National Instruments NI 6120 用户手册

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页码 127
Glossary
© National Instruments Corporation
G-5
ESD
electrostatic discharge
EXTSTROBE*
external strobe signal
F
F
farad—a measurement unit of capacitance
FIFO
first-in first-out memory buffer—the first data stored is the first data sent 
to the acceptor; often used on DAQ devices to temporarily store incoming 
or outgoing data until that data can be retrieved or output
floating signal sources
signal sources, including batteries, transformers, or thermocouples, with 
voltage signals that are not connected to an absolute reference or system 
ground; also called nonreferenced signal sources
FPGA
field programmable gate array
FREQ_OUT
frequency output signal
G
gain
the factor by which a signal is amplified, sometimes expressed in decibels
GATE
gate signal
GPCTR
general-purpose counter signal
GPCTR0_GATE
general-purpose counter 0 gate signal
GPCTR0_OUT
general-purpose counter 0 output signal
GPCTR0_SOURCE
general-purpose counter 0 clock source signal
GPCTR0_UP_DOWN
general-purpose counter 0 up down signal
GPCTR1_GATE
general-purpose counter 1 gate signal
GPCTR1_OUT
general-purpose counter 1 output signal
GPCTR1_SOURCE
general-purpose counter 1 clock source signal