Sinad And Thd Calculations - Keysight N9913A User Manual

AM/FM Metrics (SA Only and Option 355)

SINAD and THD Calculations

SINAD and THD Calculations
— FieldFox converts the audio waveform to the audio frequency spectrum
— The FFT waveform is used to calculate SINAD and THD distortion metrics
— The fundamental signal, harmonics, and noise from 0 Hz to 24 kHz are
— For more on calculations, refer to
— See also,
Figure 21-4 Audio Waveform with FFT Calculations
364
using an FFT (i.e., The FFT result is not displayed). Refer to
page 364.
applied to the formulas. Refer to
page 357.
http://literature.cdn.keysight.com/litweb/pdf/5991-4913EN.pdf
Figure 21-5 on page 365.
"Overview of Measurement Types" on
Keysight N9927-90001 User's Guide
Figure 21-4 on