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Definition of "Common-Mode Rejection" |
Common-mode rejection ratio of a differential amplifier or other device is the rejection by the device of unwanted input signals common to both input leads, relative to the wanted difference signal. An ideal differential amplifier would have infinite CMRR; this is not achievable in practice. A high CMRR is required when a differential signal must be amplified in the presence of a possibly large common-mode input. / An electrical network is an interconnection of electrical elements such as resistors, inductors, capacitors, voltage sources, current sources and switches. An electrical circuit is a network consisting of a closed loop, giving a return path for the current. Linear electrical networks, a special type consisting only of sources voltage or current, linear lumped elements are resistors, capacitors, inductors, and linear distributed elements are transmission lines, have the property that signals are linearly superimposable. |
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