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Electromagnetic Waves and Transmission Lines

Electromagnetic Waves and Transmission Lines

Published by uLektz

Course Code:ULZ0408

Author:uLektz

University: General for All University

Regulation:2016

Categories:Electronics & Communication

Format : ico_bookePUB3 (DRM Protected)

Type :eBook

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Note : No printed book. Only ebook. Access eBook using uLektz apps for Android, iOS and Windows Desktop PC.

Topics
UNIT I ELECTROSTATICS

1.1 Review of Co-ordinate Systems

1.2 Electrostatics - Coulomb’s Law, Electric Field Intensity

1.3 Electric Flux Density - Gauss Law and Applications , Electric Potential

1.4 Maxwell’s Two Equations for Electrostatic Fields - Energy Density , Illustrative Problems

1.5 Convection and Conduction Currents - Dielectric Constant, Continuity Equation, Relaxation Time

1.6 Poisson’s and Laplace’s Equations - Capacitance, Parallel Plate, Coaxial Capacitors, Illustrative Problems

UNIT II MAGNETO STATICS AND MAXWELL’S EQUATIONS

2.1 Biot-Savart Law - Ampere’s Circuital Law and Applications

2.2 Magnetic Flux Density - Maxwell’s Two Equations for Magnetostatic Fields

2.3 Magnetic Scalar and Vector Potentials - Forces due to Magnetic Fields, Ampere’s Force Law, Inductances and Magnetic Energy, Illustrative Problems

2.4 Maxwell’s Equations (Time Varying Fields) - Faraday’s Law and Transformer emf, Inconsistency of Ampere’s Law and Displacement Current Density

2.5 Maxwell’s Equations in Different Final Forms and Word Statements - Conditions at a Boundary Surface, Dielectric-Dielectric and Dielectric-Conductor Interfaces, Illustrative Problems

UNIT III EM WAVE CHARACTERISTICS - I

3.1 EM Wave Characteristics -I - Wave Equations for Conducting and Perfect Dielectric Media

3.2 Uniform Plane Waves – Definition - All Relations Between E & H, Sinusoidal Variations

3.3 Wave Propagation in Lossy dielectrics, Lossless dielectrics - Wave propagation in free space, Wave Propagation in Good Conductors, Skin depth

3.4 Polarization - Illustrative Problems

UNIT IV EM WAVE CHARACTERISTICS – II

4.1 EM Wave Characteristics – II: Reflection and Refraction of Plane Waves

4.2 Normal and Oblique Incidences for both Perfect Conductor and Perfect Dielectrics - Brewster Angle, Critical Angle and Total Internal Reflection, Surface Impedance.

4.3 Poynting Vector and Poynting Theorem – Applications, Power Loss in a Plane Conductor, Illustrative Problems

UNIT V TRANSMISSION LINES - I

5.1 Transmission Lines - I : Types, Parameters - T&π Equivalent Circuits

5.2 Transmission Line Equations - Primary & Secondary Constants, Expressions for Characteristic Impedance, Propagation Constant

5.3 Phase and Group Velocities - Infinite Line Concepts, Lossless/Low Loss Characterization

5.4 Distortion – Condition for Distortionless and Minimum Attenuation

5.5 Loading - Types of Loading , Illustrative Problems

UNIT VI TRANSMISSION LINES – II

6.1 Transmission Lines – II: Input Impedance Relations - SC and OC Lines, Reflection Coefficient, VSWR

6.2 Low loss radio frequency lines and UHF Transmission lines - UHF Lines as Circuit Elements, λ/2, λ/4, λ/8 Lines – Impedance Transformations

6.3 Smith Chart – Configuration And Applications - Quarter wave transformer

6.4 Single and Double Stub Matching, Illustrative Problems

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