论文信息 - Impact of partial EBG PDN on PI, SI and lumped model-based correlation

Impact of partial EBG PDN on PI, SI and lumped model-based correlation

In this paper, design, modeling and impact of a partial electromagnetic band-gap (EBG) power distribution network (PDN) using remnants of the signal layer in a multilayer printed circuit board (PCB) are presented. A partial EBG PDN is embodied in a conventional four-layer stack-up PCB without any additional layer, and the impact of the proposed method on signal transmission quality improvement and power plane noise mitigation is investigated experimentally. And a lumped model-based simulation method is proposed and correlated with measurement results in both time and frequency domains. It is shown that the proposed method provides an improved signal return current path, resulting in better signal transmission quality and higher signal noise margin than conventional methods. In addition, the method enables lower power noise generation and better noise isolation.

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