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Spectral Lines - December 2002

Tuesday, January 14th, 2003
    "Electromagnetic Emission from "Dielectric" Optical Fiber Cables"

 Details:
  The conventional wisdom is that optical fiber is dielectric, and thus does not radiate RF emissions.
In practice, optical fiber cable connectors have non-negligible amounts of conductive material, for example a ferrule, spring, and crimp ring. As data rates have increased beyond 1 gigabit/second
(Gbps), equipment with supposedly "RF tight" enclosures exhibited high levels of RF emissions, failing
to meet FCC/European electromagnetic compliance (EMC) requirements. It is hypothesized that these small metallic bits can re-radiate RF emissions due to capacitive coupling, and a model is proposed. Data is presented to support this mechanism for RF emission, and corrective measures are suggested to reduce these emissions.


 


      :: WE HAVE A NEW MEETING LOCATION... HERE IS THE MAP!

THE SOCIAL GATHERING WILL BEGIN AT 5:30pm AND THE MEETING WILL BEGIN AT 7:00pm

TO FIND PAPERS FROM PAST MEETINGS CHECKOUT THE MEETING ARCHIVE!

 Meeting Place: Applied Materials Building 27,
3135 Kifer Road, Santa Clara, CA 
     5:30-8:00pm

 

 

 


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