UNIT I : Antenna Basics & Dipole antennas: Introduction, Basic antenna parameters- patterns, Beam Area, Radiation Intensity, Beam Efficiency, Directivity-Gain-Resolution, Antenna Apertures, Effective height, Fields from oscillating dipole, Field Zones, Shape-Impedance considerations, Polarization Linear, Elliptical, & Circular polarizations, Antenna temperature, Antenna impedance, Front to-back ratio, Antenna theorems, Radiation Basic Maxwell s equations, Retarded potential-helmholtz Theorem, Radiation from Small Electric Dipole, Quarter wave Monopole and Half wave Dipole Current Distributions, Field Components, Radiated power, Radiation Resistance, Beam width, Natural current distributions, far fields and patterns of Thin Linear Center-fed Antennas of different lengths, Illustrative problems. g) Acquire team-work skills for working effectively in groups. f) Develop technical & writing skills important for effective communication. e) Determine the radiation patterns (in principal planes) of antennas through measurement setups.
d) Design some practical antennas such as dipole, Yagi - uda, and horn antennas. c) Become proficient with analytical skills for understanding practical antennas. Learning Outcome: Through lecture, and out-of-class assignments, students are provided learning experiences that enable them to: a) Understand the basic principles of all types of antennas and b) Analyze different types of antennas designed for various frequency ranges. and broadband, aperture type and horn antennas. To know the applications of some basic and practical configurations such as dipoles, loops, 4. Applying the principles of antennas to the analysis, design, and measurements of antennas.
To introduce the fundamental principles of antenna theory and various types of antennas. III - I Sem (13A04501) ANTENNAS & WAVE PROPAGATION Course Objective: 1.
of ECE P a g e 1Ģ JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY ANANTAPUR B.Tech. 1 Lecture Notes On Antenna & Wave Propagation B.TECH ECE III YEAR I SEMESTER (JNTUA-R13) by Dr.V.Thrimurthulu Professor & Head Department of Electronics & Communication Engineering Chadalawada Ramanamma Engineering College Chadalawada Nagar, Renigunta Road Tirupathi CREC Dept.
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