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Characterization of the Shielding Effectiveness of Board-Level Shields using a Dedicated Stripline Test Method up to 44GHz

Boekbijdrage - Boekhoofdstuk Conferentiebijdrage

This paper reports on the characterization of the Shielding Effectiveness (SE) of Board Level Shielding (BLS) components up to 44 GHz, using a dedicated stripline measuring setup. The setup is based on a similar measuring method for the characterization of shielding gaskets, as described in SAE ARP 6248. In this paper, it is shown that the SE of both BLS components and the mounting technique on a Printed circuit board (PCB) can be characterized using this stripline setup. The measurements show the effect on the SE values due to the fact that the ground (GND) layer is embedded in a multilayer PCB, forming a slit between this GND layer and the BLS component. Techniques, based on a waveguide beyond cut-off (WGBC) by an appropriate use of multiple vias, are evaluated using this dedicated stripline setup.
Boek: Proceedings of the 2021 13th International Workshop on the Electromagnetic Compatibility of Integrated Circuits (EMC Compo)
Pagina's: 3 - 8
ISBN:978-1-6654-2380-9
Jaar van publicatie:2022
Toegankelijkheid:Open