Tuesday, February 1, 2022

Anna University EC2205 Electronics Circuits-I Nov Dec 2021 Question Paper

Anna University

Question Paper Code : 80441

B.E./B.Tech DEGREE EXAMINATIONS, NOVEMBER/DECEMBER 2021.

Third Semester

Electronics and Communication Engineering

EC 2205/EC 36/080290011 – ELECTRONIC CIRCUITS – I

(Regulations 2008)

Time : Three hours Maximum : 100 marks

Answer ALL questions.

PART A — (10 x 2 = 20 marks)

1. Define stability factor.

2. What are the different methods of biasing JFET?

3. Draw the small signal equivalent circuit of CE amplifiers.

4. State Bisection theorem.

5. Define Gain Bandwidth product.

6. Draw the high frequency equivalent circuit of FETs.

7. Define conversion efficiency of power amplifier.

8. What is cross over distortion in class B power amplifier?

9. Define ripple factor of a rectifier.

10. What is the function of a current limiting circuit?

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