Spectrum Analyzer Verification 2-3 Spurious Response (Second Harmonic Distortion) Verification
S3xxE MM PN: 10580-00253 Rev. J 2-5
25. Press the Freq soft key and press the Center Freq soft key.
26. Use the keypad to enter 100.2 and press the MHz soft key.
27. Press the Shift key and then press the Trace (5) key, then press the Trace A Operations soft key.
28. Press the # of Average soft key, use the keypad to enter 5 and then press the Enter key.
29. Wait until the Trace Count displays “5/5”.
30. Press the Marker key and press the Peak Search soft key.
31. Record the amplitude for 100.2 MHz in the test records. Use Table A-3.
32. Calculate the 2nd Harmonic level in dBc by subtracting the 50.1 MHz amplitude from the 100.2 MHz
amplitude using this formula:
Second Harmonic Level Amplitude @ 100.2 MHz = 100.2 MHz amplitude – 50.1 MHz amplitude = _____ dBc
33. Verify that the calculated Second Harmonic Level is ≤ –56 dBc and record it in the test records.
Use Table A-3.
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