RIGOL Performance Verification Guide DS2000 Series Digital Oscilloscope Feb. 2014 RIGOL Technologies, Inc.
RIGOL Guaranty and Declaration Copyright © 2012 RIGOL Technologies, Inc. All Rights Reserved. Trademark Information RIGOL is a registered trademark of RIGOL Technologies, Inc. Publication Number PVA13103-1110 Notices RIGOL products are protected by patent law in and outside of P.R.C. RIGOL reserves the right to modify or change parts of or all the specifications and pricing policies at company’s sole decision. Information in this publication replaces all previously corresponding material.
RIGOL General Safety Summary Please review the following safety precautions carefully before putting the instrument into operation so as to avoid any personal injuries or damages to the instrument and any product connected to it. To prevent potential hazards, please use the instrument only specified by this manual. Use Proper Power Cord. Only the power cord designed for the instrument and authorized by local country could be used. Ground The Instrument.
RIGOL Inadequate ventilation may cause increasing of temperature or damages to the device. So please keep well ventilated and inspect the intake and fan regularly. Do Not Operate in Wet Conditions. In order to avoid short circuiting to the interior of the device or electric shock, please do not operate in a humid environment. Do Not Operate in an Explosive Atmosphere. In order to avoid damages to the device or personal injuries, it is important to operate the device away from an explosive atmosphere.
RIGOL Safety Terms and Symbols Terms on the Product. These terms may appear on the Product: DANGER indicates an injury or hazard may immediately happen. WARNING indicates an injury or hazard may be accessible potentially. CAUTION indicates a potential damage to the instrument or other property might occur. Symbols on the Product.
RIGOL Contents Guaranty and Declaration .................................................................................................... I General Safety Summary ................................................................................................... II Safety Terms and Symbols................................................................................................. IV Document Overview ...................................................................................................
RIGOL Document Overview This manual guides users to correctly test the performance of RIGOL DS2000 series digital oscilloscope. Main topics in this manual: Chapter 1 Overview This chapter introduces the preparations and precautions of the performance verification test. Chapter 2 Performance Verification Test This chapter introduces the limit, test devices required as well as test method and procedures of each performance.
RIGOL Chapter 1 Overview Chapter 1 Overview Test Preparations The following preparations should be done before the test: 1. 2. 3. Self-test: perform self-test to make sure that the oscilloscope can work normally; Warm-up: warm the oscilloscope up for at least 30 minutes; Self-calibration: calibrate the oscilloscope. Self-test When the oscilloscope is in power-on state, press the power key at the lower left corner of the front panel to start the oscilloscope.
RIGOL Chapter 1 Overview 3. The self-calibration takes about 5 minutes. “Calibration finished, please restart the oscilloscope!” will be displayed when the self-calibration finishes and at this point, please restart the oscilloscope. 4. Press Acquire Acquisition and use to select “Average”. Then, press Averages and use to set the number of averages to 16. POSITION knob of each channel respectively to set the vertical 5. Press down the VERTICAL positions of the two channels to zero.
RIGOL Chapter 2 Performance Verification Test Chapter 2 Performance Verification Test This chapter introduces the performance verification test method and procedures of DS2000 series digital oscilloscope by taking DS2202 as an example. You can perform the following tests in any order. In this manual, the test device used is Fluke 9500B. You can also use other devices that fulfill the specification requirements for the test.
RIGOL Chapter 2 Performance Verification Test Impedance Test Specification: Input Impedance 0.99 MΩ to 1.01 MΩ Test Devices: Fluke 9500B or Digital Multimeter and BNC (male) to Dual-banana Plug Cable. In this manual, the test device is Fluke 9500B. Test Procedures: 1. Impedance test of CH1 and CH2 1) Connect the active head of Fluke 9500B to CH1 of the oscilloscope, as shown in figure below. 2) 3) 4) 5) 2.
Chapter 2 Performance Verification Test RIGOL DC Gain Accuracy Test Specification: DC Gain Accuracy ≤2%×Full Scale Explanation: Full Scale = 8 div×vertical scale. Relative error of each scale: |(Vavg1–Vavg2)–(Vout1-Vout2)|/Full Scale×100%≤2%; otherwise, the test fails. For example, when the vertical scale is 1 V/div, input DC signals with +3 VDC and -3 VDC voltages respectively, the values of Vavg1 and Vavg2 are +3.06 V and -3.04 V respectively, the relative error is |(+3.06 V-(-3.
RIGOL Chapter 2 Performance Verification Test d) Calculate the relative error of each scale. 10) Turn CH1 off. Repeat the above test steps to test CH2 and record the test results.
Chapter 2 Performance Verification Test RIGOL Bandwidth Test Specification: Amplitude Loss -3 dB to 1 dB Explanation: Amplitude loss (dB) = 20×lg(Vrms2/Vrms1). Test device: Fluke 9500B Test Procedures: 1) Connect the active head of Fluke 9500B to CH1 of the oscilloscope, as shown in figure below. 2) 3) 4) 5) 6) 7) 8) 9) 10) 11) 12) 13) Enable the Fluke 9500B and set the output impedance to 1 MΩ.
RIGOL Chapter 2 Performance Verification Test 1.2 Vpp/3 Vpp amplitude from Fluke 9500B respectively. 14) Repeat steps 7), 8) and 9). 15) Turn CH1 off. Test CH2 according to the above test steps and record the test results.
RIGOL Chapter 2 Performance Verification Test Bandwidth Limit Test Bandwidth limit test verifies the 20 MHz bandwidth limit and 100 MHz bandwidth limit functions respectively. The bandwidth limits available for oscilloscopes with different bandwidths are different.
RIGOL Chapter 2 Performance Verification Test 20MHz Bandwidth Limit Test Specification: Amplitude Loss -3 dB to 1 dB Explanation: Amplitude Loss (dB) = 20×lg(Vrmsn/Vrms1). Wherein, Vrmsn represents Vrms2 and Vrms3. Test Device: Fluke 9500B Test Procedures: 1) Connect the active head of Fluke 9500B to CH1 of the oscilloscope, as shown in the figure below. 2) 3) 4) 5) 6) 7) 8) 9) 10) 11) 12) 13) 2-8 Set the output impedance of Fluke 9500B to 1 MΩ.
Chapter 2 Performance Verification Test RIGOL 14) Calculate the amplitude loss and compare it to the specification: Amplitude Loss (dB) = 20×lg(Vrms3/Vrms1). Amplitude loss should be lower than -3 dB at this point. 15) Keep other settings of the oscilloscope unchanged and set the vertical scale to 200 mV/div. 16) Output a sine waveform with 1 MHz frequency and 1.2 Vpp amplitude from Fluke 9500B. 17) Repeat step 6). 18) Output a sine waveform with 20 MHz frequency and 1.2 Vpp amplitude from Fluke 9500B.
RIGOL Chapter 2 Performance Verification Test Test Record Form: Channel Vertical Scale Test Result Limit Pass/ Fail Vrms1 -- Vrms2 100 mV/div Vrms3 Amplitude Loss[1] (dB) = 20×lg(Vrms2/Vrms1) ≥ -3 dB and ≤ 1 dB Amplitude Loss[1] (dB) = 20×lg(Vrms3/Vrms1) ≤ 3 dB Vrms1 Vrms2 CH1 200 mV/div -- Vrms3 Amplitude Loss[1] (dB) = 20×lg(Vrms2/Vrms1) ≥ -3 dB and ≤ 1 dB Amplitude Loss[1] (dB) = 20×lg(Vrms3/Vrms1) ≤ 3 dB Vrms1 Vrms2 500 mV/div -- Vrms3 Amplitude Loss[1] (dB) = 20×lg(Vrms2/Vrms1) ≥
Chapter 2 Performance Verification Test RIGOL 100MHz Bandwidth Limit Test (only for DS2202) Specification: Amplitude Loss -3 dB to 1 dB Explanation: Amplitude Loss (dB) = 20×lg(Vrmsn/Vrms1). Wherein, Vrmsn represents Vrms2 and Vrms3. Test Device: Fluke 9500B Test Procedures: 1) Connect the active head of Fluke 9500B to CH1 of the oscilloscope, as shown in the figure below. 2) 3) Set the output impedance of Fluke 9500B to 1 MΩ.
RIGOL Chapter 2 Performance Verification Test 13) Press MENU Vrms at the left of the screen to enable the root mean square measurement function of the oscilloscope. Read and record Vrms3. 14) Calculate the amplitude loss and compare it to the specification: Amplitude Loss (dB) = 20×lg(Vrms3/Vrms1). Amplitude loss should be lower than -3 dB at this point. 15) Keep other settings of the oscilloscope unchanged and set the vertical scale to 200 mV/div. 16) Output a sine waveform with 1 MHz frequency and 1.
RIGOL Chapter 2 Performance Verification Test Test Record Form: Channel Vertical Scale Test Result Limit Pass/ Fail Vrms1 -- Vrms2 100 mV/div Vrms3 Amplitude Loss[1] (dB) = 20×lg(Vrms2/Vrms1) ≥ -3 dB and ≤ 1 dB Amplitude Loss[1] (dB) = 20×lg(Vrms3/Vrms1) ≤ 3 dB Vrms1 Vrms2 CH1 200 mV/div -- Vrms3 Amplitude Loss[1] (dB) = 20×lg(Vrms2/Vrms1) ≥ -3 dB and ≤ 1 dB Amplitude Loss[1] (dB) = 20×lg(Vrms3/Vrms1) ≤ 3 dB Vrms1 Vrms2 500 mV/div -- Vrms3 Amplitude Loss[1] (dB) = 20×lg(Vrms2/Vrms1) ≥
RIGOL Chapter 2 Performance Verification Test Time Base Accuracy Test Specification: Time Base Accuracy [1] ≤ ±(25 ppm + 5 ppm/year×completed years of service[2]) Note[1]: typical value. Note[2]: for the completed years of service of the instrument, calculate it according to the date in the verification certificate provided when the instrument left the factory. Test Devices: Fluke 9500B Test Procedures: 1) Connect the active head of Fluke 9500B to CH1 of the oscilloscope, as shown in the figure below.
Chapter 2 Performance Verification Test RIGOL Zero Point Offset Test Zero point offset is defined as the offset of the crossing point of the waveform and the trigger level relative to the trigger position as shown in the figure below. Specification: Zero Point Offset 500 ps Test Devices: Fluke 9500B Test Procedures: 1) Connect the active head of Fluke 9500B to CH1 of the oscilloscope, as shown in the figure below.
RIGOL 5) 6) 7) Chapter 2 Performance Verification Test Keep other settings unchanged and adjust the amplitude of the fast edge signal to 3 V. Set the vertical scale to 500 mV/div. Measure the zero point offset according to the above method and record the test result. Turn CH1 off. Repeat the above test steps to measure CH2 and record the test results.
RIGOL Appendix Test Record Form Appendix Test Record Form RIGOL DS2000 Series Digital Oscilloscope Performance Verification Test Record Form Model: Tested by: Test Date: Impedance Test: Channel CH1 CH2 EXT TRIG Vertical Scale Test Result Limit Pass/Fail 100 mV/div 500 mV/div 100 mV/div ≥ 0.99 MΩ and ≤ 1.
RIGOL Appendix Test Record Form DC Gain Accuracy Test: Channel Vertical Scale Test Result Vavg1 Vavg2 Calculation Result[1] Limit Pass/Fail 500 μV/div 1 mV/div 2 mV/div 5 mV/div 10 mV/div 20 mV/div CH1 50 mV/div 100 mV/div 200 mV/div 500 mV/div 1 V/div 2 V/div 5 V/div 10 V/div 500 μV/div ≤ 2% 1 mV/div 2 mV/div 5 mV/div 10 mV/div 20 mV/div CH2 50 mV/div 100 mV/div 200 mV/div 500 mV/div 1 V/div 2 V/div 5 V/div 10 V/div [1] Note : the calculation formula is |(Vavg1–Vavg2)–(Vout1-Vout2)|/Full Sc
RIGOL Appendix Test Record Form Bandwidth Test: Channel Vertical Scale Test Result Limit Pass/Fail Vrms1 100 mV/div Vrms2 Amplitude Loss[1] Vrms1 CH1 200 mV/div Vrms2 Amplitude Loss Vrms1 500 mV/div Vrms2 Amplitude Loss Vrms1 100 mV/div ≥ -3 dB and ≤ 1 dB Vrms2 Amplitude Loss Vrms1 CH2 200 mV/div Vrms2 Amplitude Loss Vrms1 500 mV/div Vrms2 Amplitude Loss [1] Note (Vrms2/Vrms1) : amplitude loss (dB) = 20×lg DS2000 Performance Verification Guide .
RIGOL Appendix Test Record Form 20 MHz Bandwidth Limit Test: Channel Vertical Test Result Scale Limit Pass/F ail Vrms1 Vrms2 100 mV/div -- Vrms3 Amplitude Loss [1] (dB) = 20×lg(Vrms2/Vrms1) Amplitude Loss [1] (Vrms3/Vrms1) (dB) = 20×lg ≥ -3 dB and ≤ 1 dB ≤ 3 dB Vrms1 CH1 Vrms2 200 mV/div -- Vrms3 Amplitude Loss [1] (dB) = 20×lg(Vrms2/Vrms1) Amplitude Loss [1] (Vrms3/Vrms1) (dB) = 20×lg ≥ -3 dB and ≤ 1 dB ≤3 dB Vrms1 mV/div -- Vrms2 500 Vrms3 Amplitude Loss [1] (dB) = 20
RIGOL Appendix Test Record Form 100 MHz Bandwidth Limit Test (only for DS2202): Channel Vertical Test Result Scale Pass/F Limit ail Vrms1 Vrms2 100 mV/div -- Vrms3 Amplitude Loss [1] (dB) = 20×lg(Vrms2/Vrms1) Amplitude Loss [1] (Vrms3/Vrms1) ≥ -3 dB and ≤ 1 dB (dB) = 20×lg ≤ 3 dB Vrms1 CH1 Vrms2 200 mV/div -- Vrms3 Amplitude Loss [1] (dB) = 20×lg(Vrms2/Vrms1) Amplitude Loss [1] (Vrms3/Vrms1) ≥ -3 dB and ≤ 1 dB (dB) = 20×lg ≤3 dB Vrms1 mV/div -- Vrms2 500 Vrms3 Amplitud
RIGOL Appendix Test Record Form Zero Point Offset Test: Channel CH1 CH2 6 Fast Edge Signal Amplitude Vertical Scale 600 mV 100 mV/div 3V 500 mV/div 600 mV 100 mV/div 3V 500 mV/div Test Result Limit Pass/Fail ≤ 500 ps DS2000 Performance Verification Guide
