Study of meander line delay in circuit boards

被引:50
|
作者
Rubin, BJ [1 ]
Singh, B
机构
[1] IBM Corp, Thomas J Watson Res Ctr, Yorktown Heights, NY 10598 USA
[2] IBM Corp, Syst Div, Poughkeepsie, NY 12601 USA
关键词
delay line; full-wave analysis; meander; serpentine; signal integrity;
D O I
10.1109/22.868994
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
A moment technique is used to determine the propagation delay in meander (serpentine) delay lines located in printed circuit boards of computer systems. The full three-dimensional effects of the meander structure including signal Line thickness, right-angle bends, and skin-effect are included. A set of delay lines having different pitches are considered, and results are calculated and compared to those from two-dimensional simulations, other commercial codes, analytic formulas in the literature, and experimental measurements, Based on the consistency of the results and sensitivity analyses involving numerical gridding and frequency content, the delays calculated for meander lines situated in a homogeneous medium are accurate to better than a few tenths of a percent.
引用
收藏
页码:1452 / 1460
页数:9
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