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Analog Electronics Exam Guide

This document is an exam paper for the subject Analog Electronics. It contains 10 questions across 4 units. Question 1 has 10 short answer parts. Questions 2-7 require explanations of electronics concepts. Question 8 requires explaining the advantages of negative feedback and types of feedback. Question 9 requires explaining the Colpitt's oscillator with a circuit diagram. The exam is 3 hours long and carries a maximum of 80 marks.

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Sandeep Kumar
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159 views3 pages

Analog Electronics Exam Guide

This document is an exam paper for the subject Analog Electronics. It contains 10 questions across 4 units. Question 1 has 10 short answer parts. Questions 2-7 require explanations of electronics concepts. Question 8 requires explaining the advantages of negative feedback and types of feedback. Question 9 requires explaining the Colpitt's oscillator with a circuit diagram. The exam is 3 hours long and carries a maximum of 80 marks.

Uploaded by

Sandeep Kumar
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Roll No•.......•••.............

Exam C()de: D-18

Subject Code-6789
8. Sc. EXAMINATION

(Batch 2018 Onwards) .


(First Semester)
ELECTRONICS
CEL-105
Analog Electronics

Time: 3 Hours Maximum Marks : 80

Note : Attempt Five _questions in alL Q. -No. i is


compulsory, attempt any eight parts. Attempt
any four questions from the remaining,
selecting at least one question from each
Unit.

1. (a) What is Schottky diode ? J /J 1 ~.J


V

(b) Explain Static Resistance. ~- ' ~ '1 /


(l,,
(c) What is ·rhermal Runway _?

(3-47-25-1218) J-6789 P.T.o. ·


(d) What is cut off region in tra°:sistor ?
(e) Which type of feedback is commonly
used in amplifiers and why ?
(f) What is Barkhausen Criterion for
Oscillation ?
(g) What is the efficiency of class B
amplifier?
(h) .What is Voltage Gain in Amplifier ?
(i) What is Voltage Regulation ?
G) · Explain the need of-biasing. 2X8=16

Unit I

r.}. (a) .Explain half-wave rectifier in detail_. 10


(b) · Explain Zener and Avalanche breakdown
in detail. 6

3. (a) Explain 1-V characteristics of PN _junction


diode. 8
(b) E~plain the role of shunt capacitor filter
in making ·of power supply. 8

J-6789 i
· Unit II

4. Explain transistor biasing and Stabilization


circuits in detail. J6

/ Write short notes on the following :


(a) Stability and Stability Factor
(b) Load Line and Q Point. 8x2=16

Unit III

6. Explain the frequency response of two stage


RC coupled amplifier. 16

/ (a) Explain h-parameter equivalent circuit. 8


(b) Write short note on Single Stage CE
Amplifier. 8

Unit IV

8. (a) Explain the advantages of negative


feedback._ 8
(b) Explain the concept of feeqback with
types. 8

. / E_xplain Colpitt's oscillator with its circuit


diagram. 16

(3-47-26-1218) J-6789 3 150

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