# Download GTU B.Tech 2020 Summer 4th Sem 3141002 Analog Circuit Design Question Paper

Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Summer 4th Sem 3141002 Analog Circuit Design Previous Question Paper

Seat No.: ________
Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER? IV EXAMINATION ? SUMMER 2020
Subject Code: 3141002 Date:26/10/2020
Subject Name: Analog Circuit Design
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.

MARKS
Q.1 (a) List ideal characteristics of OP-AMP.
03

(b) Define following terms.
04
Slew Rate, CMRR, SVRR, I/P offset voltage.

(c) Explain inverting differentiator circuit using OP-AMP.
07

Q.2 (a) Derive gain expression for voltage series F/B amplifier using OP-AMP.
03

(b) Explain window detector using OP-AMP.
04

(c) Write and explain differential amplifier using two OP-AMP.
07

OR

(c) Explain Schmitt trigger circuit operation using OP-AMP.
07

Q.3 (a) Explain circuit made up of OP-AMP that does subtraction.
03

(b) Explain All pass filter using OP-AMP.
04

(c) Explain chebyshev filter using OP-AMP with derivations.
07

OR

Q.3 (a) Define following terms.
03
Lock Range for PLL, Capture Range for PLL, Frequency Stability for
Oscillators.

(b) Explain class B push pull power amplifier.
04

(c) Draw and explain triangular wave generator using OP-AMP.
07

Q.4 (a) Explain I to V converter using OP-AMP.
03

(b) Explain phase shift oscillator using OP-AMP in detail.
04

(c) Explain CE short-circuit current gain including resistive load RL.
07

OR

Q.4 (a) Explain voltage limiter circuit using OP-AMP with suitable example.
03

(b) Draw and ex
plain class A power amplifier.
04

(c) Derive expression for trans-conductance gm in Hybrid ? model.
07

Q.5 (a) Design Monstable multivibrator for TP = 11 millisecond, take C = 0.01
03

(b) Explain PLL using functional block diagram.
04

(c) Explain 555 A-stable multivibrator.
07

OR
Q.5 (a) Write short note on adjustable voltage regulator.
03
(b) Design A-stable multivibrator using IC 555 for Ton = 50% of T, take F= 1
04