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Chapter 1 Performance Tests
Test 2: Channel 1 Frequency Sensitivity (HP 53181A Only)
Assembly-Level Service Guide 1-53
1
4 Sweep the frequency from 100 kHz to 100 MHz. For Option 060,
sweep frequencies from 100 kHz to 225 MHz.
The Counter should read frequencies from 100 kHz to 100 MHz at an
input power level of
≤ −
21.0 dBm (20 mVrms). Option 060 Counters should
read frequencies from 100 kHz to 225 MHz at
≤ −
9.5 dBm (75 mVrms).
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.
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.
NOTE
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 1-55.