Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 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 2018
Subject Code:151003 Date: 27/11/2018
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.
MARKS
Q.1 (a) Explain the internal block diagram of OP-AMP in detail with the
function of each block.
07
(b) Which type of feedback is used in inverting op-amp? Derive exact
expressions for voltage gain, input resistance, output resistance and
bandwidth for inverting op-amp.
07
Q.2 (a) Explain following terms related to op-amp:
1. CMRR, 2. PSRR, 3. Slew Rate, 4. Input offset current, 5. Input offset
voltage.
07
(b) Explain the concept of virtual ground in OP-AMP and why open loop
op-amp configurations are not used in linear application?
07
OR
(b) Explain application of op-amp (Inverting configuration) as summing,
Scaling and averaging circuit.
07
Q.3 (a) Draw and derivation the output voltage in term of input voltage of basic
integrator using an op-amp. What are the Problems associated with this
configuration? How they are overcome?
07
(b) Explain Schimitt trigger circuit along with circuit diagram and
necessary waveforms. State its advantages and applications.
07
OR
Q.3 (a) Explain triangular wave generator circuit. 07
(b) Analyze second order butterworth High Pass filter. Draw its frequency
response and state design procedure.
07
Q.4 (a) Draw and explain Monostable multivibrator using 555 timer IC. 07
(b) Draw the circuit diagram of monostable multivibrator using IC 555.
Calculate the component values if the controlled door should remain
open for 15 secs after a trigger signal is received. The DC voltage
available is 10V.
07
OR
Q.4 (a) Expain opration of Astable multivibrator using IC 555. 07
(b) Design an astable multivibrator for an output frequency of 5 KHz and
duty cycle 40%.Consider C=0.047 ?F.
07
Q.5 (a) What are the different types of voltage regulators? Discuss LM317
based adjustable voltage regulator. Indicate bypass capacitors to
improve transient response and protective diodes in the connection
diagram.
07
(b) State the applications of operational transconductance amplifier and
explain any one with necessary circuit and derivation
OR
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 ?V (OLD) EXAMINATION ? WINTER 2018
Subject Code:151003 Date: 27/11/2018
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.
MARKS
Q.1 (a) Explain the internal block diagram of OP-AMP in detail with the
function of each block.
07
(b) Which type of feedback is used in inverting op-amp? Derive exact
expressions for voltage gain, input resistance, output resistance and
bandwidth for inverting op-amp.
07
Q.2 (a) Explain following terms related to op-amp:
1. CMRR, 2. PSRR, 3. Slew Rate, 4. Input offset current, 5. Input offset
voltage.
07
(b) Explain the concept of virtual ground in OP-AMP and why open loop
op-amp configurations are not used in linear application?
07
OR
(b) Explain application of op-amp (Inverting configuration) as summing,
Scaling and averaging circuit.
07
Q.3 (a) Draw and derivation the output voltage in term of input voltage of basic
integrator using an op-amp. What are the Problems associated with this
configuration? How they are overcome?
07
(b) Explain Schimitt trigger circuit along with circuit diagram and
necessary waveforms. State its advantages and applications.
07
OR
Q.3 (a) Explain triangular wave generator circuit. 07
(b) Analyze second order butterworth High Pass filter. Draw its frequency
response and state design procedure.
07
Q.4 (a) Draw and explain Monostable multivibrator using 555 timer IC. 07
(b) Draw the circuit diagram of monostable multivibrator using IC 555.
Calculate the component values if the controlled door should remain
open for 15 secs after a trigger signal is received. The DC voltage
available is 10V.
07
OR
Q.4 (a) Expain opration of Astable multivibrator using IC 555. 07
(b) Design an astable multivibrator for an output frequency of 5 KHz and
duty cycle 40%.Consider C=0.047 ?F.
07
Q.5 (a) What are the different types of voltage regulators? Discuss LM317
based adjustable voltage regulator. Indicate bypass capacitors to
improve transient response and protective diodes in the connection
diagram.
07
(b) State the applications of operational transconductance amplifier and
explain any one with necessary circuit and derivation
OR
07
www.FirstRanker.com www.FirstRanker.com
www.FirstRanker.com
www.FirstRanker.com
2
Q.5 (a) Draw block diagram of basic PLL and explain operation of each of the
blocks.
07
(b) What do you understand by precision rectifier circuit? Illustrate op-
amp based full-wave rectifier circuit with its complete functionality.
07
*************
www.FirstRanker.com www.FirstRanker.com
www.FirstRanker.com
FirstRanker.com - FirstRanker's Choice
This post was last modified on 20 February 2020