ABCD Matrix: A Unique Tool for Linear Two-Wire Transmission Line Modelling

Author:

Peres Pedro L. D.1,de Souza Carlos R.1,Bonatti Ivanil S.1

Affiliation:

1. School of Electrical and Computer Engineering, University of Campinas, Campinas, Brazil

Abstract

The aim of this note is to show that all the behaviour of a two-wire transmission line can be directly derived from the application of ABCD matrix mathematical concepts, avoiding the explicit use of differential equations. An important advantage of this approach is that the transmission line modelling arises naturally in the frequency domain. Therefore the consideration of frequency-dependent parameters can be carried out in a simple way compared with the time-domain. Some standard examples of transmission lines are analysed through the use of ABCD matrices and a case study of a balun network is presented.

Publisher

SAGE Publications

Subject

Electrical and Electronic Engineering,Education

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