96 U8903A User’s Guide
5Audio Analyzer Measurement Functions
The THD + N Ratio measurement is shown as follows.
Figure 5-8 THD + N Ratio measurement
SINAD
SIgnal, Noise, And Distortion (SINAD) is equal to the
reciprocal of the distortion measurement. It is mostly used
to determine the sensitivity of a communications receiver.
The ratio computed in the SINAD measurement is shown as
follows.
SINAD is expressed in dB (default) or as a percentage.
rms value of signal, noise, and distortion
rms value of noise and distortion
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