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Circularly polarized broadband high-efficiency active integrated antenna

✍ Scribed by S. Gao; Y. Qin; A. Sambell

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

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✦ Synopsis

Abstract

This letter presents a circularly polarized (CP) broadband high‐efficiency active integrated antenna, where the broadband CP antenna is integrated directly with a broadband high‐efficiency class‐E power amplifier (PA). To achieve CP operation, a series feed using an L‐shaped microstrip feed line below the ground plane is used to provide a 90° phase shift between crossed slots. The antenna serves both functions of a broadband CP radiator and a broadband harmonics‐termination load network for the class‐E PA. Measures results demonstrate both broadband CP radiation and high efficiency. © 2006 Wiley Periodicals, Inc. Microwave Opt Technol Lett 48: 2145–2148, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21940

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