MLR Institute of Technology

Laxma Reddy Avenue, Dundigal, Quthbullapur (M), Hyderabad – 500 043Phone Nos: 08418 – 204066 / 204088, Fax: 08418 – 204088

ELECTRONICS AND COMMUNICATION ENGINEERING

COURSE DESCRIPTION FORM

Course Title ELECTROMAGNETIC THEORY AND TRANSMISSIONLINES

Course Code A40411

Regulation R13-JNTUH

Course Structure Lectures Tutorials Practicals Credits

5 - - 4

Course Coordinator Mr. Y.VenkatRao, Assistant Professor

Team of Instructors Mr. Ravi. K, Assistant Professor

I. COURSE OVERVIEW:

The course covers the basics of the electrostatic field-Gauss's law; boundary conditions; capacitance;

Laplace’s and Poisson’s equations; energy, forces, and torques. The steady electric current. The magneto

static field, vector potential; Ampere’s and Biot-Savart laws; inductance; energy, forces, and torques. Quasi

static fields; electromagnetic induction. It also deals with the propagation of Electromagnetic (EM) waves

through guided and unguided media.

I. PREREQUISITE(S):

Level Credits Periods / Week Prerequisites

UG 4 5 Mathematical background and Logical Thinking

II. MARKS DISTRIBUTION:

University TotalSessional Marks (25 Marks) End Exam Marks

MarksMid Semester Test 75 100There shall be 3 midterm examinations.Each midterm examination consists of subjective type and Objective type tests.The subjective test is for 10 marks, with duration of 1 hour.Subjective test of each semester shall contain 4 questions.The student has to answer 2 questions, each carrying 5 marks.The objective type test is for 10 marks with duration of 20minutes.It consists of 10 Multiple choice and 10 objective type questions.The student has to answer all the questions and each carries half mark.First midterm examination shall be conducted for the first unit of syllabus andsecond midterm examination shall be conducted for the remaining portion.Five marks are earmarked for assignments.There shall be three assignments in every theory course.Marks shall be awarded considering the average of two assignments in eachcourse reason whatsoever, will get zero marks(s).

III. EVALUATION SCHEME:

S No. Component Duration (Min) Marks

1 I Mid descriptive exam 60 10

2 I Mid Objective 20 10

3 Assignment 5

4 II Mid descriptive exam 60 10

5 II Mid Objective 20 10

6 Assignment 5

IV. COURSE OBJECTIVES:

This course has the basics of electric and magnetic fields such as different charge densities, flux (electric and magnetic), scalar and vector potentials, emf, mmf, and capacitance induced and propagation of EM waves through

To introduce the concept of co-ordinate systems and types to analyze the motion of object and their applications in free space to student.

To impart the knowledge of electric and magnetic fields in real time applications.

To introduce the fundamental theory of electromagnetic waves in transmission lines and their practical applications.

To study the propagation characteristics of electromagnetic wave in bounded and unbounded media.

To calculate various line parameters by conventional and graphical methods

V. HOW COURSE OUTCOMES ARE ASSESSED:

Program Outcomes Level Proficiencyassessed by

a. An ability to apply knowledge of basic sciences, mathematical Assignments,skills, engineering and technology to solve complex electronics and S Exercisescommunication engineering problems

b. An ability to identify, formulate and analyze engineering problems Assignments,using knowledge of Basic Mathematics and Engineering Sciences. S Exercises

c. An ability to provide solution and to design Electronics and Hands on PracticeCommunication Systems as per social needs S Sessions

d. An ability to investigate the problems in Electronics and Hands on PracticeCommunication field and develop suitable solutions. S Sessions

e. An ability to use latest hardware and software tools to solve S Hands on Practicecomplex engineering problems Sessions

f. An ability to apply knowledge of contemporary issues like health,Safety and legal which influences engineering design N

g. An ability to have awareness on society and environment forsustainable solutions to Electronics and Communication NEngineering problems

h. An ability to demonstrate understanding of professional and ethical Nresponsibilities

i. An ability to work efficiently as an individual and in S Seminarsmultidisciplinary teams Discussions

j. An ability to communicate effectively and efficiently both in verbal N

and written formk. An ability to develop confidence to pursue higher education and for S Hands on Practice

life-long learning Sessions,Workshop, Mini

Projects, Prototypesl. An ability to design, implement and manage the electronic projects Hands on Practice

for real world applications with optimum financial resources S Sessions,Workshop, Mini

Projects, PrototypesN = None S = Supportive H = Highly Related

VI. SYLLABUS:

UNIT – IElectrostatics: Coulomb’s law, Electric field Intensity, Fields due to different charge distributions, ElectricFlux Density, Gauss law and its Applications, Electric Flux Density, Gauss law and its Applications,Electric Potential, Relation Between E and V, Maxwell’s Two equations for Electrostatic Fields, energy Density, Maxwell’s Two equations for Electrostatic Fields, energy Density, Illustrative Problems.Convection and Conduction Currents, Dielectric Constant, Isotropic and Homogeneous Dielectrics, Continuity Equation and Relaxation Time, Poisson’s and Laplace’s Equations, Capacitance- Parallel plate, Co-axial and Spherical capacitors, Illustrative Problems.

UNIT-IIMagneto statics: Biot - Savart Law, Ampere’s circuital Law and Applications, Magnetic Flux Density, Maxwell’s Two Equations for Magneto static fields, Magnetic Scalar and Vector Potentials, Forces due to Magnetic Fields, Ampere’s force Law, Forces due to Magnetic Fields, Ampere’s force Law, Forces due to Magnetic Fields, Ampere’s force Law, Inductances and Magnetic Energy, Illustrative Problems.

Maxwell’s Equations (Time Varying Fields): Faraday’s Law and Transformer emf, Inconsistence of Ampere’s Law and Displacement Current density, Maxwell’s Equations indifferent Final Forms and WordStatements, Conditions at a boundary Surface: Dielectric-dielectric, dielectric-conductor Interfaces, Illustrative Problems.

UNIT-IIIEM Wave Characteristics-I: Wave Equations for conducting and Perfect Dielectric Media, Uniform Plane Waves-Definition, All Relations between E and H, Sinusoidal Variations, Wave Propagation in Lossless and Conducting Media, Conductors and Dielectrics-Characterization, Wave Propagation in good conductors and Good Dielectrics, Polarization, Illustrative Problems.

EM Wave Characteristics-II: Reflection and Refraction of Plane waves-Normal and Oblique Incidences for Perfect Dielectric, Brewster angle, Critical Angle, Total Internal Reflection, Surface Impedance, Poynting Vector Poynting Theorem-Applications, Power Loss in Plane Conductor, Illustrative Problems.

UNIT-IVTransmission Lines-I: Types, Parameters, Transmission line Equations, Primary and Secondary Constants, Expressions for Characteristic Impedance, Propagation Constant, Phase and Group Velocities, Infinite Line Concepts, Losslessness/Low Loss Characterization, Distortion-Condition for Distortionlessness and Minimum Attenuation, Loading- Types of loading, Illustrative Problems.

UNIT-VTransmission Lines-II: Input Impedance Relations, SC and OC Lines, Reflection Coefficient, VSWR, UHF Lines as Circuit Elements, λ/4, λ/2 and λ/8 Lines- Impedance Transformations, Significance of Zmin

and Zmax , Smith Chart-Configuration and Applications, Single and Double Stub Matching, Illustrative Problems.

Text Books:1. Elements of Electromagnetic- Matthew N.o. Sadiku, 4thEd. Oxford Univ. Press. 2. Electromagnetic waves and Radiating Systems- E.C. Jordan and K.G. Balmain, 2ndEd., 2000, PHI. 3. Transmission lines and Networks- Umesh Sinha, Satya Prakashan, 2001, (Tech, India Publications),

New Delhi.

Reference Books:1. Engineering Electromagnetic- Nathan Ida, 2ndEd., 2005, Springer (India) Pvt. Ltd., New Delhi. 2. Engineering electromagnetic- William H. Hayt Jr. and John A. Buck, 7thEd., 2006, TMH. 3. Electromagnetic Field theory and Transmission Lines- G.

Sashibushana Rao, Wiley India, 2013.

4. Networks, Lines and Fields- John D. Ryder, 2nd Ed., 1999, PHI.

VII. COURSE PLAN:

Unit No Course Learning Lecture Topics to be name ReferenceCLO’s Objective Number

Number

I 1 To design flux 1 Coulomb’s law, Electric field T1controlled motors Intensityand generators 2 Fields due to different charge T1

distributions3-4 Electric Flux Density, Gauss law T1, T2

and its Applications5 Electric Potential, Relation T1,T2

Between E and V2 To analyze the 6-7 Maxwell’s Two equations for T1

Maxwell’s Electrostatic Fields, energy Densityelectrostatic field 8 Illustrative Problems T1equations 9 Convection and Conduction T1

Currents10 Dielectric Constant, Isotropic and T1

Homogeneous Dielectrics3 To design long time 11 Continuity Equation and Relaxation T1

charge Timeboosters(chargers)

12 Poisson’s and Laplace’s EquationsT1

4 Design of dielectric 13 Capacitance- Parallel plate, Co- T1or synthetic axial and Spherical capacitorscapacitors 14 Illustrative Problems T1

II 5 To know the energy 15-16 Biot-Savart Law, Ampere’s Law T1storage design of and Applicationshigh magnetic filed 17 Magnetic Flux Density T1coils used in 18 Maxwell’s Two Equations for T1transformers Magneto static fields,motors and 19 Magnetic Scalar and Vector T1generators PotentialsOR 20 Forces due to Magnetic Fields, T1magnetic coupled Ampere’s force Lawdevices 21 Inductances and Magnetic Energy T1

22 Illustrative Problems T16 Design of ac and dc 23 Maxwell’s Equations (Time T1

motors and Varying Fields), Faraday’s Law andgenerators Transformer EMF

III 24 Inconsistence of Ampere’s Law and T1Displacement Current density

25 Maxwell’s Equations indifferent T1Final Forms and Word Statements

7 To know the skin 26 Conditions at a boundary Surface: T1depth of materials Dielectric-dielectric, dielectric-

conductor Interfaces27 Illustrative Problems T1

8 To understand the 28 Wave Equations for conducting and T1media Perfect Dielectric Mediacharacteristics 29 Uniform Plane Waves-Definition, T1

All Relations between E and H30 Sinusoidal Variations T131 Wave Propagation in Lossless and T1

Conducting Media9 To understand the 32 Conductors and Dielectrics- T1,T2

material Characterizationcharacteristics 33 Wave Propagation in good T1,T2

conductors and Good Dielectrics10 To understand the 34 Polarization and types T1

wave motion in 35 Illustrative Problems T1guided and unguided media

11 To know the skin 36 Reflection And Refraction of Plane T1depth of materials Waves

37 Normal and Oblique Incidences for T1Perfect Conductor

38 Normal and Oblique Incidences for T1Perfect Dielectric

39 Brewster angle, Critical Angle T1,T240 Total Internal Reflection, Surface T1

Impedance

12 To understand the 41 Poynting Vector, Poynting T1,T2behavior of EM Theorem-Applicationssignal 42 Power Loss in Plane Conductor T1

43 Illustrative Problems T1IV 13 Design of 44 Constants Types, T3

transmission lines 45-46 Transmission line Equations, T1,T3and to understand Primary and Secondary Parameterscharacteristics 47-48 Expressions for Characteristic T3

Impedance, Propagation Constant,Phase and Group Velocities

49 Infinite Line Concepts T1, T350 Losslessness/Low Loss T3

Characterization51-52 Distortion-Condition for T3

Distortionlessness and MinimumAttenuation

53 Loading, Types of loading T1, T354 Illustrative Problems T3

V 14 Design of electronic 55-56 and OC Lines T3and electricalcircuits 57 Reflection Coefficient, VSWR T3

58 UHF Lines as Circuit Elements T315 Design and 59-60 λ/4, λ/2 and λ/8 Lines- Impedance T1, T3

understanding of Transformationsantenna elementslike dipoles and itsbehavior

16 To achieve theimpedance matching 61 Significance of Zmin and Zmax T3

62 Smith Chart-Configuration and T1,T3Applications

17 Design of couplers 63-64 Single and Double Stub Matching T1,T365 Illustrative Problems T3

VIII. MAPPING COURSE OBJECTIVES LEADING TO THE ACHIEVEMENT OF PROGRAM OUTCOMES:

Course ObjectivesProgram Outcomes

a b c d e f g h i j k l

I a b c d e f g h i j k l

II S S S

III H S H S H

IV S S H S

V H S S H

VI H S H S

S = Supportive H = Highly Related

IX.MAPPING COURSE OUTCOMES LEADING TO THE ACHIEVEMENT OF PROGRAMOUTCOMES:

Course OutcomesProgram Outcomes

a b c d e f g h i j k l

1 S H H

2 S H S H

3 S H S

4 H S S

5 S S

6 S S H

7 S H H

8 S H H

9 S H S H

10 S H S

11 H S S

12 S S

13 S S H

14 S H S S

15 S H S H

16 S H S

17 H S S

S = Supportive H = Highly Related

Prepared By: Mr. Y. Venkat Rao, Assistant Professor; Mr. Ravi. K, Assistant Professor

HOD, ELECTRONICS AND COMMUNICATION ENGINEERING