Keysight Technologies N9040B UXA Signal Analyzer Service Guide 201
Analog/Digital IF Troubleshooting
A3 Digital IF Troubleshooting
10.Referring to Figure 6-7, carefully disconnect W42 cable at A3J19.
Figure 6-7 A3 Digital IF Cables
11.Connect the W42 cable to the MMCX female to SMA female connector.
Use an appropriate cable to go from the SMA connector to the RF input of
a functioning spectrum analyzer to verify the 22.5 MHz I.F. signal
frequency and amplitude is correct.
12.Press Freq, 22.5 MHz Span, 1 MHz, Peak Search on the functioning
spectrum analyzer.
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