B.TechSemester 42024-25Analog CircuitsBEC402

Analog Circuits (BEC402) - AKTU Question Paper 2024-25

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 2024-25. 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:2024-25
University:AKTU / UPTU

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Questions Asked in 2024-25

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

Section AAttempt all questions in brief. 02 x 7 = 14
  • a
    Define Transconductance and Tran s-resistance Amplifiers
  • b
    Draw T-model equivalent circu it of NPN transistor
  • c
    Explain Bakhausen criterion
  • d
    What is the principle of crystal oscillator?
  • e
    Define minimum sustainable volta ge and maximum usable load of a Current mirror Circuits
  • f
    What do you mean by slew rate and CMRR of an Op-Amp?
  • g
    A BJT having β = 100 is biased at a dc collector current of 1 mA. Find the value of gm and re
Section BAttempt any three of the following: 07 x 3 = 21
  • a
    Draw the circuit diagram of single stage CE amplifier using hybrid-π model and find out the expression of ie, gm and ib
  • b
    Design a shunt-series feedba ck amplifier and calculate expre ssions for Af, Rof and Rif
  • c
    Explain the working of Wien Bridge Oscillator. Derive the ex pression for feedback factor (β) and frequency (f)
  • d
    Calculate the output voltages of the given differential amplifier
  • e
    Design the following circuits using op-Amp: i) Unity gain amplifier ii) Integrator circuit
Section CAttempt any one part of the following: 07 x 1 = 07
  • a
    Draw the circuit diagram of single stage CC amplifier using T-model and find out the expression of voltage gain
  • b
    S h o w t h e e f f e c t o f m u l t i s t a g e a m p l i f i c a t i o n i n l o w a n d h i g h frequency applications
  • a
    Draw the high frequency model of MOSFET and drive an express ion of
  • b
    Design a series-series feedback amplifier and calculate expr essions for Af, Rof and Rif
  • a
    Draw the circuit of an RC phase shift oscillator using op-am p and derive frequency and condition of oscillation for RC phase shift oscillator
  • b
    For the Hartley Oscillator, derive an expression for the fre quency of oscillation
  • a
    Draw the basic structure of d ifferential amplifier and calcu lation the differential gain, common mode gain and CMRR
  • b
    Calculate the current I through each of the transistor Q2 and Q3 in the given circuit
  • a
    Explain the effect of finite loop gain and bandwidth on the performance of Op-Amp. Also define input offset voltage and input offset current
  • b
    Find out the output voltage (V o) of the following circuit using ideal Op- Amp

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

Explain Bakhausen criterion

Appeared in: 2024-25 · 2025-26

2x

Define minimum sustainable volta ge and maximum usable load of a Current mirror Circuits

Appeared in: 2024-25 · 2025-26

2x

Design a shunt-series feedba ck amplifier and calculate expre ssions for Af, Rof and Rif

Appeared in: 2024-25 · 2025-26

2x

Design a series-series feedback amplifier and calculate expr essions for Af, Rof and Rif

Appeared in: 2024-25 · 2025-26

Analog Circuits — Other Year Papers

AKTU Analog Circuits PYQs from other sessions