National Instruments SCB-68 - Manual (Page 90)

Glossary
SCB-68 Shielded Connector Block User Manual G-2 ni.com
square root of
+5V +5 VDC source signal
A
A amperes
A/D analog-to-digital
AC alternating current
ACH analog input channel signal
ADC analog-to-digital converter—an electronic device, often an integrated
circuit, that converts an analog voltage to a digital number
AI analog input
AIGND analog input ground signal
AISENSE analog input sense signal
AO analog output
AOGND analog output ground signal
ASIC Application-Specific Integrated Circuit—a proprietary semiconductor
component designed and manufactured to perform a set of specific
functions
attenuate to decrease the amplitude of a signal
AWG American wire gauge
C
C Celsius
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