Instruction manual

Chapter 1 Performance Tests
Test 3: Channels 1 and 2 Frequency Sensitivity (Agilent 53131A/132A
Only)
1-24 Assembly-Level Service Guide
1
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). Counters with Option 060 should display 100 MHz when the signal
generator level is ≤ −9.5 dBm (75 mVrms).
5 Sweep the frequency from 100 MHz to 100 kHz. For Option 060, sweep
frequencies from 225 MHz to 100 kHz.
The Counter should read frequencies from 100 MHz to 100 kHz at an input power
level of ≤ −21.0 dBm (20 mVrms). Counters with Option 060 should read
frequencies from 225 MHz to 100 kHz at ≤−9.5dBm (75mVrms).
6 Record the actual reading in the appropriate place in the Performance Test
Record (Test 3, 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.
If you are testing a Counter with rear terminals (Option 060), record the reading on
Line 1 of the Option 060 portion of the test record.
NOTE DO NOT test the front terminals if rear terminals are installed. The front terminal
performance is not specified when the rear terminals are installed.
7 Connect the Agilent 8663A to Channel 2 of the Counter.
8 On the Counter, press Freq & Ratio key until FREQUENCY 2 is displayed.
9 Repeat steps 2 through 5 for Channel 2.
10 Record the actual reading in the appropriate place in the Performance Test
Record (Test 3, Line 2).