Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Summer 4th Sem 3141706 Analog Signal Processing Previous Question Paper

Enrolment No.___________

**GUJARAT TECHNOLOGICAL UNIVERSITY**

**BE - SEMESTER? IV EXAMINATION ? SUMMER 2020**

**Subject Code: 3141706**

**Date:26/10/2020**

**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)**Define Following terms:

**03**

1. CMRR

2. SVRR

3. Slew Rate

**(b)**Draw and explain in brief the internal block diagram of an

**04**

Op-Amp.

**(c)**Derive the equation of voltage gain of differential

**07**

amplifier using one Op-Amp (Closed loop configuration)

with its circuit diagram.

**Q.2 (a)**Draw and explain Voltage follower circuit using an Op-

**03**

Amp.

**(b)**Explain Bandwidth and Total output offset voltage for

**04**

Inverting Amplifier with feedback.

**(c)**Derive the equation of voltage gain of Non-Inverting

**07**

Summing amplifier using an Op-Amp with its circuit

diagram.

**OR**

**(c)**Draw and explain Voltage to Current converter with

**07**

floating load using an Op-Amp.

**Q.3 (a)**Explain Subtractor circuit using an Op-amp.

**03**

**(b)**Explain Zero Crossing detector circuit using an Op-Amp

**04**

with input/output waveforms.

**(c)**Explain Practical Differentiator circuit using an Op-Amp

**07**

with

its circuit diagram. Frequency response, input/output

waveforms.

**OR**

**Q.3 (a)**Draw and Explain Voltage limiter circuit using an Op-

**03**

Amp.

**(b)**Draw and explain Sample and Hold circuit using an Op-

**04**

Amp.

**(c)**Draw Op-amp based full wave rectifier (absolute value

**07**

output) circuit. Explain its working with necessary

input/output waveforms.

**Q.4 (a)**Design + 5V power supply using 7805 with its circuit

**03**

diagram

**(b)**Explain adjustable voltage regulator using LM 317.

**04**

1

**(c)**Explain Instrumentation Amplifier using three Op-Amp

**07**

Configuration and also derive the equation for the output

voltage.

**OR**

**Q.4 (a)**Explain Voltage controlled Oscillator (VCO) using IC

**03**

566.

**(b)**Draw and explain Square wave generator circuit using an

**04**

Op-Amp.

**(c)**Explain Successive Approximation type Analog to Digital

**07**

**Q.5 (a)**Explain All Pass filter.

**03**

**(b)**Draw and explain Programmable Gain Amplifier.

**04**

**(c)**Explain first order Low pass Butterworth Active filter

**07**

with circuit diagram and derivation of its transfer function.

**OR**

**Q.5 (a)**Explain Notch filter with its circuit diagram and necessary

**03**

waveforms.

**(b)**Explain Ramp Generator circuit using 555 timer in

**04**

Astable mode operation.

**(c)**Explain Monostable operation of 555 timer with its

**07**

internal block diagram with its output voltage and

capacitor voltage waveforms.

*****************

2

This post was last modified on 04 March 2021