Q.1     What is the function of a clamper circuit?
A)    Regulate the DC voltage output level .
B)    Limit the amplitude of any waveform to a predetermined level.
C)    Change the reference level of a signal.
D)    Limit the frequency to a predetermined value.
Ans : C

Q.2    What is the function of the capacitor and resistor in an unbiased clamper?
A)    Provide the output reference of the clamper circuit.
B)    Produce a long time constant.
C)    Provide the input reference to the circuit.
D)    Produce a short time constant.
Ans : A

Q.3    What is the purpose of the forward biase diode in an unbiased clamper?
A)    Produce a short time constant with the capacitor.
B)    Produce a long time constant with the capacitor.
C)    Shunt the signal to ground.
D)    Provide the input reference to the circuit.
Ans : C

Q.4     What is the function of a bias in a clamper circuit?
A)    Produce a short time constant with the capacitor.
B)    Produce a long time constant with the capacitor.
C)    Provide the input reference to the circuit.
D)    Provide the output reference to the circuit.
Ans : A

Q.5    What type of clamper circuit is illustrated below?