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  • 4:11 AM, Tuesday, 26 May 2020

Course Undergraduate
Semester Electives
Subject Code AV486
Subject Title Antenna Theory and Design


Antenna Fundamentals–Basic Radiation Mechanism, Common Types of Antennas, Antenna Parameters –Impedance, Bandwidth, Directivity, Gain, Efficiency, Beamwidth, Polarization and Efficiency , Equivalent Circuit of Antennas, Antenna in receiving mode, basic concept of circular polarization, axial ratio, polarization loss factor. Wire Antennas- Radiation Integrals and Auxiliary Potential Functions, Solutions of the Inhomogeneous Vector Potential Wave Equation, Linear Wire Antennas: Field analysis of the ideal Dipole, Electrically Short or Small Dipoles , The Half-Wave Dipole, Calculation of radiation resistance, gain, directivity, HPBW for various cases, The Dipole of Arbitrary Length , Antennas on or Near PEC Ground Planes, concept of monopole antenna, Loop Antenna:analysis of small circular loop, Radiation resistance, radiation pattern, radiation intensity and directivity. Antenna Arrays – Fundamentals of Antenna Arrays , basic analysis and pattern of two element array, N-element linear array, Graphical Method for Developing the Radiation Pattern, broadside and end fire array, Pattern Multiplication Theorem, Half-Power Beam Width ( HPBW ), Directivity, Side Lobe Level (SLL) , Even Element Linear Array with Uniform Spacing and Nonuniform Excitation - Directivity for Binomial Arrays, Basic concept of Planar Arrays - Mutual Impedance and Driving Point impedance of Antenna Arrays, Yagi-Uda Antennas, Log Period Antenna. Broadband Antenna- Different techniques of bandwidth enhancements, biconical antenna, Travelling wave antennas, Helical antenna, Folded dipole Antenna, fundamental concept of UWB Antennas. Microstrip Antennas- Basic characteristics, feeding methods, methods of analysis- transmission line and cavity model analysis, design of rectangular and circular patch antennas, quality factor, bandwidth and efficiency, design for circularly polarization, bandwidth and gain enhancement techniques. Fundamentals of Horn and Reflector Antenna Fundamentals of Antenna Measurements

Text Books

1. Constantine A. Balanis, Antenna Theory, Analysis and Design, Second edition, John
Willey and Son, Inc.

2. Warren L. Stutzman, Gary A. Thiele, Antenna Theory and Design, 2nd Edition, John
Willey and Son, Inc.


Same as Text books