 MORE IN Electronic Circuits and Design - 2
MU Biomedical Engineering (Semester 4)
Electronic Circuits and Design - 2
May 2017
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

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. V0 = 4Va-3Vb+2Vc -Vd.
10 M

4(a) Calculate Q point, Ad, Ac, CMRR and Rin for DIUO differential amplifier for given specifications. Supply = ±20v, Rc = 3.3 Khz, RE = 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 Vvt=6V and VLT = 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
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

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