Troubleshooting Test Failures

If a test will not proceed, then suspect either the setup is incorrect, or the test equipment or DUT is faulty. Specifically you should:

If the test can be completed as normal, but the test fails, you should:

Each of the performance tests has an associated troubleshooting procedure should problems be encountered. These troubleshooting procedures can be accessed using the following links.

  1. Internal Alignment Troubleshooting

  2. Frequency Reference Accuracy Troubleshooting

  3. Power Bandwidth Accuracy Troubleshooting

  4. Resolution Bandwidth Switching Uncertainty Troubleshooting

  5. Residual Responses Troubleshooting

  6. Displayed Average Noise Level Troubleshooting

  7. Input Noise Density Troubleshooting

  8. Audio Amplitude Accuracy Troubleshooting

  9. Audio Distortion Troubleshooting

  10. Frequency Readout Accuracy Troubleshooting

  11. Frequency Span Accuracy Troubleshooting

  12. Count Accuracy Troubleshooting

  13. RBW Selectivity CISPR Bands Troubleshooting

  14. IF Amplitude Ripple Troubleshooting

  15. IF Frequency Response Troubleshooting

  16. Spurious Responses Troubleshooting

  17. Frequency Response Above 3 GHz Troubleshooting

  18. Frequency Response (Option 123) Troubleshooting

  19. Frequency Response (Option 110) Troubleshooting

  20. LO Output Amplitude Accuracy Troubleshooting

  21. Gain Compression Troubleshooting

  22. Third Order Intermodulation Distortion Troubleshooting

  23. Third Order Intermodulation Distortion (Wide IF) Troubleshooting

  24. Second Harmonic Distortion Troubleshooting

  25. IF Phase Ripple Troubleshooting

  26. IF Input Accuracy Troubleshooting

  27. Absolute Amplitude Accuracy Troubleshooting

  28. Input Attenuation Switching Uncertainty Troubleshooting

  29. Display Scale Fidelity Troubleshooting

  30. Noise Sidebands < 50 kHz Offsets Troubleshooting

  31. Noise Sidebands > 50 kHz Offsets Troubleshooting

  32. Preselector Tune Out Accuracy Troubleshooting

  33. Frequency Response Below 300 kHz Troubleshooting