ADVANTEST R3131 Series

R3I31 Spectrum Analyzer Operation Manual
2.3.6 Harmonic Distortion Measurements
13. Press PK SRCH.
The marker is displayed on the peak of the higher harmonic wave. The level dis-
played in the marker area is recorded as the higher harmonic wave level. The har-
monic distortion is the difference between the higher harmonic wave and the
fundamental wave levels.
ADVANTEST R3131 Thu 11 Dec 1997
REF -30.0 dBm ATT 10dB kwrt B_blnk
10dB/ Norm Norm
Marker
CENTER..._. — 1.5999998 GHz
1.6000000 6Hz
. -76. 17 dBm
CENTER 1.6000000 6Hz SPAN 100.0 kHz
RBW 3 kHz VBW 1 kHz SWP 70 ms
Freq
Center
Start
Stop
CF Step
AUTO /MNL
Figure 2-76 Measuring the Harmonic Distortion
2-80