Abstract
A rigorous method is proposed for calculating the parameters of two-wire lines (twisted pairs) surrounded by a single metal shield and the mutual coupling between these lines. It is shown that coupling between the lines in multiconductor cables results in electromagnetic interference (crosstalk) in communications channels and that inphase currents in the lines are caused by the asymmetry of excitation and loads. The stray voltages induced across the impedances placed at the beginning and the end of an adjacent line are determined at a given power in the main line. The effect produced by the loads placed between the wires and the shield is considered. The proposed method allows generalization of the obtained results to the case of lossy multiconductor cables.
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Original Russian Text © B.M. Levin, 2008, published in Radiotekhnika i Elektronika, 2008, Vol. 53, No. 1 pp. 40–48.
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Levin, B.M. Calculation of the characteristics of two-wire lines in multiconductor cables. J. Commun. Technol. Electron. 53, 34–42 (2008). https://doi.org/10.1134/S106422690801004X
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DOI: https://doi.org/10.1134/S106422690801004X