National Instruments 6023E 用户手册
Glossary
G-6
ni.com
GPCTR1_UP_DOWN
general purpose counter 1 up down
GPIB
General Purpose Interface bus, synonymous with HP-IB. The standard bus
used for controlling electronic instruments with a computer. Also called
IEEE 488 bus because it is defined by ANSI/IEEE Standards 488-1978,
488.1-1987, and 488.2-1987.
used for controlling electronic instruments with a computer. Also called
IEEE 488 bus because it is defined by ANSI/IEEE Standards 488-1978,
488.1-1987, and 488.2-1987.
grounded measurement
system
system
See
H
h
hour
hex
hexadecimal
Hz
hertz—cycles per second of a periodic signal
I
INL
integral nonlinearity—a measure in LSB of the worst-case deviation from
the ideal A/D or D/A transfer characteristic of the analog I/O circuitry
the ideal A/D or D/A transfer characteristic of the analog I/O circuitry
input bias current
the current that flows into the inputs of a circuit
input impedance
the measured resistance and capacitance between the input terminals of a
circuit
circuit
input offset current
the difference in the input bias currents of the two inputs of an
instrumentation amplifier
instrumentation amplifier
instrumentation
amplifier
amplifier
a very accurate differential amplifier with a high input impedance
interrupt
a computer signal indicating that the CPU should suspend its current task
to service a designated activity
to service a designated activity
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
communications channels, operator interface devices, and/or data
acquisition and control interfaces
I
OH
current, output high