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) — extracted question text · 70 marks · 3 Hours
Section AAttempt all questions in brief. 2 x 7 = 14
- aDefine voltage amplifier and its primary characteristics
- bHow is the voltage gain of an amplifier estimated?
- cHow does feedback affect the gain of an amplifier?
- dExplain the basic concept of an oscillator
- eWhat is the maximum usable lo ad in a current mirror circuit?
- fDefine Common Mode Rejection Ratio (CMRR)
- gDefine Class A operation in amplifiers
Section BAttempt any three of the following: 7 x 3 = 21
- aDraw and explain circuit model of current amplifier
- bDescribe 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
- cDiscuss the Barkhausen criteri on for oscillation in detail. Explain how this criterion is used to design oscillator circuits
- dExplain the concept of a differential amplifier. Describe it s basic structure and principle of operation
- eExplain 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
- aExplain trans-resistance amplifier circuit in detail
- bDiscuss small sig nal operation in BJT
- aExplain the frequency response of the common emitter configuration
- bDiscuss the effect of phase m argin and gain margin on stability
- aExplain 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
- bDescribe the construction and working of a Hartley oscillato r. Explain how the inductive feedback network is used to generate oscillat ions
- aExplain the term Input Common Mode Range (ICMR) and its significance in differential amplifier design
- bExplain 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
- aDiscuss the design and application of a summing amplifier us ing an op- amp
- bExplain Class B operation in amplifiers
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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