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National Instruments NI 6120 User Manual

Page 116

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Glossary

© National Instruments Corporation

G-11

NI 6115/6120 User Manual

T

TC

terminal count—the ending value of a counter

t

gh

gate hold time

t

gsu

gate setup time

t

gw

gate pulse width

THD

total harmonic distortion—the ratio of the total rms signal due to
harmonic distortion to the overall rms signal, in decibel or a percentage

thermocouple

a temperature sensor created by joining two dissimilar metals whose
junction produces a small voltage as a function of the temperature

t

off

an offset (delayed) pulse; the offset is t nanoseconds from the falling edge
of the CONVERT* signal

t

out

output delay time

t

p

period of a pulse train

TRIG

trigger signal

t

sc

source clock period

t

sp

source pulse width

TTL

transistor-transistor logic

t

w

pulse width

U

UI

update interval

UISOURCE

update interval counter clock signal

UPDATE*

update signal

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