Practical EBG application to multilayer PCB: impact on signal integrity

In this paper, signal transmission performance of single ended and differential striplines between two parallel GND planes with embedded electromagnetic band gap (EBG) structure for noise isolation in high speed digital printed circuit boards (PCB) are studied. The performances in terms of |S11|, |S21|, |Sdd21| and |Scc21| are considered in function of the stack up cross section and position above the EBG. Practical considerations for the layout strategies are drawn.

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