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A simple and compact asymmetric coplanar strip (ACS)-fed microstrip antenna for triple-band is presented for wireless technologies such as WLAN and WiMAX. The proposed antenna consists of rectangular strip ring with a double meandering along with a combination of horizontal and vertical parasitic strips are used. Prototypes of the proposed antenna have been optimally designed, constructed and tested...
In this letter, a new broadband Marchand balun is proposed using slot-coupled microstrip lines. The developed balun is connected by two sections of diamond-shape slot-coupled microstrips with short- and open-circuited terminations at specified ports. To achieve the broadband operation, the simple formulas have been derived to convert the conventional rectangular-shape slot-coupled microstrip to the...
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