B.TechSemester 42023-24Analog CircuitsBEC402

Analog Circuits (BEC402) - AKTU Question Paper 2023-24

B.Tech · Semester 4 · Free PDF Download

This is the official AKTU Analog Circuits Previous Year Question Paper for B.Tech Semester 4, academic session 2023-24. 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:2023-24
University:AKTU / UPTU

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Questions Asked in 2023-24

Analog Circuits (BEC402) — complete question paper · 70 marks · 3 Hours

Section AAttempt all questions in brief. 2 x 7 = 14
  • a
    Define voltage amplifier and its primary characteristics
  • b
    How is the voltage gain of an amplifier estimated?
  • c
    How does feedback affect the gain of an amplifier?
  • d
    Explain the basic concept of an oscillator
  • e
    What is the maximum usable lo ad in a current mirror circuit?
  • f
    Define Common Mode Rejection Ratio (CMRR)
  • g
    Define Class A operation in amplifiers
Section BAttempt any three of the following: 7 x 3 = 21
  • a
    Draw and explain circuit model of current amplifier
  • b
    Describe the current series feedback topology. Calculate the voltage gain , input and output resistance of v oltage series feedback amplif ier having Av =300 , Ri=1.5 kΩ, Ro = 50 kΩ and β = 1/15
  • c
    Discuss the Barkhausen criteri on for oscillation in detail. Explain how this criterion is used to design oscillator circuits
  • d
    Explain the concept of a differential amplifier. Describe it s basic structure and principle of operation
  • e
    Explain the working principle of an integrator circuit using an op-amp. Also derive its output voltage
Section CAttempt any one part of the following: 7 x 1 = 7
  • a
    Explain trans-resistance amplifier circuit in detail
  • b
    Discuss small sig nal operation in BJT
  • a
    Explain the frequency response of the common emitter configuration
  • b
    Discuss the effect of phase m argin and gain margin on stability
  • a
    Explain the operation of a Wie n bridge oscillator. calculate t h e frequency of oscillation for given values of R 1 and R2 =200 kΩ , C 1 and
  • b
    Describe the construction and working of a Hartley oscillato r. Explain how the inductive feedback network is used to generate oscillat ions
  • a
    Explain the term Input Common Mode Range (ICMR) and its significance in differential amplifier design
  • b
    Explain the concept of compensation in op-amp design. Discus s the different methods of compensation and their impact on the stabi lity and performance of the op-amp
  • a
    Discuss the design and application of a summing amplifier us ing an op- amp
  • b
    Explain Class B operation in amplifiers

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.

Repeated Questions — BEC402

Questions that appeared in more than one session, found by comparing 3 years of Analog Circuits papers (2023-24, 2024-25, 2025-26)

2x

How does feedback affect the gain of an amplifier?

Appeared in: 2023-24 · 2025-26

2x

Describe the current series feedback topology. Calculate the voltage gain , input and output resistance of v oltage series feedback amplif ier having Av =300 , Ri=1.5 kΩ, Ro = 50 kΩ and β = 1/15

Appeared in: 2023-24 · 2025-26

2x

Explain the operation of a Wie n bridge oscillator. calculate t h e frequency of oscillation for given values of R 1 and R2 =200 kΩ , C 1 and

Appeared in: 2023-24 · 2025-26

2x

Explain the term Input Common Mode Range (ICMR) and its significance in differential amplifier design

Appeared in: 2023-24 · 2025-26

Analog Circuits — Other Year Papers

AKTU Analog Circuits PYQs from other sessions