Positive And Negative Clamper Circuit. A clamper is an electronic circuit that fixes either the positive or the negative peak excursions of a signal to a defined value by shifting its dc value. The circuit diagram to build an negative clamper is shown below.
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Clamper circuits consist of energy storage elements like capacitors. The circuit will be called a negative clamper when the signal is pushed downward by the circuit. The following are two general types of clamping.
The clamper does not restrict the peak to peak excursion of the signal it moves the whole signal up or down so as to place the peaks at the reference level.
The following are two general types of clamping. Positive clamping occurs when negative peaks raised or clamped to ground or on the zero level in other words it pushes the signal upwards so that negative peaks fall on the zero level. If the circuit pushes the signal upwards then the circuit is said to be a positive clamper. Similarly a clamper circuit adds the negative dc component to the input signal to push it to the negative side.
