Electromagnetic Waves and Transmission Lines By U A Bakshi, A V Bakshi
Electromagnetic Waves and Transmission Lines is Gtu Reference book for B.tech Electronics and Communications Engineering Branch Students in Engineering Second Year by U A Bakshi, A V Bakshi.
Electrostatics – I : Coulomb’s law, Electric field intensity – Fields due to different charge distributions, Electric flux density, Gauss law and applications, Electric potential relations between E and V, Maxwell’s two equations for electrostatic fields, Energy density, Illustrative problems. Electrostatics – II : Convection and conduction currents, Dielectric constant, Isotropic and homogeneous dielectrics, Continuity equation, Relaxation time, Poisson’s and Laplace’s equations; Capacitance – parallel plate, Co-axial, Spherical capacitors, Illustrative problems. Magnetostatics : Biot-Savart law, Ampere’s circuital law and applications, Magnetic flux density, Maxwell’s two equations for magnetostatic fields, Magnetic scalar and vector potentials, 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 e.m.f.,
Inconsistency of Ampere’s law and displacement current density, Maxwell’s equations in different final forms and word statements. Conditions at a boundary surface : Dielectric-dielectric and dielectric-conductor interfaces. Illustrative problems. EM 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 both perfect conductor and perfect dielectrics, Brewster angle, Critical angle and total internal reflection, Surface impedance, Poynting vector and Poynting theorem – Applications, Power loss in a plane conductor. Illustrative problems. Transmission 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. Transmission Lines – II : Input impedance relations, SC and OC lines, Reflection coefficient, VSWR, UHF lines as circuit elements,l/4, l/2, l/8 lines – impedance transformations, Singificance of Zmin and Zmax, Smith chart – Configuration and applications, Single and double stub matching, Illustrative problems.
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