Download GTU BE/B.Tech 2019 Winter 5th Sem Old 151003 Integrated Circuits And Applications Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 5th Sem Old 151003 Integrated Circuits And Applications Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?V (Old) EXAMINATION ? WINTER 2019
Subject Code: 151003 Date: 25/11/2019

Subject Name: Integrated Circuits And Applications
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) Define Following terms
(i) Output Offset voltage (ii) Input Offset voltage
(iii) Input Bias Current (iv) Input Offset current
(v) CMRR (vi) SVRR
(vii) Slew Rate

07
(b) Draw the circuit of Voltage shunt feedback using Op. Amp. and derive the
equation of Close Lop Gain Af and Input Impedance Rif.
07

Q.2 (a) Classify the IC based on fabrication technique. Also Explain different IC
packages of Op. Amp.
07
(b) Explain Differential Amplifier using one Op. Amp. and derive the equation of
differential gain AD.
07
OR
(b) The 741C Op Amp is connected in Non inverting mode having following
parameters R1 = 1 K?, Rf = 10 K? , A = 2,00,000 ,Ri = 2 M? , Ro = 75 ? , f
= 5 Hz
Supply voltage = ? 15 volt ,Output voltage swing = ? 13 volt
Then compute the value of : Af , Rif , Rof , fF , VooT
07

Q.3 (a) Explain Op. Amp. AC Amplifier using single power supply. 07
(b) Explain Op. Amp. Peaking Amplifier in detail. 07
OR
Q.3 (a) Explain Voltage to current converter
i. With floating load
ii. With Grounded load
07
(b) Explain Absolute value output circuit in detail. 07

Q.4 (a) Draw the Differentiator circuit and derive the equation of output voltage. Also
draw practical differentiator circuit and frequency response.
07
(b) Explain Sample & Hold circuit in detail with necessary waveform. 07

OR
Q.4 (a) Draw the circuit for Square wave generator and explain it?s working with
necessary waveforms and equation.
07
(b) Explain Differential input and differential output amplifier and derive equation
of output voltage.
07

Q.5 (a) Draw the circuit of first order Butter worth High Pass filter and explain it with
necessary equation. Also draw it,s frequency response.
07
(b) Draw the block diagram of Voltage Controlled Oscillator (VCO) and explain
it?s working.
07
OR

Q.5 (a) Explain positive and negative Three Terminal Voltage Regulators. 07
(b) Draw the circuit diagram of Astable multivibrator using IC 555 and explain
it?s working with necessary waveform and equations.
07

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