Q. Diode in small signal positive half wave rectifier circuit acts as

A
Ideal diode
B
Clipper diode
C
Clamper diode
D
Rectifier diode
Solution:

The diode acts as an ideal diode, since the voltage across the ON diode is divided by the open loop gain of the op-amp. As the input voltage starts increasing in the positive direction, the output of the op-amp also increases positively till the diode become forward biased.

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