EC6602 AWP Notes, ANTENNA AND WAVE PROPAGATION Lecture Notes – ECE 6th SEM Anna University


EC6602  AWP Notes

Anna University Regulation 2013 Electronic Communications Engineering (ECE) EC6602  AWP Notes for all 5 units are provided below. Download link for ECE 6th SEM EC6602  ANTENNA AND WAVE PROPAGATION  Lecture Notes are listed down for students to make perfect utilization and score maximum marks with our study materials.


An antenna is a device that provides a transition between electric currents on a conductor and electromagnetic waves in space. A transmitting antenna transforms electric currents into radio waves and a receiving antenna transforms an electromagnetic field back into electric current.
There are several basic properties that are common to all antennas:
Reciprocity: an antenna‘s electrical characteristics are the same whether it is used for transmitting or receiving. Because this is always true, throughout this lecture, we will consider antennas as transmitting antennas.
Polarization: polarization is the orientation of the electric field vector of the electromagnetic wave produced by the antenna. For most antennas, the orientation of the antenna conductor determines the polarization. Polarization may be vertical, horizontal or elliptical.

Near field (induction field): Electromagnetic field created by an antenna that is only significant at distances of less than 2D/ from the antenna, where D is the longest dimension of the antenna.
Near field region: A spherical region of radius 2D/ centered on the antenna. Far field (radiation field): electromagnetic field created by the antenna that extends throughout all space. At distances greater than 2D/ from the antenna, it is the only field. It is the field used for communications.
Far field region: The region outside the near field region, at distances greater than 2D/.
EC6602  AWP All Unit  notes – Download Here
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