Different feeding geometries for planar elliptical UWB dipoles and the excitation of leakage current

Gerry Whyte, Faisal Darbari, Ian McGregor, I.A. Glover, Iain Thayne

Research output: Chapter in Book/Report/Conference proceedingChapter

6 Citations (Scopus)

Abstract

This paper presents an assessment of the impact of feeding geometry and leakage current on the performance of several types of printed elliptical UWB dipoles. Using simulation and experimental verification this paper investigates the impact via field analysis, S-parameters, and pulse transmission. The UWB dipoles investigated are; a microstrip-fed UWB dipole, that had unpredictable behaviour due to the feed, which excited leakage current down the feed cable and, as a result, distorted the pulse. To minimise the leakage current, three other UWB dipoles were investigated. These were a CPW-fed UWB dipole with slots, a hybrid-feed UWB dipole, and a tapered-feed UWB dipole.
LanguageEnglish
Title of host publication38th European Microwave Conference, 2008.
PublisherIEEE
Pages1382-1385
Number of pages3
ISBN (Print)978-2-87487-006-4
DOIs
Publication statusPublished - Oct 2008

Fingerprint

Ultra-wideband (UWB)
Leakage currents
Geometry
Scattering parameters
Cables

Keywords

  • S-parameters
  • antenna feeds
  • coplanar waveguides
  • dipole antennas
  • leakage currents
  • microstrip antennas
  • ultra wideband antennas
  • CPW-fed UWB dipole
  • feeding geometry
  • hybrid-feed UWB dipole
  • leakage current
  • microstrip
  • planar elliptical UWB dipoles
  • pulse transmission
  • slots
  • tapered-feed UWB dipole

Cite this

Whyte, G., Darbari, F., McGregor, I., Glover, I. A., & Thayne, I. (2008). Different feeding geometries for planar elliptical UWB dipoles and the excitation of leakage current. In 38th European Microwave Conference, 2008. (pp. 1382-1385). IEEE. https://doi.org/10.1109/EUMC.2008.4751722
Whyte, Gerry ; Darbari, Faisal ; McGregor, Ian ; Glover, I.A. ; Thayne, Iain. / Different feeding geometries for planar elliptical UWB dipoles and the excitation of leakage current. 38th European Microwave Conference, 2008.. IEEE, 2008. pp. 1382-1385
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Whyte, G, Darbari, F, McGregor, I, Glover, IA & Thayne, I 2008, Different feeding geometries for planar elliptical UWB dipoles and the excitation of leakage current. in 38th European Microwave Conference, 2008.. IEEE, pp. 1382-1385. https://doi.org/10.1109/EUMC.2008.4751722

Different feeding geometries for planar elliptical UWB dipoles and the excitation of leakage current. / Whyte, Gerry; Darbari, Faisal; McGregor, Ian; Glover, I.A.; Thayne, Iain.

38th European Microwave Conference, 2008.. IEEE, 2008. p. 1382-1385.

Research output: Chapter in Book/Report/Conference proceedingChapter

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T1 - Different feeding geometries for planar elliptical UWB dipoles and the excitation of leakage current

AU - Whyte, Gerry

AU - Darbari, Faisal

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AU - Thayne, Iain

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AB - This paper presents an assessment of the impact of feeding geometry and leakage current on the performance of several types of printed elliptical UWB dipoles. Using simulation and experimental verification this paper investigates the impact via field analysis, S-parameters, and pulse transmission. The UWB dipoles investigated are; a microstrip-fed UWB dipole, that had unpredictable behaviour due to the feed, which excited leakage current down the feed cable and, as a result, distorted the pulse. To minimise the leakage current, three other UWB dipoles were investigated. These were a CPW-fed UWB dipole with slots, a hybrid-feed UWB dipole, and a tapered-feed UWB dipole.

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KW - antenna feeds

KW - coplanar waveguides

KW - dipole antennas

KW - leakage currents

KW - microstrip antennas

KW - ultra wideband antennas

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KW - feeding geometry

KW - hybrid-feed UWB dipole

KW - leakage current

KW - microstrip

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KW - pulse transmission

KW - slots

KW - tapered-feed UWB dipole

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BT - 38th European Microwave Conference, 2008.

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Whyte G, Darbari F, McGregor I, Glover IA, Thayne I. Different feeding geometries for planar elliptical UWB dipoles and the excitation of leakage current. In 38th European Microwave Conference, 2008.. IEEE. 2008. p. 1382-1385 https://doi.org/10.1109/EUMC.2008.4751722