Measurements and Results
R&S
®
FSVA3000/ R&S
®
FSV3000
285User Manual 1178.8520.02 ─ 01
7.10 Harmonic Distortion Measurement
The "Harmonic Distortion" measurement measures harmonics and their distortion,
including the total harmonic distortion.
● About the Measurement........................................................................................285
● Harmonic Distortion Basics...................................................................................286
● Harmonic Distortion Results..................................................................................288
● Harmonic Distortion Configuration........................................................................ 289
● How to Determine the Harmonic Distortion...........................................................291
7.10.1 About the Measurement
With this measurement it is possible to measure the harmonics easily, for example
from a VCO. In addition, the total harmonic distortion (THD) is calculated.
For measurements in the frequency domain, the Harmonic Distortion measurement
starts with an automatic search for the first harmonic (= peak) within the set frequency
range. The center frequency is set to this frequency and the reference level is adjusted
accordingly.
For measurements in zero span, the center frequency remains unchanged.
The Harmonic Distortion measurement then performs zero span sweeps at the center
frequency and at each harmonic, i.e. at frequencies that are a multiple of the center
frequency.
As a result, the zero span sweeps on all harmonics are shown, as well as the RMS
values and the total harmonic distortion (THD).
Harmonic Distortion Measurement
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