Keysight Technologies N9030B Service Manual page 234

Analog/Digital IF Troubleshooting
A2 Analog IF Troubleshooting
10.Press Freq, 22.5 MHz, Span, 1 MHz, Peak Search on the functioning
11.The analyzer marker should read 22.5 MHz at −25 dBm ± 4 dB as shown in
Figure 7-4 A2 Analog IF Output
12.If the 22.5 MHz signal is not measuring the correct power level, do not
13.If the 22.5 MHz signal is within tolerance, carefully reconnect the W42
You should hear a distinct snap when reconnecting the W42 cable. If this
cable is not installed properly, intermittent signal fluctuations may occur
on the analyzer display.
234
spectrum analyzer.
Figure 7-4.
assume the Analog IF is the most probable cause until the 3rd LO
frequency and power level have been verified below.
cable to A3J19.
N9030B PXA Signal Analyzer Service Guide