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Acharya Nagarjuna University Model Question Paper : MSc Electronics

Name of the Organisation : Acharya Nagarjuna University (nagarjunauniversity.ac.in)
Type of Announcement : Model Question Paper
Home Page : http://www.nagarjunauniversity.ac.in/

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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
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.

Paper II – MICROWAVES, RADARS AND SATELLITE COMMUNICATIONS
Time: Three hours Maximum marks: 80
Answer ALL questions
1. (a) Explain the working of TRAPATT diode.
(b) Explain the principle of operation of Gunn diode.
Or
(c) Explain velocity modulation in Klystron.
(d) Explain the working of magnetron.
2. (a) Give an account on parametric amplifiers.
(b) Explain the working of balanced mixer.
Or
(c) How do you determine the impedance using Q urater?
(d) What do you understand by SWR?
3. (a) Discuss in detail FM microwave radio system.
Or
(b) Explain troposcatter propagation in microwave communication in detail.
4. (a) Derive an expression for Rader Range euqtion.
(b) Explain what is meant by Doppler shift.
Or
(c) Discuss in detail the working of MST Radar.
5. (a) Give an account on MTI Radar.
(b) Briefly explain the working of power amplifier of a transponder.
Or
(c) Give an account on geostationary satellites.
(d) What is meant by multiple access of a satellite?

Paper III – LINEAR AND DIGITAL IC’S AND APPLICATIONS
Time: Three hours Maximum marks: 80
Answer ALL questions
All questions carry equal marks
1. (a) Describe the fundamentals of monolithic IC technology.
(b) Explain Active and Passive components of ICs.
Or
(c) Describe the fabrication of FET.
(d) Explain the fabrication of a circuit.
2. (a) Explain the characteristics of a TTL logic family.
(b) Write a note on modified integrated circuit. Or
(c) Show how a CMOS device can drive a TTL circuit.
(d) Explain the features of CMOS gates.
3. (a) What is an operational amplifier? Explain how it can be used as an integrator.
(b) Write about frequency response of non-inverting amplifier.
Or
(c) Draw the circuit diagram and explain the operation of Differentiation amplifier.
4. (a) Describe the Servo motor control.
(b) Explain the under and over voltage protection.
Or
(c) With the help of a circuit diagram explain the operation of an monostable multivibrator.
(d) Write a short note on V to I and I to V converter.
1. (a) Write the basic principle of PLL and explain how PLL is used for frequency multiplication.
Or
(b) Draw the circuit diagram of frequency translation 555 timer and explain its operation.
(c) Describe the 8038 function generators.

Paper IV – C PROGRAMMING AND DATA STRUCTURES
Time: Three hours Maximum marks: 80
Answer ALL questions
1. (a) Discuss with example the different types of operators available in C language.
(b) Write C program for finding largest of three numbers.
Or
(c) Write notes on the following with an example:
(i) While
(ii) Switch
(iii) For.
(d) Write a C program to find the roots of a quadratic equation ax2 + bx + c = 0
2. (a) Write a C program to count the number of words in a sentence.
(b) Explain following string functions with examples:
(i) strcmp ( )
(ii) strcat ( )
(iii) strcpy ( )
Or
(c) Discuss storage classes in C language.
(d) Write a C program to perform the multiplication of two 3 x 3 matrices.
3. (a) Explain the random access to files and input/output operations on files.
(b) Explain the advances of user defined functions and what is a multifunction program.
Or
(c) Define structure in C. How the data is represented in structure? Explain with examples.
(d) Write a function using pointers to exchange the value stored in two locations in the memory.
4. (a) Write a C program to input ten integers and arrange them in ascending order using arrays.
(b) Write a note on stack and queue.
(c) What is linked list? Explain concept of linked list. What are the advantages of linked lists?
(d) Write notes on:
(i) Circular queue
(ii) Single linked list
(iii) Circular list.
5. (a) Explain I/O address in Turbo C/C++ environment for flashing LED.
(b) Write a C program to convert a post fix string to prefix.
Or
(c) Discuss the following library functions:
(i) import
(ii) import b
(iii) outport b.
(d) Write a ‘C’ program for functions with arguments and return values.

ABO Genral Knowledge Question Paper https://www.indianjobtalks.in/uploads/8452-elecmqp.pdf

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