Operation 4
Keysight 85024A User’s and Service Guide 35
7 Remove the through cable. Connect the probe adapter to the output port of
the analyzer. Connect the output of the probe to the input port of the analyzer.
Connect the probe power cable to a power source.
8 Plug the probe tip into the adapter.
9 The trace of the analyzer should be within ±5 dB of 0 dB.
Operator’s check using a spectrum analyzer
Required equipment
Procedure
1 Connect the spectrum analyzer’s calibration output directly to its RF input.
Turn on the spectrum analyzer.
2 Set the spectrum analyzer center frequency to the frequency of the calibration
output.
3 Set the frequency span to 10 MHz and activate a marker.
4 Place the marker on the peak of the displayed signal and note the value in
dBm.
5 Connect the probe adapter to the calibration output.
6 Connect the probe output to the RF input on the analyzer.
7 Connect the probe power cable to a power source.
8 Plug the probe tip into the probe adapter.
9 Place the marker on the peak of the displayed signal and compare the signal
level in dBm to that measured in step 4. The probe should not cause more than
5 dBm of signal loss.
Item Part number
Spectrum analyzer Any compatible
Adapters As necessary
Probe adapters 11880-60001
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