Gujarat Technological UniversitySummer 2026 examination

GTU BE03009011 Analog and Digital Electronics Summer 2026 Question Paper & PDF

B.E. · Electrical Engineering · Semester 3 · Subject code BE03009011
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Total
70 marks
To pass
23 marks (33%)
Duration
2.5 Hours 2:30 PM – 5:00 PM
Questions
5 with internal choice
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Q.1

14 Marks
(a)
3 marks
Define the following terms: Input offset voltage, Input offset current, PSRR.
(b)
4 marks

Draw the equivalent circuit of an operational amplifier and explain the function of each component in the circuit.

(c)
7 marks

Draw the circuit diagram of a practical op-amp integrator. Explain its operation when a step input and a square wave input are applied, and sketch the corresponding output waveform.

Q.2

14 Marks
(a)
3 marks
Explain the concept of virtual Short and virtual ground in op-amp.
(b)
4 marks
Compare combinational and sequential logic circuits.
(c)
7 marks
Describe the working of an instrumentation amplifier with circuit diagram.
(c)
7 marks
Explain the function of inverting comparator circuit using op- amp.

Q.3

14 Marks
(a)
3 marks
Compare Wien bridge oscillator and RC phase shift oscillator.
(b)
4 marks
Define a precision rectifier. Draw its basic circuit diagram and explain it.
(c)
7 marks
List various characteristics of an ideal op- amp.
(a)
3 marks
Compare square wave generator with triangular wave generator.
(b)
4 marks
Define a peak detector circuit. Draw its basic circuit diagram and explain it.
(c)
7 marks
Write a note on Half Adder and Full Adder.

Q.4

14 Marks
(a)
3 marks
Define flip flop, latch and counter.
(b)
4 marks

Classify the various modes of operation of shift registers. explain the serial in serial out operation of shift register.

(c)
7 marks

Reduce following expression using karnaugh map

∑m(0,1,5,7,8)+d(3,4,14,15)\sum m(0, 1, 5, 7, 8) + d(3, 4, 14, 15)

(a)
3 marks
Define Multiplexer, Demultiplexer and Decoder.
(b)
4 marks
Explain 4 - bit asynchronous down counter.
(c)
7 marks

Implement the following function with a multiplexer

F(A,B,C,D)=∑m(0,1,3,4,8,9,15)F(A, B, C, D) = \sum m(0, 1, 3, 4, 8, 9, 15)

Q.5

14 Marks
(a)
3 marks
Define ADC and DAC.
(b)
4 marks
Explain the working of a binary weighted resistor DAC.
(c)
7 marks
Explain dual slope ADC.
(a)
3 marks
List different types of ADCs and DACs used in digital systems.
(b)
4 marks
Explain the working of successive approximation ADC.
(c)
7 marks
Explain the operation of an R - 2R ladder DAC.

More Analog and Digital Electronics papers

Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.

Winter 202570 marks · 5 questions · Solved

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3130905
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About this paper

Official Gujarat Technological University (GTU) examination paper for Analog and Digital Electronics (Summer 2026, B.E. · Electrical Engineering, Sem 3). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.

Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.

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