Keysight NFA Series Noise Figure Analyzers Service Guide 149
RF Section Troubleshooting (N8973B, 74B, 75B Analyzers)
Troubleshooting
Connect the functioning Spectrum Analyzer and appropriate high frequency
cable and connector to A14J740. Adjust the functioning Spectrum Analyzer to
measure a signal at 6122.5 MHz at +16 dBm ± 4dB as seen in Figure 4-8.
Figure 4-8 Measure 1st L.O.
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