Abstract

This work investigates the electromagnetic (EM) response toward two combinations of electromagnetic band gap (EBG) cells outlining our EBG structures under test. It has been talked about before that EBG structure identified as high impedance surface (HIS), act as background reflector as well as dropping EM wave surface, while the potential income of artificial magnetic conductor (AMC) is low profile devices. In this ongoing research paper, we used periodic combined cells, arranged in three manners (chessboard-like, intervallic-like, and mirror-like), in order to study the EM features of these original EBG structures. The motivation behind this work is to improve the band gap width (BGW) of our previous EBG circular slots meandered lines (EBGCSML). The result shows a very interesting behavior of the mirror EBG-CSML structure, which manifests in ultra-wide BGW equal to 1.63 GHz, the realized fractional BGW is 66.5%. The presented EBG structures are designed for our project in progress that would integrate these EBG structures with antennas, in order to make a new competitive compact and low profile multiband antenna, with the lowest specific absorption rate possible, especially around mobile’s lower bands working frequencies (700, 800, 900, and 1800 MHz).

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