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Glossary
clip
clock
CMOS
CMRR
code width
common-mode range
common-mode signal
common-mode voltage
compensation range
conditional retrieval
conversion device
conversion time
CONVERT*
counter/timer
coupling
crosstalk
PCI-4451/4452 User Manual
clipping occurs when an input signal exceeds the input range of the
amplifier
hardware component that controls timing for reading from or writing to
groups
complementary metal-oxide semiconductor
common-mode rejection ratio—a measure of an instrument's ability to
reject interference from a common-mode signal, usually expressed in
decibels (dB)
the smallest detectable change in an input voltage of a DAQ device
the input range over which a circuit can handle a common-mode signal
the mathematical average voltage, relative to the computer's ground, of the
signals from a differential input
any voltage present at the instrumentation amplifier inputs with respect to
amplifier ground
the range of a parameter for which compensating adjustment can be made
a method of triggering in which you simulate an analog trigger using
software. Also called software triggering.
device that transforms a signal from one form to another. For example,
analog-to-digital converters (ADCs) for analog input, digital-to-analog
converters (DACs) for analog output, digital input or output ports, and
counter/timers are conversion devices.
the time required, in an analog input or output system, from the moment a
channel is interrogated (such as with a read instruction) to the moment that
accurate data is available
convert signal
a circuit that counts external pulses or clock pulses (timing)
the manner in which a signal is connected from one location to another
an unwanted signal on one channel due to an input on a different channel
G-4
© National Instruments Corporation
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