Download GTU BE/B.Tech 2019 Winter 3rd Sem New 3130305 Advanced Electronics Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 3rd Sem New 3130305 Advanced Electronics Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ? III (New) EXAMINATION ? WINTER 2019
Subject Code: 3130305 Date: 30/11/2019

Subject Name: Advanced Electronics
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.


MARKS

Q.1 (a) Enlist characteristics of Op-Amp. 03
(b) Explain Op-Amp 741 package Style & pin diagram. 04
(c) Design amplifier circuits with following gain and draw output wave form
for input Vin= +1 volt
(1) -5 (2) 2

07

Q.2 (a) Draw & Explain open loop inverting configuration of op-amp. 03
(b) Draw and explain V to I converter circuit. 04
(c)
Design a circuit which can generate output voltage ?? 0
= ?2 ?? 1
+
3
2
?? 2

Where ?? 1
and ?? 2
are the input voltage.
07
OR
(c) Explain Basic Operation of SCR with necessary diagram. 07
Q.3 (a) Give colors of Op-Amp noise with its frequency content. 03
(b) Draw the circuit of the differentiator and its frequency response. 04
(c) Draw and explain integrator circuit. What is the problem of integrator
circuit? How it can be solved?
07
OR
Q.3 (a) Draw the circuit of Instrumentation amplifier. 03
(b) Justify ?Transistor as a switch?. 04
(c) Explain common base configuration of transistor with necessary
equations.
07
Q.4 (a) Enlist type of Op-Amp noise. Explain any one type. 03
(b) Draw a circuit of wide band pass filter and its frequency response. 04
(c) Design a low-pass filter at a cutoff frequency of 1 KHz with passband
gain of 1
07
OR
Q.4 (a) Explain positive fixed voltage regulator IC. 03
(b) Draw a circuit of wien bridge oscillator. 04
(c) Explain 555 times as a monostable multivibrator. 07
Q.5 (a) Explain basic operation of DIAC and TRIAC. 03
(b) Explain the basic structure, operation and breakover characteristics of
schockley diode.
04
(c) Explain operation of Class A amplifier. 07
OR

Q.5 (a) Explain Passive RC high pass filter. 03
(b) Explain the working of Electromagnetic relay with schematics. 04
(c) Design a phase shift oscillator for frequency 2KHz. 07

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