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New Values of Cross-Talk Parameters for Twisted Pair Model

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Author(s): Milos Kozak | Lukas Cepa | Jiri Vodrazka

Journal: Advances in Electrical and Electronic Engineering
ISSN 1804-3119

Volume: 8;
Issue: 5;
Start page: 130;
Date: 2010;
Original page

Keywords: Twisted pair | crosstalk | NEXT | FEXT | modelling parameters.

ABSTRACT
Near-end Crosstalk (NEXT) and Far-end Crosstalk (FEXT) of unshielded twisted pair (UTP) cable are the main factors limiting the information capacity in data transmission. Crosstalk depends mostly on the frequency. Frequency dependent transfer functions and crosstalk attenuation may be obtained by measurement, but for the analytical description of the transmission channel's parameters is useful to define functions modelling the crosstalk. The paper describes the measuring facility, presents the measured waveforms and the values of model parameters.
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