1(a)
Draw and explain Current Mirror Circuit. Discuss it's application with derivation.

5 M

1(b)
Explain OP-AMP an integrator. Explain why practical integrator is used.

5 M

1(c)
Explain cross-over disortion in power amplifier along with necessary circuit to overcome it.

5 M

1(d)
Compare RC phase shift oscillator and and wein bridge oscillator.

5 M

2(a)
Draw and explain working of Hartley oscillator. Drive frequency of oscillation and condition for sustained oscillation for Hartley oscillator.

10 M

2(b)
Derive an expression for gain of three op-amp Instrumentation amplifier with neat circuit diagram. State the characteristics and application for instrumentation amplifier.

10 M

3(a)
Draw and explain working of class B push-pull power amplifier. Derive expression for efficiency and figure of merit.

10 M

3(b)
Design using OP-AMP

1. Wein Bridge Oscillator for f = 10 Khz

2. V

1. Wein Bridge Oscillator for f = 10 Khz

2. V

_{0}= 4V_{a}-3V_{b}+2V_{c}-V_{d}.
10 M

4(a)
Calculate Q point, Ad, Ac, CMRR and Rin for DIUO differential amplifier for given specifications. Supply = ±20v, R

_{c}= 3.3 Khz, R_{E = 1kΩ, Rs 500Ω , β=100}
10 M

4(b)
Design transformer coupled class - A power amplifier to provide

10 M

5(a)
Design a Schmitt trigger for V

_{vt}=6V and V_{LT}= 4V with supply = ±
5 M

5(b)
Draw and explain Non-inverting comparator working along with waveforms.

5 M

5(c)
For the circuit given below identify the feedback toplogy. Using negative feedback approach, determine Avf, Rif and Rof.

!mage

!mage

10 M

Solve any four question from Q.6(a,b,c,d,e)

6(a)
Compare current shunt and current series negative feedback

5 M

6(b)
Explain Block diagram of Op-Amp

5 M

6(c)
Explain Full wave Rectifier using OP-AMP.

5 M

6(d)
State and prove condition for substained oscillations.

5 M

6(e)
Explain use of swamping Register used in Differential-Amplifier with neat circuit Diagram.

5 M

More question papers from Electronic Circuits and Design - 2