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Shielding Effectiveness of HSD Connector - Simulation and Measurement

机译：HSD连接器的屏蔽效果-仿真和测量

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摘要

The goal of designing a shielded High-Speed Data (HSD) connectors is to find the ideal balance between economy and performance. The connectors are a part of many systems and they influence their performance. The connectors should be designed to avoid possible negative effects on system properties. Thus, it is necessary to analyze the shielding effectiveness of connectors to ensure the electromagnetic compatibility (EMC) of the whole system. The transfer impedance is an effective shield parameter used to evaluate the shielding effectiveness of cables and connectors. Based on the analysis of the limitation of available test methods, a 3D model is developed to numerically calculate the transfer impedance of the HSD connector. Even though numerical methods were used, the theoretical foundations necessary to interpret the obtained results are revisited. The theory associated with cable shielding is revisited through solving known equations for the transfer impedance of a coaxial cable with a braided shield and foil.
机译：设计屏蔽高速数据（HSD）连接器的目的是在经济性和性能之间找到理想的平衡。连接器是许多系统的一部分，它们会影响其性能。连接器的设计应避免对系统性能造成负面影响。因此，有必要分析连接器的屏蔽效果，以确保整个系统的电磁兼容性（EMC）。传输阻抗是用于评估电缆和连接器的屏蔽效果的有效屏蔽参数。在对可用测试方法的局限性进行分析的基础上，开发了一个3D模型以数值计算HSD连接器的传输阻抗。即使使用了数值方法，也重新解释了解释所得结果所必需的理论基础。通过解决已知的带有编织屏蔽层和箔层的同轴电缆的传输阻抗方程，可以重新讨论与电缆屏蔽层相关的理论。

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