Glossary
SCXI-1102/B/C User Manual
G-6
©
National Instruments Corporation
O
OUT
output signal
OUTREF
output reference signal
P
PCMCIA
an expansion bus architecture that has found widespread acceptance as
a de facto standard in notebook-size computers. It originated as a
specification for add-on memory cards written by the Personal
Computer Memory Card International Association.
R
RAM
random-access memory
RMA
Return Material Authorization
rms
root mean square—the square root of the average value of the square of
the instantaneous signal amplitude; a measure of signal amplitude
RSVD
reserved bit
RTSI bus
real-time system integration bus—the National Instruments timing bus
that connects DAQ devices directly, by means of connectors on top of
the boards, for precise synchronization of functions
S
S
samples
s
seconds
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
devices in the noisy PC environment
SERCLK
serial clock signal
