National Instruments Module SCXI-1125 Manual de usuario descargar pdf (Pagina 90)

Glossary

CCelsius

Conformité Européenne—The European emissions control standard. The

CE mark certifies that a product complies to relevant CE regulations. CE is

a common standard for all countries in the EU (European Union).

CH channel

channel

Pin or wire lead to which you apply or from which you read an analog or

digital signal. Analog signals can be single-ended or differential. For digital

signals, channels group to form ports. Ports usually consist of either four or

eight digital channels.

chassis The enclosure that houses, powers, and controls SCXI modules.

CJ TEMP cold-junction temperature sensor signal

CJC cold-junction compensation

CLK clock input signal

CMRR

common-mode rejection ratio—A measure of the capability of an

instrument to reject a signal that is common to both input leads.

code width The smallest detectable change in an input voltage of a DAQ device.

cold-junction

compensation

A method of compensating for inaccuracies in thermocouple circuits.

common-mode voltage Voltage that appears on both inputs of a differential amplifier.

cutoff frequency

The frequency at which the filter attenuates the input 3 dB, or half of its

original power.

D/A digital-to-analog

D*/A data/Address

D GND digital ground signal

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National Instruments Module SCXI-1125 Manual de usuario Pagina 90