Common Mode Rejection Ratio in BJT Differential Amplifiers Formulas

Common Mode Rejection Ratio is the ratio of the common-mode gain to differential-mode gain. And is denoted by CMRR. Common Mode Rejection Ratio is usually measured using the Decibel for Noise. Note that the value of Common Mode Rejection Ratio is always negative.

Formulas to find Common Mode Rejection Ratio in BJT Differential Amplifiers

fxCommon Mode Rejection Ratio of BJT Differential Amplifier in dBGo

List of variables in BJT Differential Amplifiers formulas

fx Differential Gain Go

fx Common Mode Gain Go

FAQ

What is the Common Mode Rejection Ratio?

Common Mode Rejection Ratio is the ratio of the common-mode gain to differential-mode gain. Common Mode Rejection Ratio is usually measured using the Decibel for Noise. Note that the value of Common Mode Rejection Ratio is always negative.

Can the Common Mode Rejection Ratio be negative?

Yes, the Common Mode Rejection Ratio, measured in Noise can be negative.

What unit is used to measure Common Mode Rejection Ratio?

Common Mode Rejection Ratio is usually measured using the Decibel[dB] for Noise. Neper[dB], MilliDecibel[dB] are the few other units in which Common Mode Rejection Ratio can be measured.

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