Download GTU B.Tech 2020 Summer 4th Sem 2141706 Analog Signal Processing Question Paper

Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Summer 4th Sem 2141706 Analog Signal Processing Previous Question Paper

Seat No.: ________
Enrolment No.___________


GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER? IV EXAMINATION ? SUMMER 2020
Subject Code: 2141706 Date:29/10/2020
Subject Name: ANALOG SIGNAL PROCESSING
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) Draw only symbol and block diagram of op-amp.
03

(b) Enlist Ideal characteristics of an Op-Amp.
04

(c) Explain the following terms: (i) Input offset voltage (ii) Differential Input
07
resistor (iii) CMRR (iv) SVRR (v) output voltage swing (vi) Large signal
voltage gain (vii) Input bias current.


Q.2
(a) Explain Voltage to Current Converter with Floating Load.
03

(b) Draw an op-amp based differential amplifier circuit and obtain
04
expression for its differential gain.

(c) Explain summing, scaling and averaging amplifier using Non-inverting
07
configuration of operational amplifier.


OR


(c) Derive the gain formula of Voltage shunt amplifier.
07
Q.3
(a) Explain Positive Clamper circuit.
03

(b) Draw the circuit: 1. Wide band Pass filter and 2. Narrow band pass
04
filters.

(c) What is DAC? Draw and explain binary weighted resistor DAC.
07


OR

Q.3
(a) Explain Positive clipper circuit.
03

(b) Draw the circuit diagram: (1) All pass filter. (2) High pass filter.
04

(c) Explain integrator circuit along with circuit diagram.
07
Q.4
(a) What is the offset-minimizing resistor ROM?
03

(b) Explain the offset voltage compensating network for non-inverting
04
amplifier.

(c) Explain ba
sic differentiator and practical differentiator circuit in detail.
07

OR

Q.4
(a) Draw oscillator bock diagram and write principles.
03

(b) Explain the Phase shift oscillator.
04

(c) Explain Instrumentation amplifier using three op-amps for resistive
07
transducer and bridge.
Q.5
(a) Explain Logarithmic amplifier.
03

(b) Explain Wien bridge oscillator.
04

(c) Draw and explain the 555 timer pin connection diagram and block
07
diagram.


OR
Q.5
(a) Explain in brief: Schmitt trigger circuit.
03
(b) Draw and explain the working of isolation amplifier.
04
(c) Explain the working of 555 timers as an astable multivibrator with block
07
diagram and waveforms.


1

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