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PART C
Answer any two questions, each having 10 marks.

Draw the circuit of a Two Stage RC- Coupled amplifier and explain its working and

advantages.

Derive the equation for power output and conversion efficiency of a class Aseries fed

amplifier.

Write short notes on the following: (2.5 marks each)
a) CMRR

b) Slew rate

c) Common mode gain

d) Differential mode gain

PART D
Answer any 2 questions, each having 10 marks.

Draw the inverting and non-inverting amplifier circuits of an OP-AMP in closed —loop
configuration. Obtain the expressions for the closed loop gain in these circuits.
With the help of internal functional diagram, explain how a monostable multivibrator
works with use of 555 timer.

Draw the circuit of a Half Wave Precision Rectifier circuit and Explain its operation.

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