Gain of the amplifier is 'A'. Then the I/P impedance and O/P impedance of the closed loop amplifier shown below would be
Options
A.
B.
C.
D.
Correct Answer
Explanation
By using Miller theorem circuit can be redrawn as
.
More questions
1. If an amplifier with gain of - 1000 and feedback factor ? = - 0.1 had a gain change of 20% due to temperature, the change in gain of the feedback amplifier would be