Enrolment No.
GUJARAT TECHNOLOGICAL UNIVERSITY FirstRanker.com
BE - SEMESTER-V (Old) EXAMINATION — WINTER 2019
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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:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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Q.1 (a) Define Following terms [07]
- Output Offset voltage
- Input Offset voltage
- Input Bias Current
- Input Offset current
- CMRR
- SVRR
- Slew Rate
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(b) Draw the circuit of Voltage shunt feedback using Op. Amp. and derive the equation of Close Loop Gain Ar and Input Impedance Ris. [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 Ap. [07]
OR
(b) The 741C Op Amp is connected in Non inverting mode having following parameters R1 =1 KO, Rf=10 KO, A =2,00,000 Ri=2MO,Ro=75O, f =5Hz Supply voltage = + 15 volt ,Output voltage swing =+ 13 volt Then compute the value of : Ar, Rir, Rof, fF, VooF [07]
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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 [07]
- With floating load
- With Grounded load
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(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
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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
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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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