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http://dx.doi.org/10.5762/KAIS.2012.13.12.6022

Broad Band Stop Filter Using Frequency Selective Surface Embeded in Microwave Transmission Line  

Kim, Jinyoung (Graduate School of NID Fusion Technology, Seoul National University of Science and Technology)
Jung, Changwon (Graduate School of NID Fusion Technology, Seoul National University of Science and Technology)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.13, no.12, 2012 , pp. 6022-6026 More about this Journal
Abstract
This article presents a band-stop filter (BSF) by using a periodic structure property of frequency selective surfaces (FSSs) embedded in a microstrip transmission line. The proposed BSF is designed with FSS unit cells modifying the cross-loop slots. The BSF is interpreted with an equivalent circuit model and a dispersion diagram. The center frequency (fo) of the BSF is 6.6GHz. Proposed filter increases the number of unit cell. As a result, 3dB bandwidth is wider and insertion loss is reduced. Also, Facbricated BSF exhibits uniplanar geometry, simple fabrication.
Keywords
Band Stop Filter; Frequency Selective Surfaces; Microwave Transmission Line; Broad Bandwidth;
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