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http://dx.doi.org/10.4218/etrij.16.0115.0997

Multi-stack Technique for a Compact and Wideband EBG Structure in High-Speed Multilayer Printed Circuit Boards  

Kim, Myunghoi (Department of Electric, Electronic and Control Engineering, Hankyong National University)
Publication Information
ETRI Journal / v.38, no.5, 2016 , pp. 903-910 More about this Journal
Abstract
We propose a novel multi-stack (MS) technique for a compact and wideband electromagnetic bandgap (EBG) structure in high-speed multilayer printed circuit boards. The proposed MS technique efficiently converts planar EBG arrays into a vertical structure, thus substantially miniaturizing the EBG area and reducing the distance between the noise source and the victim. A dispersion method is presented to examine the effects of the MS technique on the stopband characteristics. Enhanced features of the proposed MS-EBG structure were experimentally verified using test vehicles. It was experimentally demonstrated that the proposed MS-EBG structure efficiently suppresses the power/ground noise over a wideband frequency range with a shorter port-to-port spacing than the unit-cell length, thus overcoming a limitation of previous EBG structures.
Keywords
Electromagnetic bandgap (EBG); Miniaturization; Multi-stack (MS); Noise suppression; Printed circuit boards; Vertical branch;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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