176 Keysight NFA Series Noise Figure Analyzers Service Guide
RF Section Troubleshooting (N8973B, 74B, 75B Analyzers)
Troubleshooting
Connect the functioning Spectrum Analyzer and appropriate high frequency
cable and connector to A14J740. Adjust the analyzer to measure a signal at
5322.5 MHz at +16 dBm ± 4 dB as shown in Figure 4-25.
Figure 4-25 Measure 1st L.O.
If this power level is incorrect remove W6 at A14J200. Refer to Figure 4-24.
Connect the functioning spectrum analyzer to the cable output using the
appropriate high-frequency cable.
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