National Instruments NI 6120 User Manual
Page 108
Glossary
© National Instruments Corporation
G-3
C
C
Celsius
CalDAC
calibration DAC
cm
centimeter
CMOS
complementary metal-oxide semiconductor
CMRR
common-mode rejection ratio—a measure of an instrument to reject
interference from a common-mode signal, usually expressed in
decibels (dB)
CompactPCI
a Eurocard configuration of the PCI bus for industrial applications
CONVERT*
convert signal
correlated DIO
can clock digital I/O on the same clock as analog I/O
counter/timer
a circuit that counts external pulses or clock pulses (timing)
CTR
counter
D
D/A
digital-to-analog
DAC
digital-to-analog converter—an electronic device that converts a digital
number into a corresponding analog voltage or current
DAC0OUT
analog channel 0 output signal
DAC1OUT
analog channel 1 output signal
DAQ
data acquisition—(1) collecting and measuring electrical signals from
sensors, transducers, and test probes or fixtures and inputting them to a
computer for processing; (2) collecting and measuring the same kinds of
electrical signals with A/D and/or DIO devices plugged into a computer,
and possibly generating control signals with D/A and/or DIO devices in
the same computer