Abstract
AbstractA novel broadband circularly polarized antenna is proposed, designed, and measured. Basically, the antenna consists of a PIFA and a square ground with an arrow‐like branch at its corner, which permit the antenna both broadband and circular polarization characteristics. For ease integration with active devices and design facilitation, the radiating element and ground are etched on the same layer of the substrate. Prototypes of the proposed antenna are fabricated and tested. The obtained −10‐dB return loss bandwidth and 2‐dB axial ratio (AR) bandwidth reach as large as 39.8 and 41.7%, respectively. © 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:204–208, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.25633
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