National Instruments PXI NI 5401 User Manual
Page 52
Glossary
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National Instruments Corporation
G-5
I
I/O
input/output—the transfer of data to/from a computer system involving
communications channels, operator interface devices, and/or data
acquisition and control interfaces
IFIFO
instruction FIFO
instruction FIFO
the FIFO that stores the waveform generation staging list
K
k
kilo—the standard metric prefix for 1,000, or 10
3
, used with units of
measure such as volts, hertz, and meters
K
kilo—the prefix for 1,024, or 2
10
, used with B in quantifying data or
computer memory
kS
1,000 samples
Kword
1,024 words of memory
L
latch
a digital device that stores digital data based on a control signal
level DAC
the calibration DAC used to change the voltage levels to another device
linking
linking different buffers stored in the waveform memory
looping
repeating the same buffer in the waveform memory. This method of
waveform generation decreases memory requirements.
lowpass filter
a circuit used to smooth the waveform output and removed unwanted high
frequency contents form the signal