Analog Electronics

Q1: An RC coupled amplifier has an open loop gain of 200 and a lower cutoff frequency of 50 Hz. If negative feedback with β = 0.1 is used, the lower cut off frequency will be

A about 50 Hz

B about 5 Hz

C about 2.38 Hz

D about 70.5 Hz

ANS:C - about 2.38 Hz

New lower cutoff frequency = .



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