The non-linear distortion with negative feedback is given as:

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Schematic diagram of Negative feedback amplifier is shown below

When negative feedback is applied to the amplifier its’ gain reduces by the factor of (1+AV*mV).

Therefore,

It’s one of the advantages of the negative feedback amplifier to reduce Non-Linear distortion-

Therefore, if the non-linear distortion of an amplifier is D without feedback, then after applying negative feedback-

Distortion becomes = D /(1 + AV.mV

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