Design of printed modal filters for computer network protection

Preliminary results of simple printed structures (modal filters) design for mitigation of short pulse lightning effects on computer networks are considered. For two types of two-conductor coupled lines on a dielectric substrate the L, C, Z matrixes, per unit length propagation delays and their absol...

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Bibliographic Details
Published in2010 30th International Conference on Lightning Protection (ICLP) pp. 1 - 3
Main Authors Gazizov, T. R., Samotin, I. E., Zabolotsky, I. E., Melkozerov, A. O.
Format Conference Proceeding
LanguageEnglish
Published University of Cagliari 01.09.2010
Subjects
Communication cables
Computer networks
Delays
Dielectric losses
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Summary:Preliminary results of simple printed structures (modal filters) design for mitigation of short pulse lightning effects on computer networks are considered. For two types of two-conductor coupled lines on a dielectric substrate the L, C, Z matrixes, per unit length propagation delays and their absolute and relative differences are calculated. These differences are maximized using the parametric optimization of conductor width and separation by genetic algorithms for substrate thickness 0.5 mm and relative permittivity 5. It is demonstrated that differences of per unit length propagation delays for specially designed printed structures may be considerably more than the one for existing flat cables. Proper use of similar structures is proposed for lightning protection.
DOI:10.1109/ICLP.2010.7845898