PIFA input bandwidth enhancement by changing feed plate silhouette |
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| Authors: | Feick R. Carrasco H. Olmos M. Hristov H.D. |
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| Affiliation: | Dept. de Electron., Univ. Tecnica Federico Santa Maria, Valparaiso, Chile; |
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| Abstract: | 2.45 GHz planar inverted-F antenna (PIFA) designs mounted on a 100 mm square ground plane are examined with regard to the feed-element shape influence on the input bandwidth (BW). While the traditional wire-fed PIFA has a BW from about 4 to 12%, the novel PIFAs with diverse feed plates (triangular, bi-triangular, rectangular, rounded-rectangular and U-strip) are designs capable of a much broader BW, between 18 and 25% for some configurations. |
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