Study of the ground bounce caused by power plane resonances

被引：126

作者：

Van den Berghe, S ^{[1
]}

Olyslager, F

De Zutter, D

De Moerloose, J

Temmerman, W

机构：

[1] State Univ Ghent, Dept Informat Technol, B-9000 Ghent, Belgium

[2] Alcatel Bell Telephone, Div Res, B-2018 Antwerp, Belgium

来源：

IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY | 1998年 / 40卷 / 02期

关键词：

Delta I noise; FDTD; ground bounce; power plane resonances;

D O I：

10.1109/15.673616

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, we describe Delta-I noise caused by power plane resonances in multilayer boards. First, we study the effect of power plane resonances on the ground bounce of the system by performing finite-difference time-domain (FDTD) simulations, We simulate the voltage fluctuations at one point of the printed circuit board (PCB) due to a current surge between the power planes in a different point, Next, two methods to prevent this ground bounce effect are investigated, The first method consists of adding lumped capacitances to the design, The effect of one large capacitor is compared to the effect of adding a "wall" of smaller capacitors. A second approach is to isolate the chips by etching a slot around the sensitive integrated circuits (IC's) and connecting both sides by a small inductor, Both methods provide excellent protection against power plane resonances.

引用

页码：111 / 119

页数：9

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