Multimodal circuit model for the analysis of asymmetric shunt impedance transitions

Pablo Rodriguez-Cepeda, Miquel Ribo, Francisco Javier Pajares, Joan Ramon Regue, Albert Miquel Sanchez, Antonio Perez

    Producció científica: Article en revista indexadaArticle de conferènciaAvaluat per experts

    1 Citació (Scopus)

    Resum

    In PCB circuits, signal traces are often routed close to other signal traces. This situation originates the appearance of coupled strip sections. Due to the fact that coupled strip sections behave as multimodal transmission lines, several electromagnetic modes propagate simultaneously. Any asymmetry in the circuit will generate an energy exchange among the propagating modes which will lead to signal integrity problems. In this paper, a new multimodal circuit model for a Three-Line-Microstrip Asymmetric Shunt Impedance Transition is presented. The model allows a rigorous and a quantitative analysis of the transition. The model is successfully applied to the analysis of a PCB configuration where a clock signal trace is routed close to two other signal traces. The good agreement between measurements and circuit simulations validates the proposed multimodal circuit model.

    Idioma originalAnglès
    Número d’article4652056
    RevistaIEEE International Symposium on Electromagnetic Compatibility
    Volum2008-January
    DOIs
    Estat de la publicacióPublicada - 2008
    Esdeveniment2008 IEEE International Symposium on Electromagnetic Compatibility, EMC 2008 - Detroit, MI, Germany
    Durada: 18 d’ag. 200822 d’ag. 2008

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