Design and Optimization of Microstrip Patch Antenna with Defected Ground Structure and Circular Slot on the Patch

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A single feed compact rectangular Micro-Strip patch Antenna (MSA) for triple band application is presented in this paper. The proposed antenna has Circular slot on the patch and dumble shaped Defected Ground Structure (DGS). To make the proposed antenna more efficient the optimization of the antenna design parameters have been done using HFSS's optometric. For the proposed antenna three resonant frequencies have been obtained at 2.33GHz, 7.60GHz and 8.53GHz with Bandwidth of 102Mz,130MHz and 127MHz return loss of -15.80db,-18.77db and -36.57db respectively.

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