Verifying The 50 Mhz Calibrator Signal - Keysight N9000A Service Manual

Verifying the 50 MHz Calibrator Signal

• Remove cable W9 from A8J337 RF Assembly(1) and measure the 50 MHz
Figure 4-1 RF Assembly Cables Location
W8
W8
9
W9
• If the L.O. assembly calibrator is functioning properly, the 50 MHz calibrator
Chapter 4
calibrator signal on the cable end with a functioning Spectrum Analyzer. Refer
to Figure 4-1.
1
W1
W1
signal will measure 50 MHz at −25 dBm ± 3 dB. See
incorrect, the L.O. assembly is most likely defective. If the level is within
tolerance, the RF assembly is most likely defective. Reconnect W9 at A8J337.
W5
1
W5
RF Section Troubleshooting
Troubleshooting
W2
W2
W4
W4
Figure 4-2. If this level is
131