. Table 5-1 lists the exchange assemblies. Table 5-2 lists reference designations used in the parts list and throughout the guide, and Table 5-3 lists all replaceable assemblies and parts for the Agilent 53131A/132A/181A Counter. Table 5-4 is a list of manufacturer’s code numbers given in the parts list (Table 5-3).
Chapter 5 Replaceable Parts Reference Designations Reference Designations Table 5-2 lists the reference designations used in the parts lists, block diagrams, and throughout the guide. Replaceable Parts Table 5-3 is a list of replaceable parts and is organized as follows: Electrical assemblies in alphanumerical order by reference designation. 1. Electrical assemblies in alphanumerical order by reference designation. 2. Chassis-mounted electrical parts in alphanumerical order by reference designation.
Chapter 5 Replaceable Parts How To Order A Part How To Order A Part Agilent Technologies wants to keep your parts ordering process as simple and efficient as possible. To order parts perform the following steps: 1 Identify the part and the quantity you want. 2 Determine the ordering method to be used and contact Agilent Technologies.
Chapter 5 Replaceable Parts How To Order A Part Contacting Agilent Technologies Depending on where you are in the world, there are one or more ways in which you can get parts or parts information from Agilent Technologies. • Outside the United States, contact your local Agilent Technologies sales office.
Chapter 5 Replaceable Parts Cabinet Parts and Hardware Cabinet Parts and Hardware To locate and identify miscellaneous cabinet and chassis parts and instrument hardware, refer to Figure 2-8A, Figure 2-8B, and Figure 5-1. These figures provide different views of the instrument, with the parts identified by reference designations; the reference designations correspond with the ones in Table 5-3. Table 5-2.
Chapter 5 Replaceable Parts Cabinet Parts and Hardware Table 5-3. Agilent 53131A/132A/181A Replaceable Parts Mfr Part Number EXCHANGE ELECTRONIC ASSEMBLIES MOTHERBOARD MOTHERBOARD (EXCHANGE RESTORED) MOTHERBOARD MOTHERBOARD (EXCHANGE RESTORED) 28480 28480 28480 28480 53131-60004 53131-69004 53132-60014 53132-69014 1 1 MOTHERBOARD MOTHERBOARD (EXCHANGE RESTORED) 28480 28480 53181-60004 53181-69004 5 3 1 1 1 1 OPTION 015, 1.
Chapter 5 Replaceable Parts Cabinet Parts and Hardware Table 5-3.
Chapter 5 Replaceable Parts Cabinet Parts and Hardware P/O MP2 MP7 A5 (Option 002) MP3 MP8 (MP11 for Option 002) A3 A4 A2 A6 (Option 001, 010, or 012) A1 MP1 (MP10 for Option 002) MP5 (HP 53181A only) MP4 5 P/O MP2 Figure 5-1.
Chapter 5 Replaceable Parts Cabinet Parts and Hardware Table 5-3. Agilent 53131A/132A/181A Replaceable Parts (Continued) Reference Designation Agilent Part Number C D Qty Description OPTION 060 W2 8120-6150 7 2 REAR TERMINALS CABLE-COAXIAL ASSY (Only one is needed for the Agilent 53131A) 28480 OPTION 060 8120-06150 H6 H3 2190-0068 2940-0256 3 4 2 2 WASHER-BNC NUT-BNC (Only one is needed for 53181A) 00000 00000 ORDER BY DESCRIPTION ORDER BY DESCRIPTION OPTION 124 Mfr Code 12.
6 Backdating Manual Changes
Chapter 6 Backdating Introduction 6 Introduction This chapter contains information necessary to adapt this guide to apply to older instruments. The backdating information includes the following: • Backdating Hardware page 6-3 • Backdating Firmware page 6-8 • Backdating Specifications page 6-16 Manual Changes This guide applies directly to Counters with the following serial prefixes listed in Table 6-1. Table 6-1.
Chapter 6 Backdating Backdating Hardware Backdating Hardware 6 CHANGE 1 (Below Series Prefix 3711A) Page 2-40, Table 2-1. Agilent 53131A Assembly Identification: Change A1 Motherboard part number from 53131-60004 to 53131-60001. Page 2-42, Table 2-1. Agilent 53181A Assembly Identification: Change A1 Motherboard part number from 53181-60004 to 53181-60001. Page 5-7, Table 5-3. Agilent 53131A/132A/181A Replaceable Parts: 53131A—Change A1 Motherboard part number from 53131-60004 to 53131-60001.
Chapter 6 Backdating Backdating Hardware CHANGE 3 (New TCXO boards) Page 2-47. Troubleshooting the Counter If the Counter under test contains Option 010 or 012 High Stability Timebase, perform the following: a. Disconnect the power supply’s two-wire cable from J2 of A6 High Stability Timebase Assembly as shown in Figure 2-10.
Chapter 6 Backdating Backdating Hardware b. Connect the negative lead of a voltmeter to the white wire connection (GND) on the connector of the two-wire cable, and connect the positive lead to the gray wire connection (−9V) as shown in Figure 2-10. 6 Verify a reading of −9.0 ± 0.45 V. Page 5-7, Table 5-3. Agilent 53131A/132A/181A Replaceable Parts: Change A6 Options 001, 010, and 012 Timebase Support Board from 5313260016 to 53132-60008.
Chapter 6 Backdating Backdating Hardware CHANGE 5 (Series 3705A to 3546A, 3548A) 6 Chassis color change only. :Page 5-7/Page 5-10, Table 5-3.
Chapter 6 Backdating Backdating Hardware CHANGE 7 (Below Serial Number 3349A01906) Page 5-7, Table 5-3. Replaceable Parts, under A1 (for the Agilent 53131A): Add 53131-00004; 9; 1; SHIELD UPPER; 28480; 53131-00004 1 Add 53131-00005; 0; 1; SHIELD LOWER; 28480; 53131-00005 1 Add 53131-00008; 3; 1; SHIELD CHASSIS; 28480; 53131-00008 1 Add 53131-00009; 4: 1; GROUND CONNECTION 28480; 53131-00009 6 1 Change A4 (Standard) Agilent Part Number from 0950-2496 to 0950-2139.
Chapter 6 Backdating Backdating Firmware Backdating Firmware 6 CHANGE 1 (Firmware Revisions 3317, 3335, 3402, 3427) (Note: firmware revision 3413 added the new security menu item and the new Calibration Menu to the Agilent 53131A Counter.) (Note: firmware revision 3427 was set up to work with the new FPGA [Xilinx 3042A]; and shortens TI delay from 1 ms to 100ms. This revision is backward compatible.
Chapter 6 Backdating About the Agilent 53131A Calibration Menu CHANGE 1 (Firmware Revisions 3317, 3335, 3402, 3427) (Continued) The Agilent 53131A Utility/Calibration Menu Tree Turn power off, press and hold Recall (Utility) key, then press POWER key to access this menu.
Chapter 6 Backdating The Agilent 53131A Calibration Procedures CHANGE 1 (Firmware Revisions 3317, 3335, 3402, 3427) (Continued) 6 The Agilent 53131A Calibration Procedures To Calibrate the Offset for Channels 1 and 2 1 To access the Utility menu, power down, and press and hold the Recall (Utility) key, then press POWER key. 2 Press Recall (Utility) key until CAL: OFFS 1 ? is displayed. 3 Press Enter key. The display will ask you to remove any signals connected to Channel 1. Follow the instruction.
Chapter 6 Backdating The Agilent 53131A Calibration Procedures CHANGE 1 (Firmware Revisions 3317, 3335, 3402, 3427) (Continued) To Calibrate the Gain for Channels 1 and 2 Press any one of the arrow keys until CAL: GAIN 1 ? is displayed. 2 Press Enter key. 6 1 A scrolling message is displayed. Follow the instruction by performing the following steps. 3 Connect a BNC tee connector to Channel 1 of the Counter. 4 Connect the Counter, dc power supply, and multimeter as shown in Figure 2-1.
Chapter 6 Backdating The Agilent 53131A Calibration Procedures CHANGE 1 (Firmware Revisions 3317, 3335, 3402, 3427) (Continued) To calibrate the gain for Channel 2, connect the input or the BNC Tee to Channel 2 of the Counter. 9 Press any one of the arrow keys until CAL: GAIN 2 ? is displayed. 6 8 10 Press Enter key. A scrolling message is displayed. (The +5V dc supply should already be connected to Channel 2 as you were previously instructed to do this in step 8.) 11 Press Enter key again.
Chapter 6 Backdating The Agilent 53131A Calibration Procedures CHANGE 1 (Firmware Revisions 3317, 3335, 3402, 3427) (Continued) Equipment HP53131A Counter 6 Agilent 8130A Pulse Generator (or equivalent) Agilent 10503A BNC Cable HP 8130A Pulse Generator Channel 1 Output Figure 2-3. TI Calibration Setup 4 Set the Agilent 8130A as follows: PERIOD: 100 ns WIDTH: 50 ns High: 0.50 VLow : −0.50 V Input Mode: Normal Any external timebase connected to the Counter is ignored during this calibration.
Chapter 6 Backdating The Agilent 53131A Calibration Procedures 6 Depending on which timebase the Counter contains, proceed to the following procedure “To Calibrate the Standard Timebase” or the “To Calibrate the High Stability Timebase Option (Medium or High)” procedure to calibrate the timebase. To Calibrate the Standard Timebase 1 Connect the output of a 10 MHz house standard to Channel 1 of the Counter as shown in Figure 2-4. HP 53131A Counter House Standard 10 MHz Reference Channel 1 Figure 2-4.
Chapter 6 Backdating The Agilent 53131A Calibration Procedures CHANGE 1 (Firmware Revisions 3317, 3335, 3402, 3427) (Continued) NOTE 6 To Calibrate the High Stability Timebase Option (Medium or High) Allow the Counter to warm up for approximately 30 minutes before performing this calibration. This calibration is unlikely to fail, unless the Counter is not warmed up. 1 Connect the output of a 10 MHz house standard to Channel 1 of the Counter as shown in Figure 2-4.
Chapter 6 Backdating Backdating Specifications 6 Backdating Specifications CHANGE 1 (53131A, Serial Prefix 3710A and Below) Page 7-3, External Arm Input Specifications: Change the Signal Input Range specification from: TTL Compatible to: High-Level Input: >3.0 V Low-Level Input: <1.5 V CHANGE 2 (53132A, Serial Prefix 3546A and Below) Page 7-3, External Arm Input Specifications: Change the Signal Input Range specification from: TTL Compatible to: High-Level Input: >3.0 V Low-Level Input: <1.
Chapter 6 Backdating Backdating Specifications CHANGE 3 (53181A, Serial Prefix 3711A02841 and Below) Page 8-3, External Arm Input Specifications: 6 Change the Signal Input Range specification from: TTL Compatible to: High-Level Input: >3.0 V Low-Level Input: <1.
Chapter 6 Backdating 6 Backdating Specifications 6-18 Assembly-Level Service Guide
7 Agilent 53131A/132A Specifications
Chapter 7 Agilent 53131A/132A Specifications Introduction Introduction The specifications of the Agilent 53131A/132A Universal Counter are provided in this chapter.
Chapter 7 Agilent 53131A/132A Specifications Instrument Inputs (Continued) Instrument Inputs (Continued) Channel 3 Input Specifications4, 5 Channel 3 Input Characteristics Frequency Range Option 030 100 MHz to 3 GHz Option 050 200MHz to 5 GHz Option 124 200 MHz to 12.4 GHz Power Range and Sensitivity (Sinusoid) Option 030 100 MHz to 2.7 GHz: –27 dBm to +19 dBm 2.7 GHz to 3 GHz: –21 dBm to +13 dBm Option 050 200MHz to 5 GHz: –23 dBm to +13 dBm Option 124 200 MHz to 12.
Chapter 7 Agilent 53131A/132A Specifications Time Base Time Base Internal Time Base Stability Standard (0° to 50° C) Temperature Stability: (referenced to 25°C) 7 Aging Rate (after 30 days) Per Day: Per Month: Per Year: High Stability Oven (Option 010) Ultra High Stability Oven (Option 012) < 5 x 10–6 < 2 x 10–7 < 2.5 x 10–9 < 2.5 x 10–9 < 3 x 10–7 < 4 x 10–8 < 2 x 10–7 < 5 x 10–10 < 1.5 x 10–8 < 1 x 10–10 < 3 x 10–9 < 2 x 10–8 Turn-on stability vs.
Chapter 7 Agilent 53131A/132A Specifications Measurement Specifications Measurement Specifications Frequency, Period Channel 1 and 2 Range: 0.1 Hz to 225 MHz 4.44 ns to 10 s Channel 3 Range: Option 030 100 MHz to 3 GHz 0.33 ns to 10 ns Option 050 200 MHz to 5 GHz 0.2 ns to 5 ns Option 124 200 MHz to 12.
Chapter 7 Agilent 53131A/132A Specifications Measurement Specifications (Continued) Measurement Specifications (Continued) Agilent 53131A—Worst Case RMS Resolution Automatic or External Arming: 1E+02 Auto Armed 1ms 7 Frequency Error (Hz) 1E+00 10ms 100ms 1E-2 1s 1E-4 10s 1E-6 Gate Time 1E-8 1E-10 10 100 1000 10000 100000 1000000 1E+07 1E+08 1E+09 1E+10 Input Frequency (Hz) Time or Digit Arming: 1E+02 Frequency Error (Hz) 1E+00 1ms 1E-2 10ms 100ms 1E-4 1s 1E-6 10s 1E-8 1E-10 10 Gate T
Chapter 7 Agilent 53131A/132A Specifications Measurement Specifications (Continued) Measurement Specifications (Continued) Agilent 53132A—Worst Case RMS Resolution Automatic or External Arming: 1E+00 1ms Auto Armed 10ms 1E-2 100ms 1s 1E-4 7 Frequency Error (Hz) 1E+02 10s 1E-6 Gate Time 1E-8 1E-10 10 100 10000 1000 100000 1000000 1E+07 1E+08 1E+09 1E+10 1E+07 1E+08 1E+09 1E+10 Input Frequency (Hz) Time or Digit Arming: Frequency Error (Hz) 1E+02 1E+00 1ms 1E-2 10ms 1E-4 100ms 1E-
Chapter 7 Agilent 53131A/132A Specifications Measurement Specifications (Continued) Measurement Specifications (Continued) Frequency Measurement Example: Given an Agilent 53132A with a High Stability Oven that was calibrated 3 days ago, measure a 15 MHz square wave signal (which has negligible trigger error) with a 1 second gate time. Compute the measurement error to within 2-sigma confidence.
Chapter 7 Agilent 53131A/132A Specifications Measurement Specifications (Continued) Measurement Specifications (Continued) Time Interval Measurement is specified over the full signal ranges 7 of Channels 1 and 2.
Chapter 7 Agilent 53131A/132A Specifications Measurement Specifications (Continued) Measurement Specifications (Continued) Pulse Width Measurement is specified over the full signal range of Channel 1. The width of the opposing pulse must be greater than 4 ns (e.g., when measuring the positive pulse width, the negative pulse width must be greater than 4 ns).
Chapter 7 Agilent 53131A/132A Specifications Measurement Specifications (Continued) Measurement Specifications (Continued) Duty Cycle Measurement is specified over the full signal range of Channel 1. However, both the positive and negative pulse widths must be greater than 4 ns. Results Range: 0 to 1 (e.g. 50% duty cycle would be displayed as .
Chapter 7 Agilent 53131A/132A Specifications Measurement Definitions Measurement Definitions Definitions of Systematic Uncertainty Terms • Trigger Error External source and input amplifier noise may advance or delay the trigger points that define the beginning and end of a measurement. The resulting timing uncertainty is a function of the slew rate of the signal and the amplitude of spurious noise spikes (relative to the input hysteresis band).
Chapter 7 Agilent 53131A/132A Specifications Measurement Definitions (Continued) Measurement Definitions (Continued) • Fractional Time Base Error Time base error is the maximum fractional frequency variation of the time base due to aging or fluctuations in ambient temperature or line voltage: ∆f Time Base Error = ---- f aging rate ∆f + ----f temperature ∆f + ----f line voltage Multiply this quantity by the measurement result to yield the absolute error for that measurement.
Chapter 7 Agilent 53131A/132A Specifications Measurement Arming and Processing Measurement Arming and Processing Gate Time Measurement Throughput Auto Mode, or 1 ms to 1000 s GPIB ASCII: 200 Measurements/s (maximum) (See examples in the Programming Guide for ways to optimize measurement throughput) 7 Measurement Arming Start Measurement: Free Run, Manual, or External Stop Measurement: Continuous, Single, External, or Timed Arming Modes: (Note that not all arming modes are available for every measureme
Chapter 7 Agilent 53131A/132A Specifications Measurement Arming and Processing (Continued) Measurement Arming and Processing (Continued) Measurement Statistics Available Statistics: Mean, Minimum, Maximum, Standard Deviation Number of Measurements: 2 to 1,000,000. Statistics may be collected on all measurements or on only those which are between the limit bands. When the Limits function is used in conjunction with Statistics, N (number of measurements) refers to the number of in-limit measurements.
Chapter 7 Agilent 53131A/132A Specifications General Information General Information Save and Recall: Up to 20 complete instrument setups may be saved and recalled later. These setups are retained when power is removed from the universal counter. 88.5 mm x 212.6 mm x 348.3 mm 3.
8 Agilent 53181A Specifications
Chapter 8 Agilent 53181A Specifications Introduction Introduction The specifications of the Agilent 53181A Frequency Counter are provided in this chapter.
Chapter 8 Agilent 53181A Specifications Instrument Inputs (Continued) Instrument Inputs (Continued) Channel 2 Input Specifications3, 4 Frequency Range Opt. 015 Opt. 030 Opt. 050 Opt. 124 Channel 2 Input Characteristics Impedance: Coupling: VSWR: 100 Mhz to 1.5 Ghz 100 MHz to 3 GHz 200MHz to 5 GHz 200 MHz to 12.4 GHz 50 Ω AC < 2.5:1 Power Range and Sensitivity (Sinusoid) Option 015 100 MHz to 1.5 GHz: –27 dBm to +19 dBm Option 030 100 MHz to 2.7 GHz: –27 dBm to +19 dBm 2.
Chapter 8 Agilent 53181A Specifications Time Base Time Base Internal Time Base Stability Standard (0° to 50° C) Temperature Stability: (referenced to 25°C) Aging Rate (after 30 days) Per Day: Per Month: Per Year: High Stability Oven (Option 010) Ultra High Stability Oven (Option 012) < 5 x 10–6 < 2 x 10–7 < 2.5 x 10–9 < 2.5 x 10–9 –7 < 4 x 10–8 < 2 x 10–7 < 5 x 10–10 < 1.5 x 10–8 < 1 x 10–10 < 3 x 10–9 < 2 x 10–8 < 3 x 10 Turn-on stability vs.
Chapter 8 Agilent 53181A Specifications Measurement Specifications Measurement Specifications Frequency, Period Channel 1 Range: 0.1 Hz to 225 MHz 4.44 ns to 10 s Channel 2 Range: Option 015 100 Mhz to 1.5 Ghz Option 030 100 MHz to 3 GHz Option 050 200 MHz to 5 GHz Option 124 200 MHz to 12.4 GHz (Period 2 selectable only via the GPIB interface) 0.67 ns to 10 ns 0.33 ns to 10 ns 0.
Chapter 8 Agilent 53181A Specifications Measurement Specifications (Continued) Measurement Specifications (Continued) Worst Case RMS Resolution Automatic or External Arming: 1E+02 Auto Armed 1ms Frequency Error (Hz) 1E+00 10ms 100ms 1E-2 1s 1E-4 10s 1E-6 Gate Time 1E-8 1E-10 10 100 1000 10000 100000 1000000 1E+07 1E+08 1E+09 1E+10 Input Frequency (Hz) 8 Time or Digit Arming: 1E+02 Frequency Error (Hz) 1E+00 1ms 1E-2 10ms 100ms 1E-4 1s 1E-6 10s 1E-8 Gate Time 1E-10 10 100 1000 10000 1
Chapter 8 Agilent 53181A Specifications Measurement Specifications (Continued) Measurement Specifications (Continued) Frequency Measurement Example: Given an Agilent 53181A with a High Stability Oven that was calibrated 3 days ago, measure a 15 MHz square wave signal (which has negligible trigger error) with a 1 second gate time. Compute the measurement error to within 2-sigma confidence.
Chapter 8 Agilent 53181A Specifications Measurement Specifications (Continued) Measurement Specifications (Continued) Frequency Ratio:h1 ⁄ Ch2 ⁄ Ch2 Ch Measurement is specified over the full signal range of each input.
Chapter 8 Agilent 53181A Specifications Measurement Definitions Measurement Definitions Definitions of Systematic Uncertainty Terms • Trigger Error External source and input amplifier noise may advance or delay the trigger points that define the beginning and end of a measurement. The resulting timing uncertainty is a function of the slew rate of the signal and the amplitude of spurious noise spikes (relative to the input hysteresis band).
Chapter 8 Agilent 53181A Specifications Measurement Arming and Processing Measurement Arming and Processing Gate Time Measurement Throughput Auto Mode, or 1 ms to 1000 s GPIB ASCII: 200 Measurements/s (maximum) (See examples in the Programming Guide for ways to optimize measurement throughput) Measurement Arming 8 Start Measurement: Free Run, Manual, or External Stop Measurement: Continuous, Single, External, or Timed Arming Modes: (Note: auto arming is the only mode available for the Peak Volts func
Chapter 8 Agilent 53181A Specifications General Information General Information Save and Recall: Up to 20 complete instrument setups may be saved and recalled later. These setups are retained when power is removed from the counter. 88.5 mm x 212.6 mm x 348.3 mm 3.
Chapter 8 Agilent 53181A Specifications 8 General Information 8-12 Assembly-Level Service Guide
Index NUMERICS 1.5/3.0/5.0/12.
Index cover , 3-4 display board, 3-11 front bezel, 3-6 keypads, 3-11 motherboard , 3-9 Rear Terminals (Option 060) , 3-21 window , 3-11 disk Agilent 53131A/132A, 1-40 Agilent 53181A , 1-70 disks program , 1-3 display board, 3-11 E Electrostatic discharge, 2-38 entering a new security code, 2-30 equipment required , 1-4 example procedure for running the self test, 2-49 exchange assemblies , 2-40, 2-41, 2-42, 5-2 exploded view , 5-9 Express Repair/Performance Calibration Service , xiii external arming , 8-1
Index N new security code entry, 2-13 O older instruments , 6-2 operational verification, 1-2, 1-5 Option 001, 4-11 Option 002, 4-4 Option 010, 4-11 Option 012, 4-11 Option 015, 4-3 Option 030, 4-3 Option 050, 4-3 Option 060, 4-14 options , xviii hardware , xviii support, xix ordering parts , 5-4 organization of guide, xiv P Packing the instrument, 2-4 Part numbers, 5-2 parts identification, 5-4 parts, chassis, 5-9 parts, ordering , 5-4 performance test record Agilent 53131A/132A, 1-41 Agilent 53181A , 1
Index security status , 2-9, 2-28 self-test routines, 2-47 serial number, 2-3, 5-4 Serial number prefix, xiv serial prefix, xiv Service manual organization, xiv specifications, 7-2, 8-2 Agilent 53131A/132A, 7-2 Agilent 53181A , 8-2 dimensions, 7-16 frequency range , 7-2, 8-2 measurement throughput, 7-14 power supply voltage, 7-16, 8-11 RS-232C connector pin assignments , 7-16 time base stability, 7-4, 8-4 voltage range and sensitivity, 7-2 Surface Mount repair, 2-38 V Visual inspection, 2-39 W window, 3-
