Efficient prediction of RF interference in a shielding enclosure with PCBs using a general segmentation method

Cavity model with segmentation method is extended to the analysis of radio frequency interference (RFI) problems in a shielding enclosure with printed circuit boards (PCBs) . Sixteen different Green's functions, instead of one in the conventional segmentation method developed for PCB cavities,...

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Bibliographic Details
Main Authors: Yaojiang Zhang, Xiaopeng Dong, Zhenwei Yu, de Paulis, Francesco, Feng, Gang, Mix, Jason A., Hua, Daniel, Slattery, Kevin, Drewniak, James L., Jun Fan
Format: Conference Proceeding
Language:English
Subjects:
Cavity model
Circuit simulation
Conductors
Copper
Coupling circuits
Electromagnetic interference
Green's function methods
Microwave theory and techniques
Printed circuits
Radio frequency
Radiofrequency interference
RFI
segmentation method
shielding enclosure
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Summary:Cavity model with segmentation method is extended to the analysis of radio frequency interference (RFI) problems in a shielding enclosure with printed circuit boards (PCBs) . Sixteen different Green's functions, instead of one in the conventional segmentation method developed for PCB cavities, are introduced to describe the fields in various cavities formed by enclosure walls and PCB copper planes. Both horizontal and vertical connections among these cavities are achieved by enforcing the boundary conditions along their common interfaces. Numerical examples demonstrate the efficiency and accuracy of the method by compared with full wave simulations.
ISSN:2325-0356
DOI:10.1109/EMCEUROPE.2008.4786812