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The CMRR is expressed in _____________

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in Biomedical Instrumentation by (76.6k points)
The CMRR is expressed in _____________

(a) V/s

(b) dB/ms

(c) dB/s

(d) dB

This question was addressed to me by my college director while I was bunking the class.

My question comes from Single Channel Telemetry System in division Biomedical Telemetry of Biomedical Instrumentation

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Best answer
Correct answer is (d) dB

The best I can explain: The ability of the amplifier to reject common voltages on its two input leads is known as common-mode rejection. It is specified as the ratio of common-mode input to differential input to elicit the same response. CMRR is an important specification referred to the differential amplifier and is normally expressed as decibels.

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