680 Keysight N9038A MXE Service Guide
Tests
Second Harmonic Distortion (SHD)
7. Adjust the signal generator amplitude for a instrument display of –5 dBm
±0.1 dB.
8. On the receiver, activate the marker delta function by pressing the Marker
and Delta keys.
9. On the receiver, press:
FREQ Channel, Center Freq, 80, MHz
Meas Setup, Average/Hold Number, 20, Enter
Trace/Detector, Trace Average
Single
10.Press Peak Search. Enter the displayed value under the Measured Second
Harmonic Distortion (dBc) heading in Table 22-9.
Table 22-9 Second Harmonic Distortion Results
Applied Frequency
(MHz)
Mixer Level
(dBm)
Measured Second Harmonic Distortion
(dBc)
Specification
(dBc)
40 –15 –55