www.nagarjunauniversity.ac.in Acharya Nagarjuna University MSc Electronics : Model Question Paper

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Document Described : Acharya Nagarjuna University
MODEL PAPERS
M.SC ELECTRONICS
FIRST SEMESTER
Paper I – ANALOG AND DIGITAL CIRCUITS
Time: Three hours Maximum marks: 80

Answer ALL questions
Each questions carry equal marks

Model Question List : http://www.nagarjunauniversity.ac.in/pgsyllabus.asp
Model Question Paper : http://www.nagarjunauniversity.ac.in...ce/elecmqp.pdf

1. (a) Explain the construction and operation of Tunnel diode.
(b) Explain the I-V characteristics of Tunnel diode.
Or
(c) Describe the operation of zener diode.
(d) Write short note on Thyristor.

2. (a) Discuss in detail the design of D.C. Voltage power supply using IC 723 regular.
(b) Define load regulation
(c) Explain the design of switch mode regulated power supplies (SMPS).
(d) Explain the limitations of SMPS.

3. (a) Explain the design of two stage cascaded transistor.
(b) Determine its frequency response without feedback.
Or
(c) Describe the design of complementary Symmetry amplifier using MOS power FETS.
(d) Explain negative feedback.

4. (a) Explain the design and analysis of a RC phase shift oscillator.
Or
(b) Discuss in detail using circuit diagram the operation of colpilt’s oscillator.

5. (a) Draw the circuit diagram and operation of decade counter.
Or
(b) Explain the working of seven segment decoder driver and write a note on digital phase meter.