B.TechSemester 42022-23Electronics EngineeringKOE048

Electronics Engineering (KOE048) - AKTU Question Paper 2022-23

B.Tech · Semester 4 · Free PDF Download

This is the official AKTU Electronics Engineering Previous Year Question Paper for B.Tech Semester 4, academic session 2022-23. 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:2022-23

University:AKTU / UPTU

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Questions Asked in 2022-23

Electronics Engineering (KOE048) — complete question paper

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

b
What you mean by Doping
c
Explain the principle of operation of LED
d
What is meant by voltage multiplier?
e
Define Threshold Voltage for an E-MOSFET
f
Define transconductance of JFET
g
Explain the concept of Virtual ground in an OPAMP
h
Draw the structure of Integrator using OP-AMP. (i) What are the applications of CRO? (j) For what purpose, digital multimeter are used?

Section BAttempt any three of the following: 10 x 3 = 30

a
Draw & explain the V-I characteristic of a P-N junc tion diode. Also describe the effect of Temperature on the V-I characteristic of a P-N junction diode
b
Explain principle of operation and construction of Varacter diode. Draw its V-I characteristic
c
With help of a well labeled diagram, discuss input and output characteristics of a bipolar junction transistor in common base configuration. Also indicate all the regions of operation
d
Explain unity gain OPAMP. With suitable circuit dia gram obtain the expression for integrator and differentiator OPAMP
e
Draw and explain the block diagram of Ramp type dig ital voltmeter. Also draw related voltage to time conversion waveforms

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

a
Explain how a barrier potential is developed at the P-N junction
b
Draw and explain the circuit diagram for negative a nd positive clamper circuits with input and output waveforms
a
Explain principle of operation and construction of Tunnel diode. Draw its V-I characteristic
b
Draw the circuit and discuss the working of full wa ve bridge rectifier with suitable input -output waveforms. What is PIV of bridge rectifier?
a
Draw the circuit of transistor in the CE configuration. Sketch the output characteristic. Indicate the Active, saturation region and cut-off region. Explain each region in detail
b
Draw and explain the construction and working of p- channel depletion type MOSFET. Also draw the characteristics of p-channel depletion type MOSFET
a
For the op-amp shown in figure , find the values of R 1 and R 2 for the output to be V 0 =
b
Explain the non-inverting summing amplifier with circuit diagram
a
Describe the operation of CRT with neat block diagr am. How unknown frequency is measured using CRO?
b
Compare DSO with analog oscilloscope

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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