National Instruments Module SCXI-1503 User Manual
Page 71
Glossary
© National Instruments Corporation
G-3
D GND
digital ground signal
differential amplifier
an amplifier with two input terminals, neither of which are tied to a ground
reference, whose voltage difference is amplified
DIN
Deutsche Industrie Norme (German Industrial Standard)
DIO
digital input/output
DoC
Declaration of Conformity
drivers/driver
software
software that controls a specific hardware device such as an E/M Series
DAQ device
E
EMC
electromagnetic compliance
EMI
electromagnetic interference
excitation
a voltage or current source used to energize a sensor or circuit
EXT CLK
external clock signal
G
gain
the factor by which a signal is amplified, sometimes expressed in decibels
I
ID
identifier
IEX+
positive excitation channel
IEX–
negative excitation channel
in.
inch or inches
input impedance
the measured resistance and capacitance between the input terminals of a
circuit
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