National Instruments PCI-6110E/6111E User Manual
Page 102
Glossary
© National Instruments Corporation
G-9
S
s
seconds
S
samples
SCANCLK
scan clock signal
SCXI
Signal Conditioning eXtensions for Instrumentation—the National
Instruments product line for conditioning low-level signals within
an external chassis near sensors so only high-level signals are sent
to DAQ boards in the noisy computer environment
SE
single-ended—a term used to describe an analog input that is
measured with respect to a common ground
settling time
the amount of time required for a voltage to reach its final value
within specified limits
signal conditioning
the manipulation of signals to prepare them for digitizing
SISOURCE
SI counter clock signal
SOURCE
source signal
S/s
samples per second—used to express the rate at which a DAQ
board samples an analog signal
STARTSCAN
start scan signal
system noise
a measure of the amount of noise seen by an analog circuit or an
ADC when the analog inputs are grounded
T
TC
terminal count—the ending value of a counter
t
gh
gate hold time
t
gsu
gate setup time
t
gw
gate pulse width
t
out
output delay time
PCI_E.book Page 9 Thursday, June 25, 1998 12:55 PM