PRINTED DIPOLE ANTENNA WITH ARTIFICIAL MAGNETIC CONDUCTOR GROUND PLANE

Abu, Maisarah (2012) PRINTED DIPOLE ANTENNA WITH ARTIFICIAL MAGNETIC CONDUCTOR GROUND PLANE. In: Antenna and Applied Electromagnetic Application. Penerbit UTM, pp. 1-11. ISBN ISBN 978-983-52-0827-0

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Abstract

Low profile antennas above the perfect electric conducting (PEC) surface have very small gain, due to the destructive interference between the antenna and its image. Furthermore, for the dipole antenna to work properly at its resonance frequency, the distance between the antenna and the metallic surface must be quarter wavelength. In addition, when a dipole is placed around a PEC surface, currents are induced on the ground plane. When the dipole is placed very close to the PEC, either on top or near the edge, the radiation of the induced currents will cancel the radiation from the dipole, resulting in low radiation efficiency. This formed the motivation to introduce Artificial Magnetic Conductor (AMC) surfaces as supporting structures for low profile antennas. By introducing AMC as a ground plane (GP) for the printed dipole antenna, the interference between the antenna and its image will be constructive, and the antenna gain will be increased. Therefore AMC plays an important role to reduce the size of low profile antennas, or in other words it can be used to reduce the overall thickness of the antenna.

Item Type: Book Section
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Electronics and Computer Engineering > Department of Telecommunication Engineering
Depositing User: dr maisarah abu
Date Deposited: 28 Mar 2013 09:25
Last Modified: 28 May 2015 03:46
URI: http://eprints.utem.edu.my/id/eprint/7044
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