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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