B.TechSemester 52024-25Integrated CircuitsBEC501

Integrated Circuits (BEC501) - AKTU Question Paper 2024-25

B.Tech · Semester 5 · Free PDF Download

This is the official AKTU Integrated Circuits Previous Year Question Paper for B.Tech Semester 5, 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 5

Session:2024-25

University:AKTU / UPTU

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Questions Asked in 2024-25

Integrated Circuits (BEC501) — complete question paper · 70 marks · 3 Hours

Section AAttempt all questions in brief. 2 x 07 = 14

a
Write the limitations of integrated circuits. 1 1
b
Draw a non-inverting amplifier with voltage gain of 5. 1 1
c
State the applications of V to I converter and I to V converter. 2 2
d
Define notch filter. 2 1
e
List the applications of sample and hold circuit. 3 1
f
Explain CMOS circuit logic. 4 2
g
Define lock-in & capture range of PLL. 5 1

Section BAttempt any three of the following: 07 x 3 = 21

a
Calculate the overall volta ge gain provided by IC 741 after drawing the small signal models of each stage
b
Derive the expression of voltage gain in KHN Biquad Filter. Draw the KHN Biquad filter and derive the transfer function of the BPF and LPF from KHN Biquad filter
c
Explain in detail about the m ethods of frequency compensation used in operational amplifiers
d
Sketch the CMOS logic circuit implementation of the given ex pression
e
Draw and explain the working prin ciple of op-amp based voltage controlled oscillator circuit

Section CAttempt any one part of the following: 07 x 1 = 07

a
How the short circuit protecti on is achieved in the output s tage of 741 op-amp? Draw and explain the frequency response of IC 741
b
Explain Wilson current mirror and Widlar current source with circuit diagram. Also discuss advantages of Widlar current source
a
Explain the principle of Instr umentation amplifier and derive the gain for that circuit. Give its applications
b
Explain the operation of a triangular wave generator by draw ing the capacitor and output voltage waveforms
a
Explain in detail about the methods of frequency compensation used in operational amplifiers
b
Derive expression for log and anti-log amplifiers with diagr ams
a
Sketch CMOS implementation of J-K Flip-flop and explain its operation. Also discuss the limitations of J-K flip flop
b
Realize following 2 input logic gates using CMOS (i) NAND (ii) EX-OR (ii) NOR
a
(i) Draw the circuit of monostable multivibrator using IC 555 timer. (ii)Design an astable multivibrator using 555 timer to provide an output signal frequency of 2 KHz and 75 % duty cycle with block diagram.(Consider C=0.1F)
b
Explain with a schematic how a PLL can be used as (i) Frequency multiplier (ii) Frequency translator

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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