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Archimedean spiral antenna on moveable ground plane for UWB applications

AbdiRahman, M. S. and Che Seman, Fauziahanim and Waddah, A. (2015) Archimedean spiral antenna on moveable ground plane for UWB applications. ARPN Journal of Engineering and Applied Sciences, 10 (4). pp. 1606-1612. ISSN 1819-6608

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In this paper we investigate the performance of a two-arm Archimedean spiral antenna over a moveable conducting ground plane (GP) for UWB applications. The performance of the antenna in terms of return loss, gain, axial ratio and radiation pattern are analyzed when the electrical separation between the spiral arm and ground plane is maintained at 0.25 λ over the frequency range 3.1 – 10.6 GHz. The results demonstrate that as physical separation of the GP reduces, the overall antenna’s performance deteriorates. The results show that gain of the spiral antenna can be increased more than 9 dB with -10 dB operating bandwidth of more than 100%. The simulated and measured results have shown good agreements.

Item Type: Article
Uncontrolled Keywords: UWB; ASA; ground plane reflector
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Electrical and Electronic Engineering > Department of Communication Engineering
Depositing User: Normajihan Abd. Rahman
Date Deposited: 10 Jan 2017 04:33
Last Modified: 10 Jan 2017 04:33
URI: http://eprints.uthm.edu.my/id/eprint/8115
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