EC1251 Electronic Circuits -II (R 2004) November/December 2013 Question Paper

[Antony Maria Jerome]

Anna University

B E /B Tech Examination November/December 2013
Department of  ECE
8th Semester
EC1251  Electronic Circuits -II   Question paper

(Regulation 2004)

Semester : 4

Department : ECE
Subject Code : EC1251
Subject Name: Electronic Circuits -II
Type : Question Papers
Syllabus Regulation : 2004
Attachment Type : pdf
Details :EC1251 Electronic Circuits -II  Question Paper

Question Paper Code: 33371

B.E. / B.Tech. DEGREE EXAMINATION, NOVEMBERIDECEMBER 2013.
Fourth Semester
Electronics and Communication Engineering
EC 12511 EC 1304 - ELECTRONIC CIRCUITS - II
(Common to B.E. (Part-Time) Third Semester, Electronics and Communication
Engineering, Regulation 2005) ,
(Regulation 2004/2007)
Time: Three hours
Maximum: 100 marks
Answer ALL questions.
PART A - (10 x 2 = 20 marks)
1. What is meant by negative feedback?
2. Write the expression for the gain of the amplifier with feedback.
3. State Barkhausen's criterion for oscillations.
4. State why Crystal oscillators possess high degree of frequency stability.
5. What is Stagger tuning?
6. What do you mean by synchronously tuned amplifier?
7. Define Duty cycle.
8. Draw the output waveform of Schmitt trigger for sinusoidal input.
9. State the applications of Pulse Transformer.
10. What is Blocking oscillator? Why is it so called?

Attachment :

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