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