Keysight N9010A EXA Service Guide 197
RF Section Troubleshooting (RF/Microwave Analyzers)
Troubleshooting
IMPORTANT Turn off auto align by pressing System, Alignments, Auto Align, Off.
Measure the 4.8 GHz calibrator signal on the output of A11J3 Low Band
Switch high band output port using a functioning Spectrum Analyzer. The level
should be −46 dBm ± 3 dB as shown in Figure 4-34. There is ~8 dB of loss
through the A11 Low Band Switch when using the 4.8 GHz reference signal.
Figure 4-34 4.8 GHz Calibrator Signal at Output of W8 Cable