B.TechSemester 42021-22Analog ElectronicsKOE047
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Analog Electronics (KOE047) - AKTU Question Paper 2021-22

B.Tech · Semester 4 · Free PDF Download

This is the official AKTU Analog Electronics Previous Year Question Paper for B.Tech Semester 4, academic session 2021-22. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech
Semester:Semester 4
Session:2021-22
University:AKTU / UPTU

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Questions Asked in 2021-22

Analog Electronics (KOE047) — complete question paper

Section AAttempt all q u e s t i o n s i n b r i e f . 2x10 = 20
  • a
    What do you mean by amplifier? 1
  • b
    What is the value of gain for emitter follower? 1
  • c
    Define phase margin. 2
  • d
    Discuss the effect of negativ e feedback on input resistance of amplifier. 2
  • e
    Explain Barkhausen cr iterion for oscillation. 3
  • f
    What type of feedback is used in oscillators? 3
  • g
    Define common mode gain. 4
  • h
    Discuss CMRR. 4 (i) Discuss active filters. 5 (j) What do you mean by virtual ground? 5
Section BAttempt any three o f t h e f o l l o w i n g : 1 0 x 3 = 3 0
  • a
    Explain voltage amplifier w ith the help of circuit diagram. 1
  • b
    Illustrate the working of cascode amplifier and its advantage. 2
  • c
    Explain the working of Wein Bridge oscillator. 3
  • d
    Derive expression for gain o f differential amplifier. 4
  • e
    Discuss Band Stop active filter. 5
Section CAttempt any one p a r t o f t h e f o l l o w i n g : 1 0 x 1 = 1 0
  • a
    What is meant by transistor-biasing? Define stability facto r. 1
  • b
    Explain different small signa l performance parameters and h ow they are calculated
  • a
    Explain various feedback topologies. 2
  • b
    Discuss working and effici ency of class AB amplifier. 2
  • a
    Describe Colpitt oscillator. 3
  • b
    Describe Clapp oscillator. 3
  • a
    Explain Wilson current mirror. 4
  • b
    Describe gain stages and output stage in operational amplif ier. 4
  • a
    Explain the working of Precision rectifier. 5
  • b
    Describe the operation of Schmitt trigger. 5

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

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