Cirrus Logic CDB5376 - Manual (Page 48)

CDB5376
48 DS612DB3
3.4.1 Test Select
The Test Select control sets the type of analysis to be run on the collected data set.
Control Description
Time Domain Runs a min / max calculation on the collected data set and then plots sample data
value vs. sample number.
Histogram Runs a histogram calculation on the collected data set and then plots sample occur-
rence vs. sample value. Only valid for noise data since sine wave data varys over too
many codes to plot as a histogram.
Signal FFT Runs an FFT on the collected data set and then plots frequency magnitude vs. fre-
quency. Statistics are calculated using the largest frequency bin as a full-scale signal
reference.
Noise FFT Runs an FFT on the collected data set and then plots frequency magnitude vs. fre-
quency. Statistics are calculated using a simulated full-scale signal as a full-scale sig-
nal reference.