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SPICE Models of Shielded Single and Multiconductor Cables for EMC Analyses
IEEE Transactions on Electromagnetic Compatibility ( IF 2.0 ) Pub Date : 2020-08-01 , DOI: 10.1109/temc.2020.3006391
Moustafa Raya , Ralf Vick

This article introduces novel SPICE models for coaxial cables with braided shielding over a ground plane. The models are derived from the transmission line theory for single and multiconductor cables. They can be used to calculate the voltage at the termination loads when an incident uniform plane wave couples to the cable. The models can also calculate the conductive coupling due to lumped sources. They take into account the bidirectional coupling between the inside and outside of the shield and enable the analysis of immunity and emissions. The coupling functions between the inner and outer systems are designed in the form of equivalent circuits, which allow the use of the models in the frequency domain or together with nonlinear elements in the time domain. The results of the models agree very well with those of field simulations.

中文翻译:

用于 EMC 分析的屏蔽单芯和多芯电缆的 SPICE 模型

本文介绍了用于在接地平面上具有编织屏蔽的同轴电缆的新型 SPICE 模型。这些模型源自单芯和多芯电缆的传输线理论。当入射均匀平面波耦合到电缆时,它们可用于计算终端负载处的电压。这些模型还可以计算集总源引起的传导耦合。它们考虑了屏蔽内部和外部之间的双向耦合,并能够分析抗扰度和辐射。内部和外部系统之间的耦合函数以等效电路的形式设计,允许在频域中使用模型或在时域中与非线性元素一起使用。模型的结果与现场模拟的结果非常吻合。
更新日期:2020-08-01
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