3-6 Spurious Response (Second Harmonic Distortion) Chapter 3 — Spectrum Analyzer Verification
3-10 PN: 10580-00324 Rev. N S412E MM
24. Set the # of Average to 5.
25. Wait until the Trace Count displays “5/5”.
26. Touch the Marker main menu button and then Peak Search submenu button.
27. Record the amplitude of 100.2 MHz in Table A-9.
28. Calculate the second Harmonic level in dBc by subtracting the 50.1 MHz amplitude from the 100.2 MHz
amplitude using the following formula:
Second Harmonic level dBc = 100.2 MHz amplitude – 50.1 MHz amplitude
29. Record the calculated Second Harmonic Level in Table A-9 and verify that it is <
–56 dBc.
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