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Bandwidth Analysis of a Single-Stub Matching System Using the Smith Chart [Education Column]

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2 Author(s)
José R. Pereira ; Instituto de Telecomunicações, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193, Portugal ; Pedro Pinho

Examples of the concept of explaining the use of an old tool like the Smith chart using modern tools like MATLAB™ [1] in combination with e-learning facilities are illustrated by MATLAB scripts. These display the step-by-step graphical procedure that must be used to solve single-stub impedance-matching problems, and they illustrate the variation of the corresponding bandwidth. These scripts are important for students, since they teach them how to solve several kinds of transmission-line problems by themselves, with a paper chart using a pencil, a ruler, and a compass.

Published in:

IEEE Antennas and Propagation Magazine  (Volume:54 ,  Issue: 6 )