Elect Second Year

5/21/2018 Elect Second Year

1/25

STUDY AND EVALUATION SCHEME

FOR

1. ELECTRONICS & COMMUNICATION ENGINEERING

2. ELECTRONICS ENGINEERING (DIGITAL ELECTRONICS)3. ELECTRONICS ENGINEERING (MEDICAL ELECTRONICS)

SEMESTER - III

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2/25

STUDY AND EVALUATION SCHEME

FOR

1. ELECTRONICS & COMMUNICATION ENGINEERING

2. ELECTRONICS ENGINEERING (DIGITAL ELECTRONICS)3. ELECTRONICS ENGINEERING (MEDICAL ELECTRONICS)

SEMESTER - IV

Cod

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= M0o 'o!e"# - - = - 78 - - 188 3 178


3/25

'RINCI'LES OF COMMUNICATION ENGINEERING

L T '

6 - 3

RATIONALE?

he study of principles of communication systems leads to further specialied study of audio

and video systems, line communication and microwave communication systems! hus the

diploma holder in electronics and communication engineering shall find employment in areas

of + , Production, Servicing and $aintenance of various communication systems! he

students should understand the advantages and limitations of various analog and digital

modulation systems on a comparative scale and relate to them while studying practical

communication systems!

DETAILED CONTENTS&! I0#odu"#o0 (2@)

(a) -eed for modulation and demodulation in communication systems!

(b) .asic scheme of modern communication system!

'! A/#ude Modu/#o0 (@)

(a) erivation of mathematical expression for an amplitude modulated wave showing

/arrier and side band components! Significance of $odulation index, spectrum

and bandwidth of "$ wave, relative power distribution in carrier and

sidebands!

(b) %lementary idea of S.0/, S.S/, SS.S/, 1S. and 2S. modulations, their

comparison and areas of applications!

3! FeBue0"$ Modu/#o0 (18@)(a) erivation of expression for fre4uency modulated wave and its fre4uency

spectrum (without proof and analysis of .essel function), modulation index,

maximum fre4uency deviation and deviation ratio, .5 of 0$ signals, /arlson6s

rule

(b) %ffect of noise on 0$ carrier, noise triangle, need for preemphasis and de

emphasis, capture effect!

(c) /omparison of 0$ and "$ communication system!

7! '%e Modu/#o0 (7@)

erivation of expression for phase modulated wave, modulation index, comparison

with fre4uency modulation!

8! '0"/e o4 AM Modu/#o (17@)orking principles and typical applications of

(a) /ollector $odulator

(b) .ase $odulator

(c) .alanced $odulator!

9! '0"/e o4 FM Modu/#o (17@)

(a) 5orking principles and applications of reactance modulator, variactor diode

modulator, 2/ and "rmstrong phase modulator, stabiliation of carrier using

"0/!

(b) .lock diagram and working principles of reactance transistor and "rmstrong 0$

transmitters!

;! Deodu/#o0 o4 AM 9e (18@)

3


4/25

(a) Principles of demodulation of "$ wave using diode detector circuit, concept of

diagonal clipping and formula for minimum distortion ( -o derivation)!

(b) Principle of demodulation of "$ wave using synchronous detection

(a) .asic principles of 0$ detection using slope detector!

(b) Principles + working of the following 0$ demodulators! 0osterSeeley iscriminator

atio etector

=uadrature etector

Phase >ocked >oop (P>>) 0$ etector

?! 'u/e Modu/#o0 (28@)

(a) Statement of sampling theorem and elementary idea of sampling fre4uency for

pulse modulation!

(b) .asic concepts of time division multiplexing ($) and fre4uency division

multiplexing (0$)!

(c) .asic ideas about P"$,PP$,P5$ and their typical applications!(d) 'u/e "ode odu/#o0 ('CM)? basic scheme of P/$ system, =uantiation,

4uantiation error, block diagram of $P/$ communication system and

function of each block, "dvantages of P/$ systems, concept of differential P/$

(P/$)!

(e) De/# Modu/#o0: .asic principle of delta modulation system, advantages of

delta modulation over P/$ system, limitation of delta modulation, concept of

adaptive delta modulation system ("$)!

(f) Co0"e# o4 Mode: AS: 'S: FS & 'S (" de).

L# o4 '"#"/

&! (a) o conserve an "$ wave on / produced by a standard signal generator using

internal and external modulation!

(b) o measure the modulation index of the wave obtained in above practical!

'! (a) o obtain an "$ wave from a collector modulator circuit and observe the "$ pattern

on /!

(b) o measure index of modulation of the "$ signal for different levels of modulating

signal!

3! o obtain a 0$ wave from reactance tube modulator@voltage controlled oscillator circuit

and measure the fre4uency deviation for different modulating signals!

7! o obtain modulating signal from an "$ detector circuit and observe the pattern fordifferent / time constants and obtain its optimum value for least distortion!

8! o obtain modulating signal from a 0$ detector (0osterseely@atio

detector@4uradrature@1/) circuit and plot the discriminator characteristics!

9! o observe the sampled signal and compare it with the analog input signal! -ote the

effect of varying the sampling pulse width and fre4uency on the sampled output!

;! o verify the sampling theorem!

?! o observe and note the pulse modulated signals (P"$, PP$, P5$) and compare them

with the corresponding analog input signal!

&A! o measure the 4uantiation noise in a 3 bit@7 bit coded P/$ signal!

&&! o feed an analog signal to a P/$ modulator and compare demodulated signal with the

analog input! "lso note the effect of low pass filter at the demodulated output!

7


5/25

&'! o study the process of delta modulation@demodulation!

8


6/25

DIGITAL ELECTRONICS

L T ' 6 - 3

RATIONALE?

his syllabus has been designed to make the students know about the fundamental principles

of digital electronics and gain familiarity with the available 1/ chips! his sub#ect aims to

give a background in the broad field of digital systems design + microprocessors!

DETAILED CONTENTS

1. I0#odu"#o0 (2@)

(a) .asic difference between analog and digital signal!

(b) "pplications and advantages of digital signals!

2. Nue S$#e (18@)

(a) .inary, ctal and hexadecimal number system, conversion from one form to

another!(b) /oncept of code, weighted and non weighted codes, ./ (ogic family classificationD

(i) efinition of SS1, $S1, >S1, 2>S1

(ii) /omparison of > and $S family characteristics with respect to delay,speed, noise margin, logic levels, power dissipation, fanin, fan out,

power supply re4uirement!

(b) >ogic /ircuits: pen collector, wired, totem pole output circuit operation

(4ualitative) for > -"- gate!

(c) ristate switch @ .uffer!

=. A#%e#" C"u# (18@)

(a) Ealf "dder and 0ull adder circuits, design and implementation!

(b) Ealf and full adder circuits, design and implementation!

(c) 7 bit adder@subtractor

>. D/$ De"e (7@)

>%, >/, seven segment displays, basic operation of common anode and common

cathode types of displays!

9


7/25

. Mu/#/ee: De-u/#/ee 0d De"ode (18@)

.asic functions and block diagram of $FB, %$FB, %ncoders and ecoders!

etailed functioning of 3B< decoder@demux!

. L#"%e 0d F/-4/o (18@)

(a) /oncept and types of latch with their working and supplications!

(b) peration using waveforms and truth tables of S, GC, , $aster@Slave GCand flipflops!

(c) Fse of filflop as latch

(d) 0lipflop as basic memory cell

18. Cou0#e (18@)

(a) " synchronous counters:

(i) .inary counters

(ii) $odulus of a counter, modified count of a counter, $od< and $od&A

counter (including design),difference between decade and mod&A counter!

(iii) Presentable and programmable counters

(iv) own counter, up@down counter!

(b) Synchronous counters (only introduction)(c) ifference between asynchronous and synchronous counters

(d) ing counter and Gohnson counter with timing diagram!

11. S%4# Re5#e (18@)

(a) 1ntroduction and basic concepts including shift left and shift right!

(b) Serial in parallel out, serial in serial out, parallel in serial out, parallel in parallel

out!

(c) Fniversal shift register!

(d) .uffer register, ristate buffer egister!

12. A/"#o0 (3@)

igital /lock and /alculator

L# o4 '"#"/

1. Study of pin configuration of different 1/s (e!g! 1P 1/s etc!)

2. 2erification and interpretation of truth tables for "-, , -, -"-, -, %x

and %x-or gates!

3. >ogic functions using universal gates

(a) ealiation of logic functions with the help of -"- or - gates!

(b) /onstruction of a - gate latch and verification of its operations!

6. Ealfadder and full adder circuits

(a) /onstruction of half adder using %x and -"- gates and verification of itsoperations!

(b) /onstruction of a full adder using %x and -"- gates and verification of its

operations!

7. 7 bit adder @ subtractor circuit!

(a) /onstruction of a 7 bit adder '6s complement subtractor circuit using a 7 bit adder

1/ and an %x and verify the operation of the circuit!

=. 1/ 0lipflop

(a) 2erification of truth table for some positive edge triggered, negative edge

triggered, level triggered 1/ flipflops ( at least one 1/ each of latch, flip

flop, edge triggered GC and $aster HSlave GC flipflops)

>. isplay evices and their decoder @ drivers

;


8/25

(a) 0amiliariation and use of different type of single >%s, common node and

common cathode seven segment >% displays! Fse of ;77;, ;77< or e4uivalent

decoder @driver 1/s for seven segment displays!

. ristate gate 1/s

(a) 2erification of truth tables and study the operation of tristate buffer 1/ ;7&'9 or

e4uivalent(b) /onstruction of a 7 @ < bit bidirectional bus using an appropriate 1/!

. ecoder, %ncoder, $ultiplexer and emultiplexer

(a) 2erification of truth table for any one each of encoder and decoder 1/s!

(b) 2erification of truth tables for one@two each of multiplexer@demultiplexer 1/s!

(c) Shift egister

(d) /onstruction of a 7 bit serial in serial out @ serial in parallel out right shift register

using GC flipflops and verification of its operation!

(e) /onstruction and testing of its operation of a 7 bit ring counter using Gk flipflop!

18. Fniversal shift register 1/

(a) 2erification of truth table for any one universal shift register 1/!

11. "synchronous /ounter 1/s(a) Fse of ;7?A e4uivalent l

(i) ivide by '

(ii) ivide by 8

(iii) ivide by &A counters

OR

(a) Fse of ;7?3 e4uivalent l

(i) ivide by '

(ii) ivide by . o observe the formation of standing waves on a transmission line and measurement of S5

and characteristic impedance of the line!

(a) o measure following parameters of a ransmission line!(i) "ttenuation

(ii) 1nput 1mpedance

(iii) Phase displacement between the /urrent + 2oltage!

(iv) 0re4uency characteristics!. raw the attenuation characteristics of a crystal filter!

&A


11/25

ELECTRONIC DEVICES AND CIRCUITS ; II

L T '

6 - 3

RATIONALE

he course provides the students with basic understanding of the principles ofcommon electronic devices and circuits of importance, the knowledge regarding the

application of various circuits and devices, practical experience in the design, fabrication and

testing of circuits

DETAILED CONTENTS

1. Mu/##5e T0#o A/4e (17@)

-eed of multistage amplifier, different coupling schemes and their workingD brief

mention of application of each of the types of coupling, working of / coupled and

transformer coupled multistage amplifier, approximate calculation of voltage gain of

two stage / coupled amplifier! 0re4uency response for / coupled andtransformer coupled amplifiers and physical significance of the terms bandwidth,

upper and lower cross over fre4uencies! irect coupled amplifier and its limitationD

difference amplifier typical diagram and working!

2. Audo 'o9e A/4e (17@)

ifference between voltage and power amplifiersD importance of impedance match in

power amplifier, collector efficiency of power amplifier! ypical single ended power

amplifier and its working, graphical method of calculation of output powerD heat

dissipation curve and importance of heat sinksD class ", class . and /lass /

"mplifierD collector efficiency and distortion in class ",. and / amplifier (without

derivations) working principles of push pull amplifier circuits, its advantages oversingle ended power amplifier, cross over distortion in /lass . operation and its

reduction! ifferent driver stages for push pull amplifier circuit! 5orking principles

of complementary symmetry push pull circuit and its advantages! ransformer less

audio power amplifiers and their typical applications!

3. Feed", 0 A/4e (17@)

.asic principles and types of feedback erivation of expression for the gain of an

amplifier employing feedback %ffect of negative feedback on gain, stability, distortion

and bandwidth (only physical explanation), ypical feedback circuits / coupled

amplifiers with emitter by pass, capacitor removed %mitter follower and its

application, simple mathematical analysis for voltage gain and input + output

impedance of above circuits!6. Oe#o0/ A/4e (17@)

/haracteristics of ideal operational amplifier and its block diagram, definition of

inverting and noninverting inputs, differential voltage gain, input and output

voltages, input offset current, input bias current, common mode re#ection (/$),

Power Supply e#ection atio (PS) and slew rate! $ethod of offset, -ull

"d#ustment, use of pamp as an invertor, scale changer, "dder, Subtractor,

ifferentiator, 1ntegrator! Schmitt trigger circuit, time base generator circuit, S@E

switch circuit!

7. S0uod/ O"//#o (17@)

"pplication of oscillators! Fse of positive feedback, negative feedback + negative

resistance for generation of oscillation, .arkhousen criterion for oscillations!ifferent oscillator circuits tuned collector Eartley, colpitts, phase shifts, wiens bridge

&&


12/25

and crystal oscillators and their working principles (no mathematical derivation),

perational amplifier as 5ein .ridge scillator and phase shift oscillator

=. Tu0ed Vo/#5e A/4e (17@)

/lassification of amplifiers on the basis of fre4uency! Series and parallel resonant

circuits, expression for resonant fre4uency, expression for impedance at resonanceD

relationship between resonant fre4uency, = and .and width (no derivation) Eybride4uivalent circuits of transistor and its parameters, h parameters model of single and

double tuned amplifiersD their working principles and fre4uency response (no

mathematical derivation) /oncepts of neutraliation! Staggered tuned amplifier and

typical applications in brief!

>. O#"/ E/e"#o0" De"e 0d T%e A/"#o0 (18@)

5orking principles and characteristics of photo resistors, photo diodes, photo

transistors, photo voltaic cells, >%S, >/s and optical couplers! Simple application

of optical electronic devices (one example of each may be mentioned)

LIST OF 'RACTICALS

1. wo stage !/! /oupled "mplifier to measure the over all gain of two stages at &CEI and compare it with the gain of &ststage! "lso to observe the loading effect of

second stage on the first stage!

2. o plot the fre4uency response curve of two stage amplifier and compare it with that

of the single stage amplifier

3. 0or a single ended power amplifier measurement of optimum load, maximum

undistorted power (by giving maximum allowable signal), collector efficiency and

percentage distortion factor!

6. 0or a pushpull amplifier measurement of optimum load, maximum undistorted power

(by giving maximum allowable signal), collector efficiency and percentage distortion

factor!7. 0or a complementary symmetry amplifier measurement of optimum load, maximum

undistorted power (by giving maximum allowable signal), collector efficiency and

percentage distortion factor!

=. 0eedback in "mplifier: Single stage amplifier with and without by pass capacitor

measurement of voltage gain and plotting of fre4uency response in both cases (i!e!

with and without by pass capacitor)!

>. 0eedback in "mplifier: %mitter follower circuit measurement of voltage gain and

plotting of fre4uency response curve!

. Sinusoidal oscillator (>/): Eartley@/olpittis oscillator circuit measurement of

fre4uency and amplitude oscillations by plotting the wave shape from /

. Sinusoidal oscillator (/): 5ein bridge oscillator circuit H measurement of resonantfre4uency and amplitude of oscillations by plotting the waveshape from /

18. uned 2oltage "mplifier Series and parallel resonant circuit H measurement of

resonant fre4uency! Plotting of the resonance curve (i!e! graph between input

fre4uency and impedance) and calculation of = of the resonant circuit from this plot!

11. Plotting of the fre4uency response of single tuned voltage amplifier and calculate the

= of the tuned circuit load!

12. Fse of opamp (1/;7&) as inverting and noninverting amplifier, adder, integrator,

buffer, scale changer

13. o measure the output off ser voltage of an opamp (;7&) and ero ad#ustment using

nulling techni4ues!

&'


13/25

CM-=81 COM'UTER 'ROGRAMMING AND A''LICATIONS

L T '

3 - 3

RATIONALE

1nformation technology and computers have great influence on all aspects of our life! "ll

over work places and environment around are being computeried! 1n order to prepare

technicians to work in these environments, it has become essential that students are exposed

to computers and their applications along with associated peripherals related to their area of

work! Eence the sub#ect!

-%: 5eightage of each topic for external examination is given in the brackets

DETAILED CONTENTS

1. 'o505 0 C * C. (67@)

&!& .asic structure of / program

&!' %xecuting a / program

&!3 1dentifiers + keywords, data types, constants, variables

&!7 perators, expressions + statements!

&!8 >ibrary functions

&!9 $anaging inputoutput operations, like reading a character, writing a

character, formatted input, formatted output through print , scanf, getch, putch

statements etc!

&!; ecision making and branching using if else, switch, go to statements!

&!< ecision making and looping using white, do + for statements!&!? "rrays H one dimensional and multi dimensional

&!&A 0unctions

&!&& ecursion

&!&' Structures + unions

&!&3 PS concepts

2. I04o#o0 S#o5e 0d Re#e/ (&8J)

'!& -eed for information storage and retrieval

'!' /reating data base file

'!3 =uerying database file on single and multiple keys

'!7 rdering the data on a selected key

'!8 Programming a very simple application'!9 1ndexing and storing, concept of storage

3. Cou##o0 0d G%" Too/ (&8J)

3.1 Ue o4 Cou##o0 #oo/ 4o

(i) %valuation of function

(ii) abulation of function

(iii) 1ntegration of functions

(iv) $atrix calculation

(v) Statistical calculation

3.2 Ue o4 G%" #oo/

i) Plotting graphics

ii) $aking measurement on the graphs

iii) Solving e4uations using graphs

&3


14/25

6. Cou#e Aded D4#05(3-D De50) (&8J)

a) esigning simple 3 ob#ects using Parametric and nonParametric modeling!

b) etrieving different views + ' details of models!

c) 1mporting and exporting data for preparing a design!

d) "ssembly modeling /heck for fits + tolerances!

7. A/"#o0 o4 "ou#e (&AJ)7.1 +e #e"%0o/o5e

(i) 1ntroduction to world wide web, search engines

(ii) %mail, news

(iii) .asics of audio + 2ideo conferencing

(iv) >anguages used for web technologies

E$> H Practical examples

E$> H Practical examples

'"#"/

&! /reating @ =uerying the database!

'! Programming in S=> @ P>S=>

3! Programming exercise on defining variables and assigning values to variables!

7! Programming exercise on arithmetic and relational operators!

8! Programming exercise writing input @ output statement!

9! Programming exercise on simple for , if , 10 else statement!

;! Programming exercise on switch statement!

?! Programming exercise on one dimensional arrays!&A! Programming exercise on two dimensional arrays!

&&! Programming exercise on creating ob#ects in /KK!

&'! Programming exercise on link lists!

&3! Programming exercise sorting data!

&7! esigning a simple ob#ect using /" software

&8! etrieving ' drawing from the designed 3 ob#ect!

&7


15/25

ELECTRONIC FARICATION & 'RODUCT DESIGN

L T '

1 - 3

RATIONALE

DETAILED CONTENTS

1. I0#odu"#o0 #o 'C

(a) -eed of P/.s

(b) ypes of P/.s

(c) ypes of materials used for P/., their characteristics and limitations

(d) .rief summary of all the processes involved in fabrication of P/. from schematic

diagram to final stage!

2. 2. M0u/ De50 o4 'C

(a) >ayout generation

(b) $inimiation of layout

(c) >ayout transfer

(d) %tching of P/.

(e) rilling

3. I0#odu"#o0 #o 'C de50 o4#9e

(a) 0amiliariation and use of P/. software like /" (minimum ?!&), %agle,

Pro %, P/. %xpress, >ab 2iew ( "ny two)(b) Practice in P/. designing of circuits of the following categoriesD

(i) /ommunication circuits

(ii) igital circuits (counters, shift registers, multiplexers, demultiplexer etc!)

(iii) "udio + 2ideo

(iv) $icroprocessor based circuits

6. F"#o0 0d #e#05

(a) 0abrication of small analog and digital ( minimum one each) circuits

(b) 0inal assembly, troubleshooting of the developed product and product

(c) demonstration!

(d) /riterion for selection and mounting of heat sinks!

7. F"#o0 Te"%0Bue(a) Soldering methods, manual and demo on machine soldering

(b) /omparison of soldering methods

(c) /omponent forming and placement on the P/.

(d) ools and precautions to be observed during manual soldering!

-------------------------------------------------------------------------------------------------------------------

&8


16/25

ELECTRONIC DEVICES & CIRCUITS ; III

L T '

6 - 3

&

RATIONALE

DETAILED CONTENTS

1. +e %05 C"u# (17@)

Leneral idea about different wave shapes! eview of transient phenomena in / and

> /ircuits! / and > differentiating and integrating /ircuits! he applications

(physical explanation for s4uare@ rectangular input wave shapes only)! iode

clippers, series and shunt biased type! ouble clipper circuits! Iener diode clippercircuits! Fse of transistors for clipping! iode clamping circuit for clamping to

negative peak, positive or any other level for different input waveforms (e!g! sine,

s4uare, triangular), ideal transistor switch, explanation using /!%! output

characteristics!

2. Te I.C. (18@)

.lock diagram of 1!/! timer (such as 888) and its working! Fse of 888 timer as mono

stable and astable multivibrators!

3. Mu/##o C"u# (17@)

/oncept of multivibrator : astable, monostable, bistable! 888 timer as mono and

astable multivibrator! pamp as monostable, astable multivibrator and schmitttrigger circuit!

6. Te e C"u# (17@)

-eed of time base (sweep) wave forms, special features of time base signals! Simple

method of generation of saw tooth wave using charging and discharging of a

capacitor! /onstant current generation of linear sweep voltage circuit using opamp!

7. I0#e5#ed E/e"#o0" (7@)

0abrication of transistor by planner process, a typical fabrication process for 1/S

(brief explanation)!

=. Re5u/#ed 'o9e Su/$ (17@)

/oncept of regulation! Principles of series and shunt regulators! hree terminal

voltage regulator 1/s (positive, negative and variable applications)! .lock diagram ofa regulated power supply! /oncepts of cv,cc and foldback limiting, short circuit and

overload protection! $a#or specifications of a regulated power supply and their

significance (line and load regulation, output ripple and transients)! .asic working

principles of a switched mode power supply (S$PS)! /oncept of floating

andngrounded power supplies and their interconnections to obtain multiple output

supplies! .rief idea of /2,FPS and dual tracking power supply!

>. VCO (IC7=7) 0d 'LL(IC7==) 0d #%e /"#o0 (18@)

. T%$#o 0d UT (17@)

-ame,symbol,characteristics and working principles of S/, riac, diac, S/S,

SFS,S.S and >"S/! $ention of their applications! .asic structure, principle of

operation and 21 characteristics of FG! %xplanation of working of FG as relaxationoscilliator and its use in thyristor!

&9


17/25

'RACTICAL +OR

1. bserve and Plot the output 5aveshapes of / differentiating circuits

2. bserve and Plot the output 5aveshapes / integrating circuits for s4uarewave

input (observe the effect of the / time constant of the circuit on the outputwaveshape for both the circuits)

3. /onstruct biased and unbiased series and shunt clipping circuits for positive and

negative peak clipping of a sine wave using switching diodes and d!c! sources!

6. /onstruct a double clipper circuit using diodes and sources and observe wave shapes!

7. /onstruct ener diode and transistor clipper circuits for positive peak, negative peak

and double clipping of sine (other wave shapes)!

=. o clamp sine and s4uare wave to their positive and negative peaks and to a specified

level!

>. o plot input vs! output characteristics of schmitt trigger circuit and plot the input

output waveshapes with a ine wave input!

. o test mono and astable multivibrator and to plot waveform!. o make and test the operations of monostable and astable multivibrator circuits using

888 timer!

18. o determine and plot firing characteristics of S/ by varying anode to cathode

voltage and varying gate current!

11. o note the waveshapes and voltages at various points of a FG relaxation oscillator

circuit!

12. o plot the firing characteristics of a triac in different modes, namely, mode 1K, mode

1, mode 111K and mode 111

&;


18/25

INTRODUCTION TO MICRO'ROCESSORS

L T '

6 - 3

RATIONALE?

he study of microprocessors in terms of architecture, software and interfacingtechni4ues leads to the understanding of working of /PF in a microcomputer! he

development in microprocessors of 3' bit architecture brings them face with mainframe

systems! hus the study of microprocessors is relevant in finding employment in +,

assembly, repair and maintenance of hardware of microprocessors and computers!

$icroprocessors find application in process control industry! hey are also a part of the

electronic switching system between source and destination in long distance

telecommunications! hus the microprocessors are an area of specialiation! Students of

electronics engineering often use microprocessors to introduce programmable control in their

pro#ects, in industrial training!

DETAILED CONTENTS

1. I0#odu"#o0 (7@)

(a) ypical organiation of a microcomputer system and functions of its various

blocks!

(b) $icroprocessors, its evolution, function and impact on modern society!

2. A"%#e"#ue o4 "oo"eo (9#% e4ee0"e #o 87 "oo"eo) (18@)

(a) /oncept of bus, bus organiation of


19/25

>. D# T04e Te"%0Bue (18@)

(c) /oncept of programmed 1@ operations, sync data transfer, async data

transfers (handshaking), 1nterrupt driven data transfer, $", serial output

data, serial input data!

. e4 de 0d o505 o4 0#e4"05 "% 277. (18@). M"o"o0#o//e (18@)

(a) 1ntroduction, architecture of


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ELECTRONIC INSTRUMENTS & MEASUREMENTS

L T '

6 - 3

RATIONALE

he study of this sub#ect will help a student to gain the knowledge of the workingprinciples and operation of different electronic instruments ("nalog as well as digital)! he

practical work done in this sub#ect will help to ac4uire skill in operation and testing of the

instruments as per their specifications will also be imparted!

DETAILED CONTENTS

1. " o4 Meuee0# (7@)

(i) eview of performance, specifications of instruments, accuracy, precision,

sensitivity, resolution range etc! %rrors in measurement and loading effects!

2. Mu/#-e#e? (18@)

(i) Principles of measurement of dc voltage and dc current, ac voltage, ac current

and resistance in a multimeter(ii) Specifications of a multimeter and their significance

(iii) >imitations with regards to fre4uency and input impedance

3. E/e"#o0" Vo/#e#e (18@)

(i) "dvantages over conventional multimeter for voltage measurement with

respect to input impedance and sensitivity!

(ii) Principles of voltage, current and resistance measurements (block diagrams

only)

(iii) Specifications of an electronic 2oltmeter@$ultimeter and their significance!

6. AC M//-o/#e#e (18@)

(i) ypes of "/ millivoltmeters : "mplifierrectifier and rectifier"mplifier,.lock diagram and explanation of the above types of ac millivoltmeters

(ii) ypical specifications and their significance

7. C#%ode R$ O"//o"oe (28@)

(i) /onstruction of /, %lectron gun, electrostatic focusing and acceleration

(%xplanation only H no mathematical treatment) eflection sensitivity, brief

mention of screen phosphor for / in relation to their visual persistence and

chemical composition

(ii) %xplanation of time base operation and need for blanking during fly back D

synchroniation

(iii) .lock diagram explanation of a basic / and a triggered sweep

oscilloscope, front panel controls(iv) Specifications of a / and their significance

(v) Fse of / for the measurement of voltage (dc and ac) fre4uency, time

period and phase angles

(vi) Special features of dual treace, delayed sweep and storage /s (brief

mention only)D introduction to digital /s

(vii) / probes, including current probes!

(viii) igital storage scilloscope: .lock diagram and principle of working!

=. S50/ Ge0e#o 0d A0/$ I0#ue0# (17@)

(i) .lock diagram, explanation and specifications of

(ii) laboratory type low fre4uency and 0 signal generators

(iii) pulse generator and function generator(iv) .rief idea for testing, specification for the above instruments

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(v) istortion factor meter, wave analysis and spectrum analysis

>. Ied0"e d5e 0d -Me#e (17@)

(i) .lock diagram explanation of working principles of a laboratory type

(balancing type) >/ bridge! Specifications of a >/ bridge!

(ii) .lock diagram and working principles of a =meter

. D5#/ I0#ue0#: (17@)(i) /omparison of analog and digital instruments, characteristics of a digital

meter

(ii) digital voltmeter

(iii) .lock diagram and working of a digital multimeter

(iv) 5orking principle of time interval, fre4uency and period measurement using

universal counter@fre4uency counter, timebase stability, accuracy and

resolution!

(v) Principles of working and specifications of logic probes, signature analyer

and logic analyer!

(vi) igital, >/ bridges

LIST OF 'RACTICALS

1. o observe the loading effect of a multimeter while measuring voltage across a low

resistance and high resistance

2. o observe the limitations of a multimeter for measuring high fre4uency voltages and

currents

3. o measure = of a coil and observe its dependence on fre4uency, using a =meter

6. $easurement of voltage, fre4uency, time period, and phase angle using /

7. $easurement of time period, fre4uency, average period using universalcounter@fre4uency counter

=. $easurement of rise, fall and delay times using a /

>. $easurement of distortion of a >0 signal generator using distortion factor meter

. $easurement of ,> and / using a >/ bridge@universal bridge

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'ERSONAL COM'UTER ORGANIATION

L T '

6 - 3

RATIONALE

DETAILED CONTENTS

1. Hd9e O50#o0 o4 'C? (17@)

$icrocomputer rganisation, aser

printers, .asic operation digital camera, 0"B!

=. 'o9e Su/$? (18@)

S$PS used in P/ and its various voltages, basic idea of constant voltage transformer(/2) and Fninterrupted Power Supply (FPS) H offline and line interactive types!

>. T%e IOS 0d DOS Se"e? (18@)

he basic ideas of .1S and S services for iskette, Serial Port, Cey board,

Printer and $isc! services!

. Ad0"e M"oo"eo? (18@)

1ntroduction to P1S/ and /1S/ system and comparison between the two introduction

to superscalar architecture, detailed study of Pentium 12 processor, mother board of

P/, memory organiation, /atch memory, keyboard interfacing, serial and parallel

ports, introduction to pipelining!

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'RACTICALS

1. o identify various components, devices and sections of a P/!

2. o interconnect the system unit with the video monitor, mouse and key board, and test

the operation of the P/!

3. o connect various addon cards and 1@ devices to a P/ motherboard, and test theirworking!

6. o note the voltages and waveforms at various terminals in the 1@ channel (.us

Slots)!

7. o study the S$PS circuit of a P/, measure various supply voltages, and connect it to

the motherboard and other appropriate 1@ devices!

=. o study the operation of a /2 used to supply power to a P/!

>. o study the operation of an uninterrupted power supply (FPS)!

Re4ee0"e oo,

&! 1.$ P/ and /lones, Eardware, troubleshooting, and maintenance by

.!Lovindara#ulu$E publication!

'! $icroprocessor and 1nterfacing by affi4uman!

3! Eall, ouglas, M$icroprocessors + 1nterfacingN! $cLraw Eill!

7! .ose, SC, MEardware + Software of personal computersN!

8! Small computer theory and "pplication by enton L!ailey$E Publications

9! Fffenbeck!

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ELECTRONIC DESIGN & DRA+ING

L T '

- - 6

RATIONALE

he purpose of this sub#ect is to give practice to the student in drawing of symbols as

per 1S1 standard! %lementary design and drawing of semiconductor devices, various

components, circuits of a small power transformer, design of s4uare wave generator and

circuitry for using a dc microammeter!

DETAILED CONTENTS

1. D9 #%e #0dd $o/ o4 #%e 4o//o905 (38@)

(a) (ifferent parts of 1S1 Standard 1S!'A3' may be referred to) for electronics with

specification in igital %/ and $icroprocessor System esign!(b) /omponents : esistors H 0ixed, tapped and variable(presets and potentiometers

>, 2 and hermistor, /apacitors H 0ixed, tapped and variable types 0 and

"f chokes and inductors air cored, solid cored and laminated cored! transformer H

step up, step down, "f and f types, "uto transformer, 10 transformer, three phase

transformer, "ntenna, chasis, %arth, loudspeaker, $icrophone, earphone, fuse,

indicating lamp, coaxial cables, switches H double poleon@off double pole,

double throw an drotary types, terminal and connections of conductors!

(c) evices: Semiconductor H rectifier diode, ener diode, variactor diode, tunnel

diode, photo diode, light emitting diode (>%), .ipolar transistor,

(d) 5orking principles of ramp, dual slope and integrating type of field effecttransistor (0%), $S0% Photo transistor! Fn#unction transistor (FG) silicon

control ectifier (S/), iac and riac case outlines (with their type numbers) of

different types of semiconductor diodes, transistors, S/, diacs, triacs and 1/S

("long with indicators for identifying pins etc!)

2. D9 #%e Fo//o905 (38@)

/ircuit diagram of typical multimeter, /ircuit diagram of a typical electronic

multimeter H /ircuit diagram of a typical transistor radio receiver! /omplete lock

diagram of a typical monochrome 2 transmitter and receiver system! 0ront panel

details of typical /!

3. De50 0d D9 4o #%e 5e0 Se"4"#o0 #%e 4o//o905 ? (68@)

(a) " small power transformer! " simple power supply using a full wave rectifier anddifferent types of filters! " simple ener regulated power supply! " smallsignal

(singlestage lowfre4uency amplifier) given specifications being the input

impedance, load impedance, voltage gain and input signal level and the fre4uency

range!

(b) S4uarewave generator using 888 timer! sinusoidal oscillator5ein6s .ridge type

using an opamp! 2oltagecontrolled oscillator using 1/898! /ircuitory for using

a / microammeter as

(i) a voltmeter

(ii) a current meter

(iii) for specified ranges

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MINOR 'ROECT

L T '

- - =

$inor pro#ect work aims at exposing the students to the various industries dealing with

electronics components, devices, circuitry and micro processors! hey are expected to learnabout the construction, working principles of different electronic and $icro processors based

instruments! 1t is expected from them to get ac4uainted with industrial environment at the

shop floor and ac4uire desired attitudes! 0or this purpose student during middle of course are

re4uired to be sent for a designated period in different industries where

production@servicing@installation of microprocessor based systems is going on! epending on

the interest of students they are sent to :

& /ommunication stations!

' 2arious micro processor oriented industries!

3 elephone@elegraph stations!

7 $icro processor based control system industries!8 $edical electronics industries!

9 epair and maintenance work shops!

"s a minor pro#ect activity each student is supposed to study the operations at sight and

prepare a detail pro#ect report of the observations@processes@activities by him@her! hese

students should be guided by students!

he teachers along with field supervisors@engineers will conduct performance assessment of

students!

/riteria for assessment will be as follows:

CRITERIA +EIGHTAGE

a) "ttendance and Punctuality &8J

b) 1nitiative in performing tasks@clearing new

things! &8J

c) elation with people &8J

d) eport writing + seminar 88J

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Documents

Elect Second Year