The tabbed lines have been shown to be effective for the reduction of the far-end crosstalk (FEXT) in high speed data buses. However the amount of tabbed lines in a specific line or bus is usually left to the layout designer without having at hand clear guidelines on how to implement them. The work proposed in this abstract aims at clearly analyzing the impact of the tabbed section percentage with respect to the overall line (bus) length. The presented parametric analysis demonstrates that a FEXT minimum can be always found in the percentage of tabbed portion. The corresponding percentage is function of the specific geometry of the tabs.
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