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BSI PD IEC/TR 61156-1-2:2009+A1:2014

BSI PD IEC/TR 61156-1-2:2009+A1:2014

$215.11

Multicore and symmetrical pair/quad cables for digital communications – Electrical transmission characteristics and test methods of symmetrical pair/quad cables

Published By Publication Date Number of Pages
BSI 2014 74
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This technical report is a revision of the symmetrical pair/quad electrical transmission characteristics present in IEC 61156-1:2002 (Edition 2) and not carried into IEC 61156-1:2007 (Edition 3).

This technical report includes the following topics from IEC 61156-1:2002:

  • the characteristic impedance test methods and function fitting procedures of 3.3.6;

  • Annex A covering basic transmission line equations and test methods;

  • Annex B covering the open/short-circuit method;

  • Annex C covering unbalance attenuation.

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BSI PD IEC/TR 61156-1-2:2009+A1:2014
$215.11