Explain working of biased clamper, Electrical Engineering

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Q. Explain working of Biased Clamper?

Biased Clamper : The circuit of a positively biased clamper is shown in the figure. During the negative half cycle of the input signal the diode is forward biased and acts like a short circuit. The capacitor charges to . Applying the KVL to the input side

170_Biased Clamper.png

 

The voltage across the resistor will be equal to the source voltage Vs.

During the positive half cycle of the input signal, the diode is reverse biased and it acts as an open circuit. Hence Vs has no effect on Vo. Applying KVL around the outside loop.

1174_Biased Clamper1.png


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