Keysight Technologies N9030B Service Manual page 264

LO Synthesizer/Reference Troubleshooting
A14 LO Synthesizer and A20 YTO Troubleshooting
Table 8-2 1st LO Frequency and Power Level Measurements
PXA Signal Analyzer Center
Frequency
(GHz)
0.050
1.8
3.5
Check the following frequencies on analyzers with Option 508, 513, or 526
3.7
4.3
5.5
7.0
8.3
Figure 8-10 5.1725 GHz 1st LO Measurement
264
Expected LO Frequency
(GHz) at Directional
Coupler Output
5.1725
6.9225
8.6225
4.0225
4.6225
5.8225
7.3225
8.6225
Expected LO Power at Equivalent LO Power)
Directional Coupler at YTO Output
Output
0 dBm ± 4 dB +10 dBm ± 4 dB
0 dBm ± 4 dB +10 dBm ± 4 dB
0 dBm ± 4 dB +10 dBm ± 4 dB
0 dBm ± 4 dB +10 dBm ± 4 dB
0 dBm ± 4 dB +10 dBm ± 4 dB
0 dBm ± 4 dB +10 dBm ± 4 dB
0 dBm ± 4 dB +10 dBm ± 4 dB
0 dBm ± 4 dB +10 dBm ± 4 dB
N9030B PXA Signal Analyzer Service Guide