Download GTU BE/B.Tech 2019 Winter 4th Sem New 2141706 Analog Signal Processing Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 4th Sem New 2141706 Analog Signal Processing Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ? IV (New) EXAMINATION ? WINTER 2019
Subject Code: 2141706 Date: 14/12/2019

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.

Q.1 (a) Draw the pin diagram of op-amp 741 and explain the function of each
pin.
03
(b) Define the following terms:
(i) Common mode rejection ratio (ii) Slew Rate
(iii) Supply voltage rejection ratio (iv) Input offset voltage

04
(c) Draw and explain the Voltage series feedback amplifier (Non-inverting
amplifier with feedback), also derive the equation of close loop voltage
gain.
07
Q.2 (a) Draw and explain the Unity Gain Amplifier. 03
(b) If Ra= Rb=Rc=Rm=2k?, Rf = 3 k?, RL = 5 k? , Va=0.75v, Vb=1v and
Vc=1.25v, Find the value of Vo.


04
(c) Write short note on RC phase shift Oscillator. 07
OR
(c) Write a short note on Wien Bridge oscillator. 07
Q.3 (a) Draw and explain the V-I converter circuit with floating load. 03
(b) Draw and explain the Schmitt trigger circuit with the help of op-amp. 04
(c) Explain differentiator circuit using op-amp in detail. 07
OR
Q.3 (a) Enlist six ideal characteristics of op-amp 741. 03
(b) Short note: Sub-tractor amplifier using op amp. 04
(c) Explain integrator circuit using op-amp in detail. 07
Q.4 (a) Draw and explain the Averaging amplifier. 03
(b) Describe the working of Zero crossing detector. 04
(c) Draw and explain the Successive Approximation type ADC. 07
OR
Q.4 (a) Draw and explain the circuit diagram of the Negative Clipper. 03
(b) Write a short note on instrumentation amplifier using three op-amps. 04
(c) Explain in detail the binary weighted register type D/A converter. 07
Q.5 (a) Explain all - pass filter with necessary diagrams. 03
(b) Draw and explain the circuit diagram of the Positive Clamper. 04
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1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ? IV (New) EXAMINATION ? WINTER 2019
Subject Code: 2141706 Date: 14/12/2019

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.

Q.1 (a) Draw the pin diagram of op-amp 741 and explain the function of each
pin.
03
(b) Define the following terms:
(i) Common mode rejection ratio (ii) Slew Rate
(iii) Supply voltage rejection ratio (iv) Input offset voltage

04
(c) Draw and explain the Voltage series feedback amplifier (Non-inverting
amplifier with feedback), also derive the equation of close loop voltage
gain.
07
Q.2 (a) Draw and explain the Unity Gain Amplifier. 03
(b) If Ra= Rb=Rc=Rm=2k?, Rf = 3 k?, RL = 5 k? , Va=0.75v, Vb=1v and
Vc=1.25v, Find the value of Vo.


04
(c) Write short note on RC phase shift Oscillator. 07
OR
(c) Write a short note on Wien Bridge oscillator. 07
Q.3 (a) Draw and explain the V-I converter circuit with floating load. 03
(b) Draw and explain the Schmitt trigger circuit with the help of op-amp. 04
(c) Explain differentiator circuit using op-amp in detail. 07
OR
Q.3 (a) Enlist six ideal characteristics of op-amp 741. 03
(b) Short note: Sub-tractor amplifier using op amp. 04
(c) Explain integrator circuit using op-amp in detail. 07
Q.4 (a) Draw and explain the Averaging amplifier. 03
(b) Describe the working of Zero crossing detector. 04
(c) Draw and explain the Successive Approximation type ADC. 07
OR
Q.4 (a) Draw and explain the circuit diagram of the Negative Clipper. 03
(b) Write a short note on instrumentation amplifier using three op-amps. 04
(c) Explain in detail the binary weighted register type D/A converter. 07
Q.5 (a) Explain all - pass filter with necessary diagrams. 03
(b) Draw and explain the circuit diagram of the Positive Clamper. 04
2
(c) Explain the monostable multivibrator using 555 timer with its internal
block diagram and its timing waveforms.
07
OR
Q.5 (a) Explain band-pass filter with necessary diagrams. 03
(b) Draw and explain the offset voltage compensating network for non-
inverting amplifier.
04
(c) Explain the astable multivibrator using 555 timer with its internal block
diagram and its timing waveforms.
07

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