Analysis of resonance characteristics of a power bus with rectangle and triangle elements in multilayer PCBs

Z. Wang, O. Wada, Y. Toyota, R. Koga
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引用次数: 14

Abstract

One of the major sources of radiated EMI is attributed to power bus resonance in a printed circuit board (PCB). A fast algorithm, combined with the segmentation method, is applied for calculating resonance characteristics of a power bus whose pattern consists of several segments of rectangles and/or right-angled triangles. Good agreement between the calculated and measured results demonstrates the usefulness and accuracy of the fast algorithm and the segmentation method.
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多层pcb中矩形和三角形单元电源母线的谐振特性分析
辐射电磁干扰的主要来源之一是印刷电路板(PCB)中的电源总线谐振。将一种快速算法与分割法相结合,用于计算由矩形和直角三角形分段组成的电源母线的谐振特性。计算结果与实测结果吻合良好,证明了快速算法和分割方法的有效性和准确性。
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Estimation of current distribution by near-field measurement Analysis of resonance characteristics of a power bus with rectangle and triangle elements in multilayer PCBs The analysis of the shielding efficiency for the hermetic structure with the finger-reed Research on absorbing properties of the concrete shielding material at 3mm wave bands The gene expression of superoxide dismutase and the changes of the ultrastructure of rat testis after exposed to electromagnetics
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