CURRICULUM – 2014
(C14)
FOR DIPLOMA IN ELECTRONICS AND COMMUNICATION ENGINEERING
SBTETANDHRA PRADESH
State Board of Technical Education & Training
Andhra Pradesh : Hyderabad
IV Semester
IV Semester
Subject Code

Name of the Subject

Instruction
period / week

Total Period / Sem
 Scheme of Examination 
Theory

Practical/Tutorial

Duration (hours)

Sessional Marks

End Exam Marks

Total
Marks

THEORY:
 EC – 401  Engineering Mathematics  III 
4


60

3

20

80

100
 EC – 402 
Linear Integrated Circuits

5


75

3

20

80

100
 EC  403

Network Analysis

6


90

3

20

80

100
 EC – 404 
Digital Communications

5


75

3

20

80

100
 EC – 405 
Microprocessor & Microcontroller Programming

5


75

3

20

80

100
 EC – 406 
Programming in C

5


75

3

20

80

100

PRACTICAL:
 EC – 407 
Linear Integrated Circuits Lab



3

45

3

40

60

100
 EC  408 
Communication Skills



3

45

3

40

60

100
 EC  409  Digital Communication Lab 


3

45

3

40

60

100
 EC  410 
C and Matlab


3

45

3

40

60

100
 TOTAL 
29

13

630


280

720

1000

Note : 1. Five local industrial visits / Interaction, one for each of the courses listed from EC 402 to EC 406 may be arranged to enable the students to have industry exposure. The students should submit a write up of two or three pages mentioning all salient learning experiences or observations like advances in technology, its evaluation, application, advantages & disadvantages, expected future changes etc.,.
2. Four weeks industrial training may be arranged at end of the semester (during summer vacation)
The students need to submit their log book and 8 to 10 pages of write up mentioning all salient learning experiences like advance in technology, its evaluation, application, advantages & disadvantages, expected changes in future etc.,.
3. Industries: Equipment Manufacturing industry / Electronic testing laboratories etc
Engineering Mathematics – III
Subject Title : Engineering Mathematics – III
Subject code : EC401 (Common)
Periods/Week : 04
Periods/semester : 60












S. No

Major Topic

No of Periods

Weightage
of Marks

Short Type

Essay Type


Unit I Differential Equations



R

U

App

R

U

App

1

Homogenous Linear Differential equations with constant coefficients

5

6

2

0

0

0

0

0

2

Nonhomogenous Linear Differential equations with constant coefficients

10

23

0

1

0

1

1

0


Unit  II









3

Laplace Transforms

20

32

1

2

1

1

0

1


Unit  III









4

Fourier Series

13

26

1

1

0

0

1

1


Unit  IV









5

Probability

12

23

1



1/2

1/2

1


Total

60

110

5

4

1

2 1/2

2 1/2

3




Marks:

15

12

3

25

25

30













R:

Remembering type

40 marks





U:

Understanding type

37 marks





App:

Application type

33 marks



Objectives
Upon completion of the subject the student shall be able to :
UnitIDifferential Equations

Solve Homogeneous linear differential equations with constant coefficients in engineering situations

Solve Differential equations of the type (aD^{2} +bD + c)y = 0 when the roots of the auxiliary equation are real and different, real and repeated, complex.
1.2 Solve the higher order homogeneous differential equations with constant coefficients.
2.0 Solve Non Homogeneous linear differential equations with constant coefficients in engineering situations
2.1 Explain the concept of complementary function, particular Integral and general solution of a differential equation.
2.2 Solve n^{th} order differential equation of the type f(D) y = X where f(D) is a polynomial of nth order and X is a function of the form k, e^{ax} , Sinax, Cosax, x^{n}.
UnitII Laplace Transforms
3.0 Use Laplace Transforms to solve differential equation in engineering problems
3.1 Write the definition of Laplace Transform and Laplace transform of standard functions.
3.2 Explain the sufficient conditions of existence of Laplace Transform.
3.3 Write the properties of Laplace Transform – Linear property, First shifting property, Change of Scale.
3.4 Solve simple problems using the above properties
3.5 Write formulae for Laplace transform of interms of Laplace transform of .
3.6 Solve simple problems using the above formulae.
3.7 Define unit step function and write the Laplace Transform of unit step function.
3.8 Write second shifting property.
3.9 Define inverse Laplace Transform and write inverse Laplace Transform of standard functions.
3.10 Solve simple problems on 3.9
3.11 Write first shifting property of inverse Laplace Transfrom.
3.12 Solve simple problems on 3.11
3.13 Write inverse Laplace Transforms corresponding to Laplace Transform of the functions mentioned in section 3.5
3.14 Solve simple problems on 3.13.
3.15 Define convolution of two functions and state convolution theorem.
3.16 Solve simple problems on 3.15.
3.17 Use Laplace and inverse Laplace Transforms to solve simple differential equations of second order.
UnitIII Fourier Series
4.0 Know Fourier Series expansion of functions
4.1 Define the orthogonality of functions in an interval.
4.2 Define Fourier series of a function on the interval and write the Euler’s formulae for determining the Fourier coefficients.
4.3 Write sufficient conditions for the existence of Fourier series for a function.
4.4 Find Fourier series of simple functions in the range .
4.5 Write Fourier series for even and odd functions in the interval .
4.6 Write Fourier series expansion of a function over the interval
4.7 Write half range Fourier sine and cosine series of a function over the interval
4.8 Solve simple problems on 4.5, 4.6 and 4.7
UnitIV Probability
5.0 Understand the basic concepts of
5.1 Recall sets, operations on sets and Venndiagrams.
5.2 Explain the terminology – random experiment, outcome, sample space, elementary event and event.
5.3 Define Probability – Empirical approach and axiomatic approach (Mathematical).
5.4 Prove addition theorem of probability for two mutually exclusive and exhaustive events.
5.5 State addition theorem of probability for three mutually exclusive and exhaustive events.
5.6 Solve simple problems on addition theorem.
5.7 Explain dependent, independent events and conditional event.
5.8 State the formula for conditional probability.
5.9 State multiplication theorem of probability.
5.10 State Bayes’ theorem.
5.11 Solve simple problems on conditional probability and Bayes’ theorem.
Course Content
Differential Equations
1.Homogenous linear differential equations with constant coefficients of order two and higher with emphasis on second order.
2.Nonhomogenous linear differential equations with constant coefficients of the form f(D)y = X
where X is in the form k, e^{ax}, sin ax, cos ax, x^{n}, (n= 1,2) – complimentary function, particular integral and general solution.
Laplace Transforms(LT)
3.Definition, sufficient conditions for existence of LT, LT of elementary functions, linearity property, scale change property, first shifting property, multiplication by t^{n}, division by t, LT of derivatives and integrals, unit step function, LT of unit step function, second shifting theorem, inverse Laplace transforms shifting theorems and change of scale property, multiplication by s^{n} and division by s – examples of inverse LT using partial fractions – convolution theorem (no proof) – applications of LT to solve ordinary differential equations with initial conditions (2^{nd} order only)
Fourier Series
4. Orthogonality of trigonometric functions, Representation of a function in Fourier series over the interval, Euler’s formulae , sufficient conditions for existence of Fourier series for a function, even, odd functions and their Fourier series over the interval , Change of length of interval – Fourier series , half range series.
Probability
5 Review of sets, operations on sets and Venndiagrams; random experiment, outcome, sample space, elementary event and event, equally likely events, Definition of Probability – Empirical approach and axiomatic approach (Mathematical), addition theorem of probability for two mutually exclusive and exhaustive events, extension of addition theorem for three mutually exclusive and exhaustive events, dependent, independent events and conditional event, probability of a conditional event, multiplication theorem, Bayes’ theorem.
Reference Books :

Higher Engineering Mathematics, B.V.Ramana, Tata McGrawHill

Probability, 2/e Schaum’s Outlines Series, McGrawHill

Elementary Probability and Statistics, by S.C.Gupta and V.K.Kapoor
LINEAR INTEGRATED CIRCUITS
Subject Title : LINEAR INTEGRATED CIRCUITS
Subject Code : EC 402
Periods/Week : 05
Periods/Semester : 75
Rationale: Linear integrated circuits is a core subject which gives a clear insight in to the Use of operational amplifiers and other integrated circuits in Industrial applications . Emphasis is laid on fundamental concepts and practical applications
TIME SCHEDULE
Sl

Major Topics

Periods

Weightage of Marks

Short Answer Questions

Essay Type Questions

1

IC Manufacturing

10

16

2

1

2

Operational Amplifier

14

16

2

1

3

OpAmp Applications

18

26

2

2

4

Non Linear Wave Shaping Circuits, Timers and PLL

18

26

2

2

5

Instrumentation amplifiers, A/D & D/A Converters

15

26

2

2



75

110

10

8

OBJECTIVE:
The student will be able to

Explain the IC Manufacturing methods

List the advantages and disadvantages of Integrated Circuits over discrete assembly.

Classify ICs based on manufacturing process (monolithic, thin film, thick film and hybrid).

Describe the manufacturing process of monolithic ICs.

Describe the fabrication of resistor, and capacitor on monolithic IC.

Describe the fabrication of diode and transistor on monolithic IC.

List different IC packages.

Draw the shape of above package types

Mention the power rating of above packages.

Explain various levels of integration (SSI, MSI, LSI, VLSI etc.,).

Explain the Surface Mount Technology (SMT)

List 6 merits of SMT Technology..

Understand the working Differential amplifiers and Operational amplifiers.

Draw and explain the differential amplifier.

State the function of an operational amplifier.

Draw the symbol of an operational amplifier.

State the important characteristics of ideal operational amplifier.

Define Input impedance, Open loop gain, Slew rate, CMRR, Input offset voltage, Input offset Current and give the typical values of each.

Draw the block diagram and pin out diagram of IC 741 and explain each block

Give the Pin configuration of IC 741

State the function of Each pin.

Explain the power supply requirements of Operational Amplifier.

Explain the Inverting amplifier configuration of Op Amp.

Draw the input and output waveforms

Explain the concept of virtual ground.

Derive the equation for voltage gain

Explain the effect of feedback on input impedance and Bandwidth.for inverting amplifier configuration

Explain the Non Inverting amplifier configuration of Op Amp.

Derive the formula for Voltage gain.

Explain the effect of feedback on input impedance and Bandwidth.for Non inverting amplifier configuration.

Explain single supply operation of Operational Amplifier.

Give the pin configuration of single supply Op Amps such as CA 3011 ,LM324

List 6 important features of above ICs
.

Understand Operational Amplifier applications

Draw and explain OPAmp Weinbridge Oscillator circuit

State the conditions required for stable operation of above circuit

Draw and Explain RC Phase shift oscillator circuit using OP Amp

Explain Gain Bandwidth of OpAmp

Define Sweep Voltage.

State the fundamental consideration of sweep waveform.

Distinguish between voltage and current timebase generation and list their applications.

Draw and explain Bootstrap sweep circuit.

Draw and explain Miller’s sweep circuit using op Amp.

Classify Multi vibrators.

Draw and explain the working of OPAmp Bistable multi vibrator with waveforms.

Draw and explain the working of OPAmp Monostable multivibrator with waveforms.

Draw and explain the working of OPAmp Astable multi vibrator with waveforms.

List 6 applications of multivibrators

Draw and explain the working of OPAmp Schmitt trigger circuit.

Explain the use of operational amplifier as i) inverter , ii) Buffer iii) Summing Amplifier iv)Scale changer v) Integrator vi) Differentiator

List the types of IC regulators and give the advantage of IC regulators

Explain the operation of fixed positive and negative voltage regulators.(using 7800 series and 7900 series)

Explain the operation of adjustable voltage regulator (LM317).

Understand Non Linear Wave Shaping Circuits, Timers and PLL

List the different types of clippers.

Explain the unbiased and biased clippers with waveforms

Explain the double ended clipper with waveforms

Explain the principle of clamper circuit with waveforms

Mention the applications of clippers and clampers

Draw the block diagram of 555 IC and explain.

Explain the working of astable multi using 555 IC.

Explain the working of Monostable Multivibrator using 555 IC.

Explain the concept of Phase locked loops

Draw and explain the block diagram of PLL – LM565.

Explain the operation VCO (LM566)

Define lock range of PLL

Define capture range of PLL.

Give design rules(Formulas) for implementing PLL circuit

List the applications of PLL.

Explain frequency multiplier and FM demodulator using PLL.

Understand Instrumentation amplifiers, A/D and D/A Converters.

Draw and explain the instrumentation amplifier using three OpAmps

Advantages of instrumentation amplifier.

Explain the Voltage to current converter circuit.

List 3 applications of Voltage to current converter.

Explain the Current to Voltage converter circuit .

List 3 applications of Current to Voltage converter.

State the need for A/D and D/A conversion.

Explain the terms resolution, Accuracy, Monotonicity and settling time of D/A converter.

Explain D/A conversion using binary weighted resistors.

Explain D/A conversion using R2R ladder network.

Explain A/D conversion using counter method.

Explain A/D conversion using successive approximate method
Course Contents:

IC Manufacturing Classifications of ICs based on manufacturing process, IC packages , IC Regulators Transistor series and shunt regulators.

Operational amplifiers Differential amplifiers and Operational amplifiers. Parameters definitions.

Operational Amplifier applications –OPAmp as summer, integrator, differentiator, inverter and multiplier.,OPAmp as Sine Wave and Square Wave generator( Wein Bridge Oscillators and Schmitt Trigger circuit).

Non Linear Wave Shaping Circuits Like Clippers and Clamper Circuits,555 Timer block diagram, 555 Timer as Astable and Monostable Multivibrator , voltage Control Oscillators and PLL.

Instrumentation amplifiers (three opAmps type), A/D and D/A Converters, define the terms the terms resolution, Accuracy, Monotonicity and settling time of D/A converter. DAC and ADC using opAmps.
Reference Books

Electronic Devices and Circuits by Bogart, TMH

Integrated Electronics by Milliman and Hallkias, TMH

Linear Integrated Circuits by Gaykwad,

Linear Integrated Circuits by Roy Chowdary

Linear Integrated Circuits by Clayton.
