✦ LIBER ✦

A T-junction power divider FED circularly polarized cavity backed slot antenna

✍ Scribed by Guo Qing Luo; Zhi Fang Hu; Xiao Hong Zhang; Lin Xi Dong; Ling Ling Sun

Publisher: John Wiley and Sons
Year: 2011
Tongue: English
Weight: 517 KB
Volume: 54
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.26482

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✦ Synopsis

Abstract

A circularly polarized antenna realized by a power divider fed cavity backed slot antenna is presented in this article.The cavity backed slot antenna is constructed on a single layer substrate by using substrate integrated waveguide (SIW) technique. A T‐junction power divider with equal magnitude and 90° phase difference outputs is adopted as the parallel feed to excite the SIW backed cavity. Circularly polarized radiation can be generated when two orthogonal cavity modes are excited simultaneously in the backed cavity. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:107–109, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26482

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