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An Integrated Dual-Band PIFA for DVB-T and WiMAX Applications

An Integrated Dual-Band PIFA for DVB-T and WiMAX Applications,10.1109/LAWP.2011.2168372,IEEE Antennas and Wireless Propagation Letters,Roberto Caso,An

An Integrated Dual-Band PIFA for DVB-T and WiMAX Applications  
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A compact dual-band planar inverted-F an- tenna (PIFA) working in the DVB-T (470-862 MHz) and WiMAX (3300-3800 MHz) frequency bands is presented. The antenna is designed to be integrated in a monitor-equipped device, like a television (TV) set, and meets strict space requirements. The final design fits a volume of 225 31 20 mm ( ). It is composed of a series of branches, properly dimensioned and separated to generate the required resonances. A prototype has been realized with a 0.4-mm-thick aluminum foil, properly cut and folded. Results are shown in terms of reflection coefficient, radiation patterns, and gain. The antenna shows a reflection coefficient less then 6a nd 10 dB, and a gain between 2.7 and 4.8 dBi and approximately equal to 3.7 dBi, in the DVB-T and WiMAX bands, respectively.
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