National Instruments SCXI-1121 Manuel D’Utilisation
Glossary
© National Instruments Corporation
Glossary-7
U
UL
Underwriters Laboratory
V
V
volts
V+
positive analog supply signal
V–
negative analog supply signal
VDC
volts direct current
V
IH
volts input high
V
IL
volts input low
V
OH
volts output high
V
OL
volts output low
V
rms
volts, root mean square
W
W
watts