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A novel electromagnetic bandgap design applied for suppression of printed circuit board electromagnetic radiation

机译:一种新颖的电磁带隙设计,用于抑制印刷电路板的电磁辐射

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摘要

In this article, a novel electromagnetic bandgap structure is applied to a high-speedprinted circuit board, where the proposed concept is to etch with traditionalL-bridge and extended connecting branches on the power plane. To investigate theelectromagnetic characteristics of the proposed structure, its transmission performanceis determined including an equivalent circuit to numerically predict thelower cutoff frequency. A near field electromagnetic interference measurement iscarried out compared to a reference board to investigate the simultaneous switchingnoise suppression ability.
机译:在本文中,一种新颖的电磁带隙结构被应用于高速印刷电路板上,其中提出的概念是在电源平面上使用传统的L桥和扩展的连接分支进行蚀刻。为了研究所提出结构的电磁特性,确定其传输性能,包括一个等效电路,以数值方式预测较低的截止频率。与参考板相比,进行了近场电磁干扰测量,以研究同时抑制开关噪声的能力。

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