Keysight Technologies X Series Service Manual page 309

L.O. Synthesizer/Reference Troubleshooting
A14 L.O. Synthesizer Troubleshooting
— Verify the 4800 MHz input signal from the A16 Reference Assembly is stable
— Reconnect the W6 cable to A14J200.
Figure 8-4 4800 MHz Narrow Span
If the 4800 MHz signal is not measuring the correct power level, see the
"A16 Reference Assembly Troubleshooting"
Keysight N9010A EXA Service Guide
by pressing SPAN, 50 kHz, BW, 1 kHz. The signal on the functioning
spectrum analyzer should be very stable both in frequency and power as
shown in Figure 8-4.
section later in this chapter.
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