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) — extracted question text · 70 marks · 3 Hours
Section AAttempt all questions in brief. 02 x 7 = 14
- aDefine Transconductance and Tran s-resistance Amplifiers
- bDraw T-model equivalent circu it of NPN transistor
- cExplain Bakhausen criterion
- dWhat is the principle of crystal oscillator?
- eDefine minimum sustainable volta ge and maximum usable load of a Current mirror Circuits
- fWhat do you mean by slew rate and CMRR of an Op-Amp?
- gA 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
- aDraw the circuit diagram of single stage CE amplifier using hybrid-π model and find out the expression of ie, gm and ib
- bDesign a shunt-series feedba ck amplifier and calculate expre ssions for Af, Rof and Rif
- cExplain the working of Wien Bridge Oscillator. Derive the ex pression for feedback factor (β) and frequency (f)
- dCalculate the output voltages of the given differential amplifier
- eDesign 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
- aDraw the circuit diagram of single stage CC amplifier using T-model and find out the expression of voltage gain
- bS 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
- aDraw the high frequency model of MOSFET and drive an express ion of
- bDesign a series-series feedback amplifier and calculate expr essions for Af, Rof and Rif
- aDraw the circuit of an RC phase shift oscillator using op-am p and derive frequency and condition of oscillation for RC phase shift oscillator
- bFor the Hartley Oscillator, derive an expression for the fre quency of oscillation
- aDraw the basic structure of d ifferential amplifier and calcu lation the differential gain, common mode gain and CMRR
- bCalculate the current I through each of the transistor Q2 and Q3 in the given circuit
- aExplain the effect of finite loop gain and bandwidth on the performance of Op-Amp. Also define input offset voltage and input offset current
- bFind 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. Check the original PDF for equations, diagrams and complete wording. Extracted: 2026-08-23.
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