REVIEW OF HORN ANTENNA

Electronics and telecommunication

Objective of this paper is to depict a survey of the work done describing the researches in the area of the horn antenna design, so as to get a clear idea on history of techniques developed for design of the horn antenna also the current research going on for this era. Many applications make use of horn antenna. For example, Electromagnetic compatibility testing, standard gain measurement, satellite tracking system, radar, communication system and reflectors feeding etc. In early 90s, use of ridges in waveguides became proposed to meet the want for broadband antennas. In addition to that, horn antennas were having many advantages such as they are simple to build, provide very good directional performance, and show excellent peak power handling capability. Simple horn antennas have relatively limited bandwidth. In order to increase this bandwidth ridges are used in horns. Ridges are inserted to increase bandwidth, cut-off frequency, surfaces of antenna provided for larger radiation and energy that can be radiated. Different types of horn antennas are studied. Properties of antenna such as gain, bandwidth, directivity, radiation pattern, return loss, radiation efficiency etc are varied based on their shapes, dimensions, thickness, conducting material and feeding techniques

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