The Effect of Position of a Connector Contact Failure on Electromagnetic Near-Field around a Coaxial Cable

Yu-ichi HAYASHI  Hideaki SONE  

IEICE TRANSACTIONS on Communications   Vol.E92-B    No.6    pp.1969-1973
Publication Date: 2009/06/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.E92.B.1969
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on 3rd Pan-Pacific EMC Joint Meeting -- PPEMC'08--)
contact failure,  electromagnetic interference,  CATV internet,  coaxial cable,  

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A transmission line created by cables adjoined by connectors is influenced by noise from connectors with contact failure, and such noise degrades communication quality. The authors used a model of a connector with increased contact resistance in a coaxial cable and measured the electromagnetic near-field around a cable while changing positions of the model. In this paper, the result shows that the radiated electromagnetic field has no relationship with the position along the cable of a connector with increased contact resistance, when the contact condition of connector, contact resistance value, measurement position, and length of a transmission line are constant.