New UWB Shielding with Frequency Selective Surfaces | ||
| Journal of Communication Engineering | ||
| مقاله 5، دوره 6، شماره 1 - شماره پیاپی 12، فروردین 2017، صفحه 71-80 اصل مقاله (569.07 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22070/jce.2017.2035.1022 | ||
| نویسندگان | ||
| Mojtaba Mighani* 1؛ Alireza Mallahzadeh2 | ||
| 1Shahid Sattari Aeronautical University of Science and Technology | ||
| 2Department of Electrical Engineering, Shahed University | ||
| چکیده | ||
| In this paper a Frequency Selective Surface (FSS) as a UWB electromagnetic shield is introduced. The proposed FSS comprises a quasi-J.C-Jerusalem Cross- and a copper ring, which are located at both sides of a FR4 substrate and can represent a S.E -Shielding Effectiveness- better than 20dB in 90% bandwidth of Ultra Wide Band frequency. This structure is compact and thin. Each cell comprises J.C elements and a ring at two sides of a FR4 board with 3.2mm thickness, dielectric constant of 4.4, and loss tangent of 0.02. The structure has a 24×36 elements with dimensions of 288×432mm. Also the simulation and measurement results are in good agreement. | ||
| کلیدواژهها | ||
| FSS؛ Shielding Effectiveness؛ UWB | ||
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