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

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

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£348.00
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1   Scope

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.