Power tracks instead of planes to reduce radiated electromagnetic fields

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    Abstract

    The noise voltage in the reference or ground of a printed circuit board is often the cause of unwanted radiated emission. Power supply planes attribute to the noise voltage. By replacing the power supply planes by tracks, the noise voltage in the reference or ground can be reduced, which leads to a considerable reduction of the radiated electromagnetic fields. A potential disadvantage of using power tracks is a decreased power quality, due to a higher ripple voltage. Actual circuits, fed via power planes or power tracks have been designed and measured showing the impact on radiated electromagnetic fields with constant power quality.
    Original languageUndefined
    Title of host publicationProceedings of 17th International Zurich Symposium on Electromagnetic Compatibility
    Place of PublicationZurich
    PublisherIEICE
    Pages371-374
    Number of pages4
    ISBN (Print)3-9522990-4-9
    Publication statusPublished - 30 Mar 2006
    Event17th International Zurich Symposium on Electromagnetic Compatibility, EMC Zurich 2006 - Singapore International Conference and Exhibition Center, Singapore, Singapore
    Duration: 28 Feb 20063 Mar 2006
    Conference number: 17

    Publication series

    Name
    Number2

    Conference

    Conference17th International Zurich Symposium on Electromagnetic Compatibility, EMC Zurich 2006
    Abbreviated titleEMC Zurich
    CountrySingapore
    CitySingapore
    Period28/02/063/03/06

    Keywords

    • radiated emission
    • EWI-6241
    • noise voltage
    • Power plane
    • Inductance
    • IR-63227
    • METIS-238142

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