Glossary
© National Instruments Corporation G-19 M Series User Manual
U
USB Universal Serial Bus—A 480 Mbit/s serial bus with up to 12-Mbps
bandwidth for connecting computers to keyboards, printers, and other
peripheral devices. USB 2.0 retains compatibility with the original USB
specification.
V
V Volts.
V
cm
Common-mode voltage.
V
g
Ground loop voltage.
V
IH
Volts, input high.
V
IL
Volts, input low.
V
in
Volts in.
V
m
Measured voltage.
V
OH
Volts, output high.
V
OL
Volts, output low.
V
out
Volts out.
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.
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