Design Of Multiband Electromagnetic Band Gap (EBG) Structure

Kabilah Amin, Yahya (2010) Design Of Multiband Electromagnetic Band Gap (EBG) Structure. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The research in the field of electromagnetic band gap or well known as EBG structure has becoming attractive in antenna community. This structure has a unique property such as the ability to suppress the propagation of surface wave in specific operating frequency defined by the EBG structure itself. The aims of this project are to design, simulate and fabricate the new EBG structure operating at 2.4GHz and 5.5GHz frequency. The electromagnetic band gap structure always used as a part of antenna structure in order to improve the performance of the antenna especially for improves the gain and radiation pattern. In this project, microstrip antenna is used due to the advantages such as easy and cheap fabrication, light weight, low profile and can easily integrated with microwave circuit. This project involves the investigation of various EBG structure and the integration of the EBG structure with various antenna design through the simulation and fabrication process. The simulation is done by using microwave office software (MWO) and CST. The fabrication process involves the photo etching technique while the substrate used for antenna fabrication is FR4 board which has relative permittivity 4.7 and tangent loss 0.019. The simulation result for Multiband Electromagnetic Band Gap (EBG) in this report.

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