Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 4th Sem New 2142405 Analog Electronics And Its Applications Previous Question Paper
1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?IV (NEW) EXAMINATION ? WINTER 2018
Subject Code:2142405 Date:28/11/2018
Subject Name:Analog Electronics and Its Applications
Time: 02:30 PM TO 05:00 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) Define followings.
(1) PIV (2) Q- point (3) Noise Figure.
03
(b) Define the following.
(i) CMRR (ii) PSRR (iii) Slew Rate (iii) Noise
04
(c) Draw an IC OP Amp in block diagram form. Identify each
stage by function.
07
Q.2 (a)
Draw Equivalent Circuit of OP-amp.
03
(b)
Enlist Ideal Op-Amp characteristics.
04
(c) Compare CE, CB, and CC configuration in tabular form. 07
OR
(c) Draw & Explain Full wave Bridge Rectifier circuit. Also derive
expression for output frequency.
07
Q.3 (a) State the advantages of TTL. 03
(b) Explain the construction of AND logic gates using discrete
components like diode, resistor, Transistor etc.
04
(c) Explain working of successive approximation ADC with
suitable numerical example.
07
OR
Q.3 (a)
Explain in brief Zero Crossing Detector.
03
(b) What is need of Schmitt trigger circuit? Enlist & explain
comparator characteristics.
04
(c) Compare DTL, TTL & RTL in tabular forms. 07
Q.4 (a) Explain in brief block diagram of linear regulated power
supplies.
03
(b) Write a technical note on: Negative Impedance converter. 04
(c) Explain bistable multivibrator using 555. Give necessary
equations and draw neat figures and waveforms.
07
OR
Q.4 (a) Explain 78xx and 79xx voltage regulators. 03
(b) Compare AC and DC equivalent circuit. 04
(c) Explain with neat sketches F/V converter. 07
Q.5 (a) A single stage transistor amplifier has a voltage gain of 600
without feedback and 50 with feedback, calculate the
percentage of output which is feedback to input.
03
(b) Explain Switched Capacitor Filter circuit in detail. 04
(c) Draw and Explain single stage CE amplifier circuit. What is
role of CE, Cc, and Cin in single stage CE amplifier circuit?
07
www.FirstRanker.com www.FirstRanker.com
www.FirstRanker.com
FirstRanker.com - FirstRanker's Choice
www.FirstRanker.com
1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?IV (NEW) EXAMINATION ? WINTER 2018
Subject Code:2142405 Date:28/11/2018
Subject Name:Analog Electronics and Its Applications
Time: 02:30 PM TO 05:00 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) Define followings.
(1) PIV (2) Q- point (3) Noise Figure.
03
(b) Define the following.
(i) CMRR (ii) PSRR (iii) Slew Rate (iii) Noise
04
(c) Draw an IC OP Amp in block diagram form. Identify each
stage by function.
07
Q.2 (a)
Draw Equivalent Circuit of OP-amp.
03
(b)
Enlist Ideal Op-Amp characteristics.
04
(c) Compare CE, CB, and CC configuration in tabular form. 07
OR
(c) Draw & Explain Full wave Bridge Rectifier circuit. Also derive
expression for output frequency.
07
Q.3 (a) State the advantages of TTL. 03
(b) Explain the construction of AND logic gates using discrete
components like diode, resistor, Transistor etc.
04
(c) Explain working of successive approximation ADC with
suitable numerical example.
07
OR
Q.3 (a)
Explain in brief Zero Crossing Detector.
03
(b) What is need of Schmitt trigger circuit? Enlist & explain
comparator characteristics.
04
(c) Compare DTL, TTL & RTL in tabular forms. 07
Q.4 (a) Explain in brief block diagram of linear regulated power
supplies.
03
(b) Write a technical note on: Negative Impedance converter. 04
(c) Explain bistable multivibrator using 555. Give necessary
equations and draw neat figures and waveforms.
07
OR
Q.4 (a) Explain 78xx and 79xx voltage regulators. 03
(b) Compare AC and DC equivalent circuit. 04
(c) Explain with neat sketches F/V converter. 07
Q.5 (a) A single stage transistor amplifier has a voltage gain of 600
without feedback and 50 with feedback, calculate the
percentage of output which is feedback to input.
03
(b) Explain Switched Capacitor Filter circuit in detail. 04
(c) Draw and Explain single stage CE amplifier circuit. What is
role of CE, Cc, and Cin in single stage CE amplifier circuit?
07
www.FirstRanker.com www.FirstRanker.com
www.FirstRanker.com
www.FirstRanker.com
2
OR
Q.5 (a) What is Barkhausen criterion? The tuned collector oscillator
makes use of an L-C tuned circuit with L= 29.3?H and C=450pF.
determine frequency of oscillation.
03
(b) List out the advantages of negative feedback. 04
(c) Explain Summing, Scaling and Averaging Amplifier circuit
with necessary equation and neat sketches.
07
*************
www.FirstRanker.com www.FirstRanker.com
www.FirstRanker.com
FirstRanker.com - FirstRanker's Choice
This post was last modified on 20 February 2020