B.TechSemester 72024-25Filter DesignKOE071

Filter Design (KOE071) - AKTU Question Paper 2024-25

B.Tech · Semester 7 · Free PDF Download

This is the official AKTU Filter Design Previous Year Question Paper for B.Tech Semester 7, 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 7

Session:2024-25

University:AKTU / UPTU

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Questions Asked in 2024-25

Filter Design (KOE071) — complete question paper · 100 marks · 3 Hours

Section AAttempt all questions in brief. 2 x 10 = 20

a
Define the term Analog Filter. 1 1
b
Differentiate between circuit simulation and circuit modeling. 1 2
c
Define bilinear transfer function. 2 1
d
Define Bode plot. 2 1
e
Define design parameters for a second-order low-pass filter 3 1
f
Illustrate the function of integ rators in second-order filter design. 3 2
g
Define Butterworth pole locati on for a second-order filter. 4 1
h
Define the Chebyshev polynomial. 5 1 i. Define voltage feed-forward. 4 1 j. Define Cauer filters. 5 1

Section BAttempt any three of the following: 10 x 3 = 20

a
Apply the concept of feedback to design a voltage follower c ircuit. 1 3
b
Implement a first-order activ e filter using an operational amplifier. 2 3
c
Design a second-order low-pass filter for a specified cutoff frequency. 3 3
d
Demonstrate how cascade design is used in filter implementat ion by outlining the steps to create a multi-stage Butterworth filter
e
Analyze the characteristics of an inverse Chebyshev filter a nd explain how it differs from a standard Chebyshev filter

Section CAttempt any one part of the following: 10 x 1 = 10

a
Analyse the impact of scaling on circuit parameters such as resistance and capacitance. Examine the differences between descriptive an d functional terminology in filter design
b
Analyse the effect of resistiv e feedback on op-amp performan ce. Explain the block diagram of an operational amplifier with feedback
a
Explain the working of non-i nverting operational amplifiers. Also give its applications
b
Explain with suitable example; how you can convert a low pas s filter into a band stop filter using frequency transformation?
a
Analyze the effect of increasing the quality factor Q on the frequency response of a second-order band-pass circuit. How does this inf luence the bandwidth and peak gain?
b
For a biquad circuit designed as a notch filter, analyze the placement of poles and zeros in the s-plane and their impact on the frequency response
a
Explain the frequency warping in Bilinear transformation 4 3
b
Apply your understanding of filte rs to describe how arbitrar y transmission zeros are implement ed and their practical signific ance in filter design
a
Analyze the trade-offs between using a maximally flat (Butte rworth) response and an equal-ripple (Che byshev Type I) response in ter ms of filter design for a high-precision audio application
b
Given a set of filter specifications, analyze the design pro cess for a Cauer filter. How does the inter action of passband ripple, stop band attenuation, and pole-zero placement determine the overall response?

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.