Parker, Sarah L, Flintoft, Ian D orcid.org/0000-0003-3153-8447, Marvin, Andy C orcid.org/0000-0003-2590-5335 et al. (6 more authors) (2016) Predicting Shielding Effectiveness of Populated Enclosures Using Absorption Cross Section of PCBs. In: Electromagnetic Compatibility (EMC EUROPE), 2016 International Symposium on. EMC Europe 2016, 05-09 Sep 2016 , POL , pp. 324-328.
Abstract
Shielding effectiveness (SE) is an important measure of how well an enclosure reduces the electromagnetic (EM) field incident upon it. Commonly, when the shielding effectiveness of an enclosure is stated it is for the case when the enclosure is empty. Including contents such as printed circuit boards (PCBs) in the enclosure will affect the shielding effectiveness as the PCB absorbs EM energy. One technique of determining how much energy a PCB absorbs is to measure its absorption cross section (ACS) using a reverberation chamber (RC). The measured ACS can be used to predict the shielding effectiveness of an enclosure when the PCB is inside it using power balance techniques. In this paper the ACS of a number of PCBs are measured both individually and in closely stacked groups. This information is then used to show how the ACS can be used to calculate shielding effectiveness and the results are compared to direct measurement of the SE of the enclosure containing a PCB. Knowledge of the ACS of typical or particular PCBs could be used by engineers to estimate the real shielding effectiveness of an enclosure with contents, when designing electronic systems.
Metadata
Item Type: | Proceedings Paper |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. |
Keywords: | Absorption cross section,electromagnetic shielding,reverberation chamber |
Dates: |
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Institution: | The University of York |
Academic Units: | The University of York > Faculty of Sciences (York) > Electronic Engineering (York) |
Funding Information: | Funder Grant number HUAWEI TECHNOLOGIES CO. LTD UNSPECIFIED |
Depositing User: | Pure (York) |
Date Deposited: | 23 Nov 2016 15:59 |
Last Modified: | 18 Dec 2024 00:37 |
Published Version: | https://doi.org/10.1109/EMCEurope.2016.7739305 |
Status: | Published |
Identification Number: | 10.1109/EMCEurope.2016.7739305 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:108141 |
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