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Double annular-ring dielectric resonator antenna for ultra-wideband application

✍ Scribed by Yu-Feng Ruan; Yong-Xin Guo; Xiang-Quan Shi

Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
617 KB
Volume
49
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

A new dielectric resonator antenna (DRA) is proposed in this article for ultra‐wideband (UWB) application. A larger annular‐ring DRA is placed concentrically outside a smaller one to form a double annular‐ring DRA. The antenna is operating at the end‐fire mode. The effects of antenna parameters, such as the radiuses and heights of the dielectric resonators as well as the probe length are investigated. The proposed double annular‐ring DRA can offer an impedance bandwidth up to 3–11.2 GHz for a return loss less than −10 dB. The radiation patterns are stable in the passband. © 2006 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 362–366, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22140

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