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It does, of course affect how much this noise is amplified at the output. But the signal to noise ratio at the output is basically unaffected since signal and noise are equally amplified.
Feedback does reduce distortion.
As I stated previously, noise and signal are amplified equally by the amplifier gain so negative feedback has no effect on the signal to noise ratio, only the gain of the signal and noise.Can you please explain how can feedback affect how much noise is amplified at the output?
And how can feedback reduce the distortion?