Glossary
G-12
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pulse trains
multiple pulses
pulsed output
a form of counter signal generation by which a pulse is outputted when a
counter reaches a certain value
Q
quantization error
the inherent uncertainty in digitizing an analog value due to the finite
resolution of the conversion process
R
RAM
random-access memory
real time
a property of an event or system in which data is processed as it is acquired
instead of being accumulated and processed at a later time
referenced
single-ended
configuration
RSE—all measurements are made with respect to a common reference
measurement system or a ground. Also called grounded measurement
system.
relative accuracy
a measure in LSB of the accuracy of an ADC. It includes all non-linearity
and quantization errors. It does not include offset and gain errors of the
circuitry feeding the ADC.
resolution
the smallest signal increment that can be detected by a measurement
system. Resolution can be expressed in bits, in proportions, or in percent of
full scale. For example, a system has 12-bit resolution, one part in 4,096
resolution, and 0.0244% of full scale.
ribbon cable
a flat cable in which the wires are lined up, not bunched together
rise time
the difference in time between the 10% and 90% points of a system’s step
response
rms
root mean square—the square root of the average value of the square of the
instantaneous signal amplitude; a measure of signal amplitude
RSE
see referenced single-ended configuration
