標題: Reconfigurable Loaded Planar Inverted-F Antenna Using Varactor Diodes
作者: Kehn, Malcolm Ng Mou
Quevedo-Teruel, Oscar
Rajo-Iglesias, Eva
電子工程學系及電子研究所
Department of Electronics Engineering and Institute of Electronics
關鍵字: Dual band;microstrip patch antenna;planar inverted-F antenna (PIFA);reconfigurable;varactor diodes
公開日期: 2011
摘要: This letter presents a compact reconfigurable multiband microstrip antenna. The multiplicity of bands is achieved by the use of concentric external metallic semirings around a central internal semicircular microstrip patch. These are all shorted to the ground plane via a vertical metallic wall through the common diametric plane, thereby adopting the concept of the planar inverted-F antenna (PIFA) for size reduction and thus compactness. The operation frequencies are tuned by varactor diodes placed between the inner semicircular patch and the outer half-rings. In addition to tunability, the overall bandwidth may also be widened by combining the tunable range. Theoretical simulations and measurements of manufactured prototypes agree well with each other.
URI: http://hdl.handle.net/11536/25979
http://dx.doi.org/10.1109/LAWP.2011.2153174
ISSN: 1536-1225
DOI: 10.1109/LAWP.2011.2153174
期刊: IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
Volume: 10
起始頁: 466
結束頁: 468
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