Printed circular disc compact planar antenna for UWB applications
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A printed planar antenna having a compact dimension of 27×23.5 mm2, fed by a microstrip line is proposed in this article. The proposed compact antenna consists of a circular disc radiator and partial ground plane with a rectangular slot on its’ top edge. Experimental results show that the antenna has an −10 dB impedance bandwidth ranges from 3.3 GHz to 20 GHz (193%) which almost covers the entire UWB band. A symmetric and stable radiation pattern with an average realized gain of 5.11 dBi makes the proposed antenna suitable for using in different UWB applications. Details of the proposed antenna design are presented and discussed.
KeywordsCircular disc Planar antenna Microstrip-line Printed antenna Ultrawideband (UWB)
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