Abstract
In this paper, the weighting techniques are directly acted on traditional 1D sinusoidal electromagnetic bandgap (EBG) structures. The proposed 1D weighted EBG band-stop filter is theoretically designed by using coupled-mode theory, and the coupling coefficient amplitudes of the 1D sinusoidal EBG structure are directly weighted using window functions. The passband ripple, reflected sidelobes, and bandwidth of the band-stop filter are improved using weighted window functions, and the bandgap depth is adjusted by changing the amplitude factor of weighting functions. For validation, the fabrication and measurements have also been done for the proposed filter. The measurement and simulation results have a close match, and the design concept is verified.
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