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Analog Electronics Lab Experiments

Study of Clipping & Clamping Circuit


Study of Clipping & Clamping circuit.

Apparatus Required:

Power supply, Clipping & Clapping circuit, Connecting leads, CRO.

Brief Theory:

Clipping: The clippers have the ability to remove signal voltages above or below a specified level & hence change the wave shape of the I/P signal. Most of the clippers employ diodes & are known as diode clippers. Different type of clippers are-

Positive & Negative clipper: A circuit that removes +ve half-cycle of the signal is called +ve clipper. Some times, it is required to remove the –ve half cycle of the I/P signal, the only thing to be done is to reverse the polarity of the diode connected across load, such a clipper is known as a –ve clipper.

Biased clipper: A clipper used to remove a small portion of +ve or –ve half cycle of the signal Voltage is called a biased clipper. A diode is employed in series with a battery of different volts depending upon the requirement.

Combination clipper: In this circuit small portion of +ve as well as small portion of –ve half- Cycle of the signal voltage is removed.

Clamper: A clamping circuit adds d.c component to the signal in such away that it pushes the signal either on the +ve side or on the –ve side. When the circuit pushes the signal on the +ve side then –ve peak of the signal falls on the zero level, this circuit is called a +ve clamper. When the circuit pushes the signal on the –ve side, this is –ve clamper.

Circuit Diagram:




  1. Connect the circuit as shown in the circuit diagram
  2. Observe the output on CRO
  3. Now connect the battery and observe the output.
  4. Repeat the above steps for each type of clipper


  1. Connect the circuit as shown in the circuit diagram
  2. Note down the output on CRO
  3. Use dc/ac switch of CRO to calculate the added dc level to the wave
Positive negative Clamper
Input waveform Postive negative Clipper

Observation table:

Sr.No. Clipper/I/P(V)/O/P(V) Clamper/I/P(V)/O/P(V)


  1. Connection should be proper & tight.
  2. Switch ‘ON’ the supply after completing the circuit
  3. Handle the equipments with care

Result:Verified the circuit diagram of clipper and clamper and waveforms are drawn.


Q.No. Question Answers
1 What is non-linear wave shaping? Non linear wave shaping is the process, on applying any wave at input of a non-linear device the shape of the output wave varies non-linearly with the input wave.
2 Which are the circuits for non-linear wave shaping? Clipping circuit & Clamping circuits circuits for non-linear wave shaping.
3 What is clipping circuit ? A wave-shaping circuit which controls the output waveform by removing or clipping a portion of the applied wave is known as clipping circuit.
4 According to non-linear devices how clippers can be classified? According to non-linear devices clippers can be classified as diodes clippers & transistor clippers.
5 According to configuration used classify clippers? According to configuration used classify clippers can be classified as (a)Series diode clipper. (b) Parallel or shunt diode clipper. (c) Combination clippers.
6 Classify Clippers level of clippers? According to level of clipping the clippers may be (a) Positive clippers. (b)Negative clippers (c) Biased clippers (d) Combinational clippers.
7 What is positive clipper circuit? Positive clipper is one which removes the positive half cycles of the input voltage
8 What is negative clipper circuit? Negative clipper is one which removes the negative half cycles of the input voltage
9 What is clamping? A circuit that places either the positive or negative peak of a signal at a desired level is known as Clamping circuit.
10 How many types of clampers are there? There are 2 types of clampers (a) Positive clamper. (b)Negative clamper