Preliminary investigation on error code rate of high speed digital circuitry caused by electrical contact failure

Electrical Contacts - 1999. Proceedings of the Forty-Fifth IEEE Holm Conference on Electrical Contacts (Cat. No.99CB36343) Pub Date : 1900-01-01 DOI:10.1109/HOLM.1999.795943

B.S. Sun, J.G. Zhang, G. Liang, L.B. Cheng

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引用次数: 12

Abstract

It is found that one of the most important reasons causing high error code rates in digital communication systems is the contact failure of coaxial connectors installed in the systems. Preliminary investigation into the failed connectors collected in-situ has revealed that the contact failure of coaxial connectors may be caused by many factors, such as corroded products or dust particles on the contact surfaces, and the change of normal contact force caused by relaxation of the spring elements, etc. It is interesting to learn how the contact failure causes high and erratic contact impedance and results in error codes in digital communication systems which are still unknown. The effects of tarnish materials on the contact impedance and also the influence of the contact failure on digital signal transmission are studied theoretically and experimentally. Some of the results and tentative conclusions are presented in this paper.

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高速数字电路触点故障误码率的初步研究

研究发现，在数字通信系统中，同轴连接器的接触失效是造成误码率高的重要原因之一。对现场收集的失效连接器的初步调查表明，同轴连接器的接触失效可能是由多种因素引起的，如接触表面的腐蚀产品或灰尘颗粒，以及弹簧元件松弛引起的法向接触力的变化等。了解接触故障如何导致高和不稳定的接触阻抗，并导致数字通信系统中仍然未知的错误码是很有趣的。本文从理论和实验两方面研究了光斑材料对接触阻抗的影响以及接触失效对数字信号传输的影响。本文给出了部分结果和初步结论。

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Electrical Contacts - 1999. Proceedings of the Forty-Fifth IEEE Holm Conference on Electrical Contacts (Cat. No.99CB36343)

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