An efficient, electrically small antenna designed for VHF and UHF applications

Richard W. Ziolkowski

doi:10.1109/LAWP.2008.921635

An efficient, electrically small antenna designed for VHF and UHF applications

Richard W. Ziolkowski

Electrical and Computer Engineering

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

57 Scopus citations

Abstract

An electrically small electric-based metamaterial-inspired antenna that is designed for narrow bandwidth operations in the VHF and UHF bands is presented. It is demonstrated that the idealized lossless versions have overall efficiencies at 100% without any external matching circuits and quality factors approaching the Chu limit. When conductor losses are introduced, the overall efficiencies remain high.

Original language	English (US)
Article number	921635
Pages (from-to)	217-220
Number of pages	4
Journal	IEEE Antennas and Wireless Propagation Letters
Volume	7
DOIs	https://doi.org/10.1109/LAWP.2008.921635
State	Published - 2008

Keywords

Antenna theory
Electrically small antennas
Metamaterials
Parasitics
Quality factors

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.1109/LAWP.2008.921635

Cite this

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title = "An efficient, electrically small antenna designed for VHF and UHF applications",

abstract = "An electrically small electric-based metamaterial-inspired antenna that is designed for narrow bandwidth operations in the VHF and UHF bands is presented. It is demonstrated that the idealized lossless versions have overall efficiencies at 100% without any external matching circuits and quality factors approaching the Chu limit. When conductor losses are introduced, the overall efficiencies remain high.",

keywords = "Antenna theory, Electrically small antennas, Metamaterials, Parasitics, Quality factors",

author = "Ziolkowski, {Richard W.}",

note = "Funding Information: Manuscript received February 22, 2008. This work was supported in part by DARPA under Contract HR0011-05-C-0068. The author is with the Department of Electrical and Computer Engineering, University of Arizona, Tucson, AZ 85721-0104 USA (e-mail: ziolkowski@ece. arizona.edu). Color versions of one or more of the figures in this paper are available online at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/LAWP.2008.921635",

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N1 - Funding Information: Manuscript received February 22, 2008. This work was supported in part by DARPA under Contract HR0011-05-C-0068. The author is with the Department of Electrical and Computer Engineering, University of Arizona, Tucson, AZ 85721-0104 USA (e-mail: ziolkowski@ece. arizona.edu). Color versions of one or more of the figures in this paper are available online at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/LAWP.2008.921635

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AB - An electrically small electric-based metamaterial-inspired antenna that is designed for narrow bandwidth operations in the VHF and UHF bands is presented. It is demonstrated that the idealized lossless versions have overall efficiencies at 100% without any external matching circuits and quality factors approaching the Chu limit. When conductor losses are introduced, the overall efficiencies remain high.

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KW - Metamaterials

KW - Parasitics

KW - Quality factors

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An efficient, electrically small antenna designed for VHF and UHF applications

Abstract

Keywords

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