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A CPW-fed broadband circularly polarized square slot antenna

✍ Scribed by Qing-Xin Chu; Shu Du

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
332 KB
Volume
52
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

A new broadband circularly polarized (CP) square slot antenna with coplanar waveguide fed is proposed. Two symmetrical E‐shaped slits embedded in opposite corners of ground plane are designed to obtain an excellent CP bandwidth. Simulated results show that the broadband performance is formed by three resonant modes. Some key parameters are studied to analysis the characteristics of the proposed antenna. Measured results show that the 3 dB axial ratio bandwidth is larger than 32.8% relative to the center frequency of 2165 MHz and the impedance bandwidth is as large as 54.8% with voltage standing wave ratio (VSWR) ≤2. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52: 409–412, 2010; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24904

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