National Instruments NI PXI-7852 User Manual page 75

Glossary
T
THD
thermocouple
TTL
two's complement
V
V
VDC
VHDCI
VI
V
IH
V
IL
V
OH
V
OL
V
rms
W
waveform
R Series Intelligent DAQ User Manual
Total harmonic distortion—The ratio of the total rms signal due to
harmonic distortion to the overall rms signal, in decibel or a percentage.
A temperature sensor created by joining two dissimilar metals. The
junction produces a small voltage as a function of the temperature.
Transistor-transistor logic.
Given a number x expressed in base 2 with n digits to the left of the radix
point, the (base 2) number 2n – x.
Volts.
Volts direct current.
Very high density cabled interconnect.
Virtual instrument—Program in LabVIEW that models the appearance and
function of a physical instrument.
Volts, input high.
Volts, input low.
Volts, output high.
Volts, output low.
Volts, root mean square.
Multiple voltage readings taken at a specific sampling rate.
G-8 © National Instruments Corporation