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Roll No.
Total No. of Pages : 02
Total No. of Questions : 09
B.Tech.(EIE) (2011 & Onwards) (Sem.?4)
ANALOG ELECTRONICS/APPLIED ELECTRONICS
Subject Code : EC-202
M.Code : 57510
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1.
SECTION-A is COMPULSORY consisting of TEN questions carrying T WO marks
each.
2.
SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3.
SECTION-C contains T HREE questions carrying T EN marks each and students
have to attempt any T WO questions.




SECTION-A
1)
Write briefly :

A) Explain Miller effect.

B) Can Zener diode act as voltage regulator?

C) Define transistors. Explain the early effects in transistor.

D) Explain gain margin.

E) Describe multi stage amplifier.

F) Define PIV of di www.FirstRanker.com
ode in a rectifier circuits.

G) Explain why two transistors are used in Wein bridge oscillator?

H) What is Hartley oscillator?

I) Explain the T model of a bipolar transistor.

J) What is negative bandwidth in an amplifier?
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SECTION-B
Q2 Explain RC phase shift oscillator and its output frequency of oscillation.
Q3 How cross over distortion be minimized. Explain?
Q4 Explain the components of current in an NPN transistor.
Q5 Elaborate class B push- pull amplifier and sketch its circuits.
Q6 Describe the effect of negative feedback on the bandwidth and distortion in an amplifier.

SECTION-C
Q7 Describe tuned amplifier. Its merits and applications.
Q8 Explain sustained oscillation in LC oscillator.
Q9 Write a short note on :

A) Hybrid pi CE transistor model

B) Oscillator

C) Amplifier



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NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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