Glossary
© National Instruments Corporation G-7 Getting Started with SCXI
multidrop refers to a serial network with multiple devices
mux multiplexer; a switching device with multiple inputs that sequentially
connects each of its inputs to its output, typically at high speeds, in order to
measure several signals with a single analog input channel.
N
N/A not applicable
NB NuBus
NC not connected
NI-DAQ refers to the NI-DAQ software for PC compatibles unless otherwise noted
NRSE nonreferenced single-ended mode
O
oscillator a circuit or device that produces a sine or square wave output
output settling time the amount of time required for the analog output voltage to reach its final
value within specified limits
P
PGIA programmable-gain instrumentation amplifier
phase-shift the angular difference between identical reference points in two oscillating
signals
port a digital port, consisting of four or eight lines of digital input and/or output
posttriggering the technique used on a DAQ device to acquire a programmed number of
samples after trigger conditions are met
ppm parts per million
pretriggering the technique used on a DAQ device to keep a continuous buffer filled with
data, so that when the trigger conditions are met, the sample includes the
data leading up to the trigger condition
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