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

Sarah Mohamad; Robert Cahill; Vincent Fusco

doi:10.1002/mop.28156

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

Sarah Mohamad^*, Robert Cahill, Vincent Fusco

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

1174 Downloads (Pure)

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.

Original language	English
Pages (from-to)	753-757
Number of pages	5
Journal	Microwave and Optical Technology Letters
Volume	56
Issue number	3
Early online date	28 Jan 2014
DOIs	https://doi.org/10.1002/mop.28156
Publication status	Published - Mar 2014

Keywords

CAVITY

ASJC Scopus subject areas

Condensed Matter Physics
Atomic and Molecular Physics, and Optics
Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

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10.1002/mop.28156

Performance Enhancement of a Wideband Spiral Antenna using a Stepped Ground Plane
Copyright © 2014 Wiley Periodicals, Inc. This is the peer reviewed version of the following article: Mohamad, S., Cahill, R. and Fusco, V. (2014), Performance enhancement of a wideband spiral antenna using a stepped ground plane. Microw. Opt. Technol. Lett., 56: 753–757, which has been published in final form at http://onlinelibrary.wiley.com/doi/10.1002/mop.28156/abstract This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
Accepted author manuscript, 1.21 MB

Cite this

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

Abstract

Keywords

ASJC Scopus subject areas

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