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Open AccessArticle

A Novel Meander Split Power/Ground Plane Reducing Crosstalk of Traces Crossing Over

by Jung-Han Lee 1,2
1
Department of Electronic Engineering, Sogang University, Seoul 04107, Korea
2
Marine Security and Safety Research Center, Korea Institute of Ocean Science & Technology, Busan 49111, Korea
Electronics 2019, 8(9), 1041; https://doi.org/10.3390/electronics8091041
Received: 29 August 2019 / Revised: 14 September 2019 / Accepted: 16 September 2019 / Published: 17 September 2019
(This article belongs to the Special Issue Electromagnetic Interference and Compatibility)
In this paper, a novel meander split power/ground plane is proposed for reducing crosstalk between parallel lines crossing over it. The working mechanism of the meander split scheme is investigated by simulations and measurements. The LC equivalent circuit and transmission line model are developed for modeling interactions between the meander split and the signal lines. The proposed meander structure enhances electromagnetic coupling between split planes. The capacitive coupling across the split ensures signal integrity and magnetic coupling between adjacent finger shaped structures suppresses lateral wave propagation along the split gap, which in turn helps suppress the crosstalk. The effectiveness of the meander split remains valid over very wide frequency ranges (up to 9 GHz). Experimental results show that the proposed structure improves the signal quality and reduces the near/far end crosstalk over 30 dB and 50% in the frequency domain and time domain, respectively. View Full-Text
Keywords: meander split; power/ground plane; crosstalk; signal integrity; equivalent circuit; capacitive and magnetic coupling meander split; power/ground plane; crosstalk; signal integrity; equivalent circuit; capacitive and magnetic coupling
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MDPI and ACS Style

Lee, J.-H. A Novel Meander Split Power/Ground Plane Reducing Crosstalk of Traces Crossing Over. Electronics 2019, 8, 1041.

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