National Instruments NI 6120 用户手册
Glossary
G-12
ni.com
V
V
volts
V
CC
collector common voltage—power supply voltage
V
cm
common-mode noise and ground potential
VCXO
voltage-controlled crystal oscillator
VDC
volts direct current
VI
virtual instrument—(1) a combination of hardware and/or software
elements, typically used with a PC, that has the functionality of a classic
stand-alone instrument; (2) a LabVIEW software module (VI), which
consists of a front panel user interface and a block diagram program
elements, typically used with a PC, that has the functionality of a classic
stand-alone instrument; (2) a LabVIEW software module (VI), which
consists of a front panel user interface and a block diagram program
V
in
volts in
V
m
measured voltage
V
OH
volts, output high
V
OL
volts, output low
V
OUT
volts out
V
rms
volts, root mean square
V
s
ground-referenced signal source
W
WFTRIG
waveform generation trigger signal