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Chapter 1 Performance Tests
Test 2: Channel 1 Frequency Sensitivity (HP 53181A Only)
1-54 Assembly-Level Service Guide
1
100 MHz to 200 MHz Sensitivity for HP 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.
The Counter should read frequencies from 100 MHz to 200 MHz when the
input signal level is
≤ −
17.5 dBm (30 mVrms).
4 Record the actual reading in the Performance Test Record
(Test 2, Line 2).
200 MHz to 225 MHz Sensitivity for HP 53181A
1 Change the signal generator settings to 200 MHz at
−
30 dBm.
2 Increase the power level by 0.1 dB steps until the Counter
displays a stable 200 MHz reading.
The Counter should read 200 MHz when the input signal level is
≤ −
15.0 dBm (40 mVrms).
3 Sweep the signal generator frequency from 200 MHz to 225 MHz.
The Counter should read frequencies from 200 MHz to 225 MHz when the
input signal level is
≤ −
15.0 dBm (40 mVrms).
4 Record the actual reading in the Performance Test Record
(Test 2, Line 3).
5 Disconnect the test setup.