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Single-feed elliptical dielectric resonator antennas for circularly polarized applications

✍ Scribed by S. L. Steven Yang; Ricky Chair; A. A. Kishk; K. F. Lee; K. M. Luk

Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
373 KB
Volume
48
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

A single‐feed elliptical shape dielectric resonator antenna (DRA) is designed for circular polarization application. The antenna is simple in structure and could be excited by either a probe or a narrow aperture. This antenna excites two degenerate orthogonal modes with 90° phase difference. From experimental studies, the single probe feed DRA achieves 5.2% 3‐dB axial ratio (AR) bandwidth and 17.3% impedance matching bandwidth (S~11~ < −10 dB), and the single aperture feed DRA achieves 4.2% AR bandwidth and 26.5% impedance matching bandwidth. © 2006 Wiley Periodicals, Inc. Microwave Opt Technol Lett 48:2340–2345, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21937

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