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Chapter 1 Performance Tests
Test 3: Channels 1 and 2 Frequency Sensitivity (HP 53131A/132A Only)
1-26 Assembly-Level Service Guide
1
8 Repeat steps 1 through 4 for Channel 1.
9 Record the actual reading in the Performance Test Record
(Test 3, Line 4).
200 MHz to 225 MHz Sensitivity for HP 53131A/132A
1 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.
The Counter should read 225 MHz when the input signal level is
≤ −
15.0 dBm (40 mVrms).
4 Sweep the signal generator frequency from 225 MHz to 200 MHz.
The Counter should read frequencies from 225 MHz to 200 MHz when the
input signal level is
≤ −
15.0 dBm (40 mVrms).
5 Record the actual reading in the Performance Test Record
(Test 3, Line 5).
6 Connect the signal generator to Channel 2.
7 On the Counter, press Freq & Ratio key until
Frequency 2
is
displayed.
8 Repeat steps 1 through 4 for Channel 2.
9 Record the actual reading in the Performance Test Record
(Test 3, Line 6).
10 Disconnect the test setup.