Glossary - C

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CANBUS

Controller Area Network is a multicast shared serial bus standard. CAN was specifically designed to be robust in electromagnetically noisy environments and can utilize a differential balanced line like RS485.
http://www.mantracourt.co.uk/products/Amplifiers_Digitisers/DCell

Calibration

The process of adjusting an instrument or compiling a deviation chart so that it’s reading can be correlated to the actual value being measured.

CMR(Common-Mode Rejection)

The ability of an instrument to eliminate the effect of AC or DC noise between signal and ground. Normally expressed in dB at dc to 60 Hz. One type of CMR is specified between SIG LO and PWR GND. In differential meters, a second type of CMR is specified between SIG LO and ANA GND (METER GND).

Compensation

is planning for side effects or other unintended issues in a design

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