Abstract
AbstractTwo promising, internal, shorted monopole antennas for 700 MHz and WLAN/WiMAX operation are combined in an arrangement with minimized mutual coupling for palm‐sized mobile applications. The two stamped, metal‐plate antennas with a 2‐mm gap therein between can be integrated into a compact configuration and are then mounted near one side of the system circuit board. With the suitable shorting locations and arrangement of the two antennas, good isolation (S21 < −20 dB) between the two ports can easily be obtained. Analysis of placing a CCD shielding cylinder between the two antennas and the two shorting strips joined to form a shorting wall are also conducted. Detailed designs of the two antennas are described, and the results thereof are discussed. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 2948–2951, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23833
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