Glossary
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M
master
the requesting or controlling device in a master/slave configuration
Measurement &
Automation Explorer
(MAX)
a controlled centralized configuration environment that allows you to
configure all of your National Instruments DAQ, GPIB, IMAQ, IVI,
Motion, VISA, and VXI devices
N
NI-DAQ
National Instruments driver software for DAQ hardware
O
OCXO
oven-controlled crystal oscillator
oscillator
a device that generates a fixed frequency signal. An oscillator most
often generates signals by using oscillating crystals, but also may use
tuned networks, lasers, or atomic clock sources. The most important
specifications on oscillators are frequency accuracy, frequency
stability, and phase noise.
output impedance
the measured resistance and capacitance between the output terminals
of a circuit
P
PCI
Peripheral Component Interconnect—a high-performance expansion
bus architecture originally developed by Intel to replace ISA and
EISA. It is achieving widespread acceptance as a standard for PCs and
work-stations; it offers a theoretical maximum transfer rate of
132 Mbytes/s.
PFI
Programmable Function Interface
PLL
phase-locked loop
precision
the measure of the stability of an instrument and its capability to give
the same measurement over and over again for the same input signal
propagation delay
the amount of time required for a signal to pass through a circuit
