Abstract

AbstractThis work represents compact Electromagnetic Band Gap based Filtenna for Ultra-Wide Band Application. Coplanar Waveguide (CPW) is used for higher bandwidth. Additional resonance is minimized with the help of Defected Ground Structure (DGS). Two U slots were etched on the ground. Electromagnetic Band Gap Structure (EBG) is adopted to simplify the antenna design as well as for gain improvement. Operating frequency of the antenna is 6.5 GHz. The return loss, radiation pattern and antenna gain are studied. Designed antenna provides return loss about −18 dB and antenna gain is achieved up to 3.4 dBi. The bandwidth is increased to 18% compared to conventional antennas. The measured results agree well with the simulated results. The prototype has return loss about −8.5 dB. The presented method demonstrates the capability of achieving both good filtering and radiating performance in simple structures by etching slots on the patch of a conventional patch antenna. This filtenna is suitable for transceivers operating in ultra-wide band.KeywordsConventional patchDGSEBGFiltennaU shaped slots

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