DHAANISH AHAMED COLLEGE OF ENGINEERING
(DACE Dhaanish Nagar, Padappai, Chennai-601301.
FORMAT-1A(to be submitted 3days before UEPC )
DEPT:ELECTRICAL & ELECTRONICS SUBJECT FACULTY:Ms.Sujitha, M.R.Anitha
ENGINEERING
LINEAR AND
SUBJECT CODE & NAME: EE3402 &
YEAR/SEM: II / IV INTEGRATED CIRCUITS
PART - A
UNIV QUES
REFERENCE
FREQUENTLY ASKED UNIVERSITY QUESTIONS MARKS
(Eg. MAR2019)
UNIT S.NO
(ORDER OF PRIORITY: UNIV MOST REPEATED TO REPEATED)
NOV/DEC22
1
What are the advantages of IC over discrete component circuits?
2 NOV/DEC 22
2 Why the epitaxial layer is called so?
NOV/DEC 20
2
3 State the difference between monolithic ICs and Hybrid lcs.
2 NOV/DEC20
4 Define the term "sheet resistance"(Rs)?
2 APR/MAY 19
5 Define the term "Encapsulation".
2 PR/MAY 19,23
6 |List the advantages of thin film resistors.
techniques,Name any two
|Classify lcs based on the manufacturing 2 NOV/DEC 19
7 |merits. NOV/DEC 19
2
silicon wafer.
List the steps used for preparation of APR/MAY 18
fabrication?
9 How are diodes realised in IC wafer APR/MAY 18
2
fabrication.
10 |Define the term" photolithography" in IC NOV/DEC 23
2
11
What is PV cell?
2 APR/MAY 22
offset current?
1 What is input bias current and input APR/MAY 22
2
operational amplifier.
2 |Draw the equivalent circuit of practical NOV/DEC22
2
3
What is input offset voltage.
2 NOV/DEC 20
of operational amplifier.
4 List the important characteristics NOV/DEC 20
2
stage of IC op amp.
5 List the requirements of the internal
2 APR/MAY 19
compensation.
6 Give the various types of frequency
2 NOV/DEC 19
input offset current.
7 |Distinguish between input offset voltage and
amplifier circuit changes by 20OV
|Theoutput voltage of a certain OP 2 APRMAY 19
in 4us.What is its slew rate?
for the op amp
State the two realistic sinmplifying assumptions used 2 NOV/DEC 18
l(or) write the concept of virtual ground. NOV/DEC 18
significance. 2
10 Define slew rate. What is its
comparator. 2 NOV/DEC 22
|Drawthe transfer characteristics of practical
sustained oscillations in
Mention the conditions to be satisfied for 2
NOV/DEC 22
sinewave generators.
2 APR/MAY 22
3 Draw the transfer characteristics of ideal comparator.
2 APR/MAY 22
4 |Explain the function of sample and hold circuit?
ADC. 2 NOV/DEC 20
5 |List the advantages of integrating type ADC (or) dual sloe
2 APR/MAY 19
6 |Write the requirements of an instrumentation amplifier.
variable
Draw the op amp circuit for a first order lowpass filter with 2 APR/MAY 19
7 gain.
|Draw the circuit of antilog op amp 2 NOV/DEC 19
ampliier.
What is meant by astable
multivibrator? 2 NOV/DEC19
10 Which is the fastest A/D
convertor? APR/MAY 19
11 Draw the circuit of
Integrator 2 NOV/DEC 23
Calculate values of LSB, MSB and full scale output
12 bit DAC for 0 to 5V voltage tor a 4 2
Range. NOV/DEC 23
|List out the applications of
analbg
Mention the various applications ofmultiplier
Ics. 2 APR/MAY 22
IC 555 timer. 2 NOV/DEC20
Define the terms
3
phase locked loop.capture range and lock in range in the context of 2
4
List the applications of PLL. NOV/DEC20
5 2 APR/MAY 19
Define duty cycle in stable
Draw the output of a
multivibrator using IC 555. 2 APR/MAY 19
missing pulse detector.
IV 7 Determine the
he ON period Tfrequency
of oscillation if the
duty cycle D= 20% and
2 APRIMAY 18
on = 2 ms. 2
In a
8 monostable multivibrator using 555 timer the APR/MAY 18
values one Ra-5.6ohms and C=0.068 uF.Find the component
power T. pulse width 2
What are the features of VCO. NOV/DEC 18
2
Draw the circuit of AM NOV/DEC 18
detector using PLL. 2
11 What is analog Multiplier? APR/MAY 17
2 NOV/DEC 23
12 |Asquare wave generator circuit designed
Vcc=12 using 555 timer has
V.Rl=1OKohms and
C1=0.luF.Find output frequency. 2
1 Write the significance of NOV/DEC 23
instrumentation amplifier. 2
APR/MAY 22
Compare 78XX and 79XX voltage regulator Ics.
3 List the applications of SMPS. APR/MAY 22
2
|Is it true that switching NOV/DEC 22
regulators have better efficiency than the
series regulators? Justify your answer. 2 NOV.DEC 22.
APRMAY23
5 Define line regulation and load regulation. 2
6 What is a load cell?
PR/MAY 19,23
APR/MAY 19
Give the series output voltage options available in fixed voltage
7 series regulators. 2
APR/MAY 18
Name the important performance parameters of three terminal IC
|regulators. 2
NOV/DEC 19
9 |Draw the pin diagram of IC 723 regulator.
NOV/DEC19
10 What is an isolation amplifier. 2 APR/MAY 18
11 |Give the applications of Instrumentation Amplifier NOV/DEC 23
2
|What is the purpose of Input and output capacitors in 3 terminal
2
12 |ICregulators? NOV/DEC 23
SUBJECT FACULTY HOD
19
DEC 1
C
19
DHAANISH AHAMED COLLEGE OF ENGINEERING
CE Dhaanish Nagar, Padappai, Chennai-601301.
FORMAT-1B(to be submitted 3days before UEPC)
InEPT:ELECTRICAL &:
RLECTRONICS ENGINEERING sUBJECT FACULTY:Ms.Sujitha,M.R.Anitha
INTEGRATED CIRCUITS
YEAR/SEM:II/IV |SUBJECT CODE & NAME:EE3402 & LINEAR
PART - B & C
UNIVQUE8
FREQUENTLY ASKED UNIVERSITY ÌUESTIONS MARKS REFERENCE
UNIT S.NO (ORDER OF PRIORITY: UNIV MOST REPEATED)
NOV/DEC2019,
Discuss the basic process for fabrication of lcs using silicon IC planar 13 marks APR/MAY 23
technology wit necessary diagrams.OR With neat diagrams,explain the
various steps steps involved in the process of ICfabrication. APR/MAY2018
diode and capacitance for 15 marks
2 Write a note on recent fabrication methods of
APR/MAY2018
industrial applications. 13 marks
I
3 Elaborate te fabrication of MOS Ics with suitable diagrams. NOV/DEC2020,
in the IC 13 marks
Elucidate the process of oxidation and photolithography
APR/MAY 23
fabrication. NOV/DEC2020
13 marks
in integrated circuits.
Expiain the various isolation techniques used 5 marks
NOV/DEC23
diodes
6 Explain the steps used in fabrication of 13 marks
NOV/DEC2017,2023
IC packages.
7 Write a short note on classification of IC and NOV/DEC23,18,APR/M
and non ideal DC 13 marks AY23
Discuss with neat diagram explain the ideal
characteristics of an op amp.
NOV/DEC2018,2023
15 marks
2 circuit using operational amplifier.
Breifly explain the V-I and [-V converter
NOV/DEC2022
integrator and also draw the 13 marks
3
Describe the working of differentiator and
output when the inut is in squarewave.
NOV/DEC2020,APR/MA
inverting configurations of 13 marks
I 4
Explain the operation of inverting and non
operational amplifiers.
NOV/DEC18,23
13 marks
5 characteristics of an op amp.
|Discuss with neat diagram explain the AC
NOV/DEC2022
amplifier. 13 marks
6 With neat sketch explain the3 input inverting summing
operational NOV/DEC2020
7
Discuss th¿ various frequency compensation techniques for 13 marks
amplifiers.
APR/MAY2017
three op 13 marks
Sketch the, implementation of an instumentation amplifier using
|amp.Explain the principle of operation and its applications.
Explain the flash type and successive approximation type ADC with neat
NOV/DEC2022
13 marks
2
sketch.
3
|Explain the following applications of OP-AMP1)Clippers2)clampers3)S/H 13 marks NOV/DEC2023
|Circuit
III
Explain the following l)weighted resistor DAC2)R-2R Ladder 13 marks NOV/DEC2023
4
find the resolution and input voltage required to change by 1LSB for an 8bit
A/D converter.Assume the input vpoltage range is Oto 10 V.Describe the 15 marks NOV/DEC2023
operation of dual slope A/D converter
13 marks APR/MAY23
6 Dlustrate the design of second order filter with its frequency response
7 13 marks NOV/DEC2018
Explain the operation of astable multivibrator using op amp.
NOV/DEC2020,APR/MA
With necessary diagram, illustarte the operation of voltage controlled 13 marks Y23
|oscillator.(VCO).
With neat sketch describe the working of a monostable multivibrator using NOV/DEC2022,APR/MA
2 13 marks Y23
ICS5S timer.
13 marks NOV/DEC2019
3 |Explain with ncat diagram the working of a phase locked loop.
Explain the functional blockdiagram ofICS55 timer and design astable 13 marks APR/MAY2022,23
4
multivibrator of 1KHz using it.Assuming duty cycle is 60%.
Design monostable multivibrator using op-amp and obtain cxpression for 15 marks APR/MAY23
pulse width "T
6 Explain as how to ICS55 timer is uesd to design a free running oscillator 15 marks APR/MAY23
PLL system with 10SKHz input has VCO with 100KHz free running
7 |frequency and 3.3KHz/V sensitivity and phase detector sensitivity is NOVIDEC 23
0.68V/rad ,amplifier gain is 5.Calculate loop gain ,capture range ,max1mum 13 marks
error voltage and maximum output voltage of the
system.
Draw the operation of instrumentation amplifier with neat
1
Explain as to how AD623 instrumentation amplifier is usedskctch.OR
for load cell 13 marks
NOV/DEC2022,APR/MA
Y23
weight measurement
2
Explain the fixed voltage regulator and its
applicatons. 13 marks APR/MAY2019
3
Discuss with neat diagram the working of
source i) boosting regulator output currentIC7805 regulator as i)current
iii) IC 7805 as current source.
13 marks NOV/DEC2019
V 4 Explain audio power amplifier 1C 380 and also
the function generator IC explain with block diagram 13 markS
8038 APR/MAY2022
Explain with neat diagram the
voltage regulator for adjustableopeartion and working of SMPS and
4V-20V DC poer supply with LM 317. design a 13 marks APR/MAY2022,23nov/de
c23
Elaborate with neat diagram the working of IC723 as low
voltage regulators and give current voltage and high
limiting features of IC 723 13 marks NOV/DEC2019,2023
Explain the working of series
principle of basic linear voltagevoltage regulator and also explain the working
regulator usig op amp. 13 marks NOV/DEC2019
Hes
SUBJECTF
(HR AnnHA)
HÒD
PRISIPAL
