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Performance enhancement of a wideband spiral antenna using a stepped ground plane

Mohamad, Sarah Yasmin and Cahill, Robert and Fusco, Vincent (2014) Performance enhancement of a wideband spiral antenna using a stepped ground plane. Microwave and Optical Technology Letters, 56 (3). pp. 753-757. ISSN 0895-2477

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Abstract

This study presents the use of a stepped ground plane as a means to increase the gain and front-to-back ratio of an Archimedean spiral which operates in the frequency range 3–10 GHz. The backing structure is designed to optimize the antenna performance in discrete 1 GHz bands by placing each of the eight metal steps one quarter wavelength below the corresponding active regions of the spiral. Simulated and experimental results show that this type of ground plane can be designed to enhance the antenna performance over the entire 105% operating bandwidth of the spiral.

Item Type: Article (Journal)
Additional Information: 7441/43962
Uncontrolled Keywords: spiral antennas; cavity backed antennas; UWB antennas; self-complementary antennas; stepped ground plane; active region
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK5101 Telecommunication. Including telegraphy, radio, radar, television
Kulliyyahs/Centres/Divisions/Institutes: Kulliyyah of Engineering > Department of Electrical and Computer Engineering
Depositing User: Dr Sarah Yasmin Mohamad
Date Deposited: 05 Nov 2015 11:41
Last Modified: 20 Jun 2018 15:36
URI: http://irep.iium.edu.my/id/eprint/43962

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