This paper reviews the basic mechanisms through which voltage and currents signals in printed circuit boards (PCBs) produce unwanted radiated emissions and some analytical models that can be used to predict these radiated emissions. Three models are applied to a simple PCB and the results are compared to those obtained with the electromagnetic analysis carried out with a Finite-Difference Time-Domain (FDTD) computer code. Although the models are not likely applicable to real-life problems, the comparison is useful to underline their assumptions and limitations.
Review of simple electromagnetic models for predicting radiated emissions from PCBs / G. L., GIULIATTINI BURBUI; Massarini, Antonio; U., Reggiani; L., Sandrolini. - STAMPA. - 1:(2004), pp. 113-118. (Intervento presentato al convegno 17th Intern. Wroclaw Symposium and Exhibition on EMC tenutosi a Wroclaw (Poland) nel June 29-July 1, 2004).
Review of simple electromagnetic models for predicting radiated emissions from PCBs
MASSARINI, Antonio;
2004
Abstract
This paper reviews the basic mechanisms through which voltage and currents signals in printed circuit boards (PCBs) produce unwanted radiated emissions and some analytical models that can be used to predict these radiated emissions. Three models are applied to a simple PCB and the results are compared to those obtained with the electromagnetic analysis carried out with a Finite-Difference Time-Domain (FDTD) computer code. Although the models are not likely applicable to real-life problems, the comparison is useful to underline their assumptions and limitations.
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