By the same authors

Changes in a Printed Circuit Board's Absorption Cross Section Due to Proximity to Walls in a Reverberant Environment

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Title of host publication2016 IEEE International Symposium on Electromagnetic Compatibility (EMC)
DateAccepted/In press - 19 Apr 2016
DatePublished (current) - 25 Jul 2016
Pages818-823
Number of pages6
PublisherIEEE
Original languageEnglish

Abstract

Knowledge of the Absorption Cross Section (ACS) of a Printed Circuit Board (PCB) is essential when defining an enclosure’s shielding effectiveness as it will determine how a PCB affects the internal electromagnetic (EM) field inside the enclosure. In this paper we show how the ACS changes when a PCB is in the vicinity of the enclosure walls by making measurements in a small reverberation chamber. We find that when the PCB is perpendicular to the chamber wall different measurement positions have little effect on the ACS, even when the PCB is positioned close to the wall. However, placing the PCB parallel to the chamber wall did show some differences in ACS. This information could be useful when considering situations where PCBS are stacked together or close to enclosure walls when in a reverberant environment.

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    Research areas

  • electromagnetic shielding, reverberant environment, absorption cross section, reverberation chamber, printed circuit board, Electromagnetic Compatibility

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Impacts

  • Improved shielding enclosure qualification methodologies embedded in international standards and used by industry to improve reliability of the communication backbone

    Impact: Technological, Economic

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