Troubleshooting
Troubleshooting Performance Test Problems
1-57
External Phase Modulation Deviation Accuracy Perform FM adjustments.
If still failing check
A11 Pulse/Analog Modulation Generator and A6 Frac-N.
External Pulse Modulation ON/OFF Ratio If the frequency is ≤3.2 GHz, check the
A11 Pulse/Analog Modulation Generator or the A8 Output.
If the frequency is >3.2 GHz, check the
A11 Pulse/Analog Modulation Generator and the A10 ALC.
Harmonic Spurious Refer to “Troubleshooting Harmonic Spurious” on page 1-62.
Sub-Harmonic Spurious Refer to “Troubleshooting Harmonic Spurious” on page 1-62.
Non-Harmonic Spurious Refer to “Troubleshooting Non-Harmonic Spurious” on page
1-65.
Single-Sideband Phase Noise Refer to “Troubleshooting the RF Path” on page 1-58.
Table 1-35 Troubleshooting Performance Test Problems
Performance test that is failing... Action to perform...
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