Biased Positive Clipper

A circuit in which the waveform of an applied signal is shaped or removed (clipped) is known as a clipping circuit.

Biased positive clipping is the process of removing a small portion of the positive half cycle of the signal voltage.

Biased Positive Clipper

Operation of the Biased Positive Clipper:

During the positive half cycle, the diode conducts heavily as long as the input voltage is greater than +V. The output remains at +V so long as the input voltage is greater than +V.

During the period the input voltage is less than +V, the diode is reverse biased and behaves as an open circuit.

Therefore, most of the input voltage appears across the output.

In this way, the biased positive clipper removes the input voltage above +V.

During the negative half cycle of the input voltage, the diode remains reverse biased.

Therefore, almost the entire negative half cycle appears across the load.