B.TechSemester 42023-24Analog Electronics CircuitsBOE408

Analog Electronics Circuits (BOE408) - AKTU Question Paper 2023-24

B.Tech · Semester 4 · Free PDF Download

This is the official AKTU Analog Electronics 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 Electronics Circuits (BOE408) — complete question paper · 70 marks · 3 Hours

Section AAttempt all questions in brief. 2 x 7 = 14

a
What are the primary functions of a diode in electronic circuits?
b
Define the terms voltage amplifier, current amplifier
c
Explain the concept of gain margin and phase margin in amplifier stability
d
Provide an example of a non-sinusoidal oscillator
e
What does CMRR stand for in differential amplifiers?
g
List the ideal characteristics of op-amp

Section BAttempt any three of the following: 7 x 3 = 21

a
Describe the fixed bias configuration for a BJT amplifier and discuss its advantages and disadvantages
b
What is a cascode amplifier? Explain its structure and operation
c
Define an oscillator. Explain the Barkhausen criterion for sustained oscillations in an oscillator circuit. In a RC phase-shift oscillator, R = 100 kΩ and C = 600pF Find the frequency of oscillation of the oscillator
d
Explain the principle of operation of a differential amplifier. How does it amplify the difference between two input voltages?
e
Explain the working principle of an inverting amplifier using an Op -Amp. Derive the expression for its gain. Design an inverting amplifier using op-amp with a gain of -5 and input resistance of 10 kΩ

Section CAttempt any one part of the following: 7 x 1 = 7

a
Explain the common-emitter (CE) configuration for a BJT amplifier. What are its key characteristics?
b
Describe the purpose of biasing in transistor amplifiers. Explain the self - biasing method in FET amplifiers
a
Describe the operation and typical applications of Class C amplifiers
b
Explain how voltage series feedback affects the gain and bandwidth of an amplifier
a
Explain the working principle of a Wien bridge oscillator. Discuss its advantages and limitations
b
Describe the Hartley oscillator circuit. How does it generate oscillations?
a
Describe the design considerations for gain stages in an op -amp circuit. How is stability ensured in high-gain applications?
b
Explain the basic topology of a current mirror. Draw its circuit diagram and explain its operation
a
What is a summing amplifier? Find the output for the given figure
b
Design a precision full-wave rectifier circuit and explain its operation

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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