Abstract

This article describes a demonstrator comprising four software tools that was developed to assist the teaching of some fundamental concepts about wave propagation in transmission lines and that can also serve as a student virtual laboratory. The tools, developed in MATLAB, are easy to use and offer a new approach, which intends to explore the physical basis of transmission line theory, including the transmission line model as a ladder inductor-capacitor circuit, the concept of traveling waves and their interaction in the transmission line, the nature of transmission line input impedance, and impedance matching issues. The tools are made available online to be used, modified, or improved by the community.

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