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Ece5 Lic May07

This document appears to be an exam for a Linear Integrated Circuits course. It contains: 1) 20 marks worth of short answer questions in Section A testing definitions and concepts related to operational amplifiers, voltage controlled oscillators, slew rate, Schmitt triggers, and instrumentation amplifiers. 2) 20 marks worth of longer answer questions in Section B on topics like thermal drift, non-inverting and inverting amplifier design, and switching regulators. 3) 20 marks worth of two questions each worth 10 marks in Section C, testing understanding of timers, multivibrators, square wave generators, filters and integrators through circuit design questions.

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Vicky Lakhwal
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103 views2 pages

Ece5 Lic May07

This document appears to be an exam for a Linear Integrated Circuits course. It contains: 1) 20 marks worth of short answer questions in Section A testing definitions and concepts related to operational amplifiers, voltage controlled oscillators, slew rate, Schmitt triggers, and instrumentation amplifiers. 2) 20 marks worth of longer answer questions in Section B on topics like thermal drift, non-inverting and inverting amplifier design, and switching regulators. 3) 20 marks worth of two questions each worth 10 marks in Section C, testing understanding of timers, multivibrators, square wave generators, filters and integrators through circuit design questions.

Uploaded by

Vicky Lakhwal
Copyright
© Attribution Non-Commercial (BY-NC)
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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.8krll No. 'fotal No.

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B.Tech.(Semester sth)
Maximum Marks : 60

LINEAR INTEGRATED CIRCUITS (EC . 305)


'Iime :03 Hours

Lnstructionto Candidates: 1) Section- A is compulsory. 2) 3) Attempt any Four questions from Section- B. Attempt any Tlvo questions from Section- C. Section - A Q.I) a) b) c) Define CMRR. Explain with example. What is a Level Translator? Draw any level translator circuit. Draw block-diagram of an operational amplifier. What are the characteristics an ideal operationalamplifier? of What are the iiiput affset current and supply voltagerejec.tion ratio for an operation amplifier? al Define VCO and draw its completeblock diagram. With the help of a block d.iagram, define the working of a PLL. What is slew-rate and what are its causes effects? and What is a schmitt trigger?What are its applications. Draw the circuit diagrarnfor differentialinstrurnentation arnplitierusing transducer bridge and derive the expression the output voltage at a for giveninputvoltage. Draw the labelledcircuit diagramsof the differentialamplifiersusing one,two and tllee opeiational=amplifiers. (10x2=20)

d)

e) 0 g) h) i)

j)

nT.o.

Section B (4x5=20) Q2) o'rine thetmalvoltage drift andthermal current drift in detailwith the help a**

;:ffili:

f]ro

in borh "urforl-tnuerting

the circuit diagram r".."*prerery.o-p*,rured inverting arnprifier and


derivetne voltage ""pi.rrroi ro. ",.,.o.

nt'

m^;: .o,*::::?Jil[ili.*"
a peak frequency 16[ur. of

itsdifferenr Denne rvpes? switching regurator


using 74lcop-amp ro provide a gain of r0 at Arsurri"

Q4) Designan inverting Amplifier

.ppr#r"re dara required. if

nr,

inpur rhat infiequency ,T;T&Ti:"liH,lij:,Tr*"ria* an signar varies


differenriaror, draw,r, ou,ou,tl]|;|[:lt peakat 1000 is applied Hz to trris

Q6) Definea saw-t:9thwavegenerator explain workingusinglnpu, with thehelpof its circuitdiagram. its Also andoutputwaveforms. Section C (2x10-20) Q7) DefiLre timer with thehelp 555 of pin-configuration, brock-diagram, strttcture modes operation and inrer'al of with pini*n"ction. Also 'scrlon' canbe used a pulse de aerine how 555 as strltcher. (!8) (a) r)esign multivibraror a t" runningmocle using and discho.eifgii* 555 timerIC witrr l::

fi::'flxi,1ffi:,Hr:

e0 26f m;;," derermine

(b) Defineworlting of square-wave generator with thehelpof circuit diagrarn and input and outputwaveforrns. Q9) (a) Designa low passfilter at a cut-off frequency of I kHz rvith a passbancl gain of 2. Using frequencv scalingi".rr"iq";,;;;;;, frequency design.a ,n, cur_off c,f firt..io u.ut-irin"qu"ncy of 1.6kHz. (b) Definer

uno inp,l,l:ffi:Tntffi.u'
l-6311[6133 BJ

ul integrator proper using circuit c{iagram

N(XXX
2

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