National Instruments Data Acquisition Device NI USB-621x - Page 174

Glossary
NI USB-621x User Manual G-16 ni.com
V
m
Measured voltage.
V
OH
Vo l t s , o utput high.
V
OL
Vo l t s , o utput low.
V
out
Vo l t s o ut.
V
s
Signal source voltage.
virtual channel See channel.
W
waveform 1. The plot of the instantaneous amplitude of a signal as a function
of time.
2. Multiple voltage readings taken at a specific sampling rate.