5
Audio Analyzer Measurement Functions
120
Keysight U8903A User’s Guide
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.
SINAD = 20 log
rms value of signal, noise, and distortion
rms value of noise and distortion
------------------------------------------------------------------
(
)
Содержание U8903A
Страница 10: ...10 Keysight U8903A User s Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...
Страница 18: ...18 Keysight U8903A User s Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...
Страница 20: ...20 Keysight U8903A User s Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...
Страница 92: ...3 Instrument Configuration 92 Keysight U8903A User s Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...
Страница 142: ...6 Frequency and Time Domain Analysis 142 Keysight U8903A User s Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...
Страница 152: ...7 Sweep Function 152 Keysight U8903A User s Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...
Страница 154: ...8 Specifications 154 Keysight U8903A User s Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...
Страница 156: ...156 Keysight U8903A User s Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...