Glossary
G-2
ni.com
ADC
analog-to-digital converter—an electronic device, often an integrated
circuit, that converts an analog voltage to a digital number
AI
analog input
AIGATE
AI gate signal
AIGND
AI ground signal
AISENSE
AI sense signal
ANSI
American National Standards Institute
AO
analog output
AOGND
AO ground signal
B
base address
a memory address that serves as the starting address for programmable
registers. All other addresses are located by adding to the base address.
bipolar
a signal range that includes both positive and negative values (for example,
–5 to +5 V)
BC
buffered counter
bus
the group of conductors that interconnect individual circuitry in a computer.
Typically, a bus is the expansion vehicle to which I/O or other devices are
connected. Examples of PC buses are the ISA and PCI bus.
C
C
Celsius
CalDAC
calibration DAC
CH
channel—pin or wire lead to which you apply or from which you read the
analog or digital signal. Analog signals can be single-ended or differential.
For digital signals, you group channels to form ports. Ports usually consist
of either four or eight digital channels.