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IEICE TRANSACTIONS on Communications

Partial Placement of EBG on Both Power and Ground Planes for Broadband Suppression of Simultaneous Switching Noise

Jong Hwa KWON, Jong Gwan YOOK

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Summary :

In this paper, a novel method of partially placing electromagnetic band-gap (EBG) unit cells on both the power and ground planes in multi-layer PCBs and packages is proposed; it can not only sufficiently eliminate simultaneous switching noise (SSN), but also prevent severe degradation of signal quality in high-speed systems with imperfect reference planes resulting from the perforated structures of uni-planar EBG unit cells. On the assumption that the noise sources and noise-sensitive devices exist only in specific areas, the proposed method partially arranges the EBG unit cells on both the power and ground planes, but only around the critical areas. The SSN suppression performance of the proposed structure is verified by a simulation and measurements.

Publication
IEICE TRANSACTIONS on Communications Vol.E92-B No.7 pp.2550-2553
Publication Date
2009/07/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E92.B.2550
Type of Manuscript
LETTER
Category
Electromagnetic Compatibility(EMC)

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