Transmission line routing for reduced external field disturbance |
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Authors: | Giuseppe Vecchi Sergio Pignari Flavio G Canavero |
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Affiliation: | 1. Dipartimento di Elettronica, Politecnico di Torino, Corso Duca Degli Abruzzi, 24, 1-10129, Torino, Italie
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Abstract: | When immersed in a disturbing electromagnetic field, electronic systems are subject to interference due to the energy injected by the external field into the system through the electronic units and, especially, through the transmission lines connecting units one another. The issue of reducing the unwanted energy injection through connecting transmission lines is addressed in this contribution from the point of view of the routing, i.e. of the disposition of the connecting lines that minimizes the injection. The problem is formulated as an optimization problem, dealt with by the simulated annealing minimization technique combined with an efficient way of computing the field coupling to the lines. Results are reported for various cases, and the relation between the characteristics of the interfering field and the efficiency of the reduction is discussed. |
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