基于FEKO仿真评估PCB布局对机箱屏蔽效能的影响
PCB Layout of the Impact Shielding Effectiveness of Rectangular
Enclosure Based on FEKO Simulation Assessment
摘要 运用仿真软件FEKO对PCB板在机箱的布局进行研究,分析PCB板的安装间距对机箱电场屏蔽效能的影响,并通过仿真的结果对机箱内部PCB板的布局提出合理建议。从两板之间安装间距以及多个板的安装是否等间距这两种情况出发,观察其对机箱屏蔽效能的影响,并总结一些规律。
关键词 屏蔽效能;孔缝;PCB;仿真软件FEKO
Abstract The use of simulation software FEKO on the PCB board layout is studied in
this paper. The different conditions with spaces between PCB boards installed in the
chassis are simulated to calculate electric field shielding effectiveness.According to the
simulation results, some reasonable proposals are put forward. In consideration of the
installation spaces between every two boards with same distance or not, the impact of
PCB location on shielding effectiveness of rectangular enclosure is observed and some
conclusions are proposed.
Keywords shielding effectiveness; aperture; PCB ;FEKO
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