光纤通道电缆连接器组件中信号诱导的电磁干扰

1999 IEEE International Symposium on Electromagnetic Compatability. Symposium Record (Cat. No.99CH36261) Pub Date : 1999-08-02 DOI:10.1109/ISEMC.1999.812895

M. Xu, S. Radu, J. Knighten, J. Drewniak, T. Hubing, L. Hoeft, J. T. DiBene

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引用次数: 4

摘要

研究了FC-0传输用电缆连接器组件的电磁干扰性能。评估了两种类型的电缆和两种连接器样式。实验结果表明，短电缆长度的主要辐射机制是由源和PCB倾斜引起的共模电流，通过连接器的传输阻抗泄漏到屏蔽层的外部。然而，当电缆组件长达数十米时，电缆不平衡成为比源偏斜更重要的共模电流源。

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Signal induced EMI in fibre channel cable-connector assemblies

The EMI performance of cable-connector assemblies designed for FC-0 transmission has been studied. Two types of cable and two connector styles were evaluated. Experimental results show that the dominant radiation mechanism for short cable lengths is the common-mode current caused by source and PCB skew that leaks to the exterior of the shield via the transfer impedance of the connector. However, the cable imbalance becomes a more significant source of common-mode current than the source skew when the cable assembly is tens of meters long.

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来源期刊

1999 IEEE International Symposium on Electromagnetic Compatability. Symposium Record (Cat. No.99CH36261)

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