抑制同步开关噪声的新型电磁带隙电源平面

doi:10.3969/j.issn.1001-2400.2016.05.010

西安电子科技大学学报

抑制同步开关噪声的新型电磁带隙电源平面

张光硕;路宏敏;谭康伯;官乔;肖骏飞

(西安电子科技大学电子工程学院，陕西西安 710071)

收稿日期:2015-08-31 出版日期:2016-10-20 发布日期:2016-12-02
通讯作者: 张光硕
作者简介:张光硕(1990-)，男，西安电子科技大学博士研究生, E-mail: guangshuozhang@foxmail.com．
基金资助:
国家部委预研基金资助项目(9140xxxxxxx)

Novel power plane with an electromagnetic bandgap structure for suppression of simultaneous switching noise

ZHANG Guangshuo;LU Hongmin;TAN Kangbo;GUANG Qiao;XIAO Junfei

(School of Electronic Engineering, Xidian Univ., Xi'an 710071, China)

Received:2015-08-31 Online:2016-10-20 Published:2016-12-02
Contact: ZHANG Guangshuo

摘要/Abstract

摘要：

针对印刷电路板中电源平面与接地平面间的同步开关噪声抑制问题，提出了一种新型的超宽带二维电磁带隙电源平面．新型电磁带隙电源平面的阻带带隙抑制深度为-30dB，阻带宽度为11.14GHz，下限截止频率为0.28GHz，其同步开关噪声抑制特性的测量结果与仿真结果吻合良好．与同参数的L-bridged电磁带隙结构比较，新型电磁带隙结构的阻带带宽增加约48.7％，下限截止频率降低0.46GHz．当采用差分线对传输信号时，新型电磁带隙电源平面对信号的完整性影响较小，有助于改善高速数字电路系统的电磁兼容性．

关键词: 同步开关噪声, 电磁带隙, 印刷电路板, 电磁兼容

Abstract:

For ultra-wideband suppression of simultaneous switching noise between the power plane and the ground plane within the printed circuit board, a novel power plane with planar electromagnetic bandgap structures is proposed. When the suppression depth of the bandgap is -30dB, the width of the stop-band is 11.14GHz and the lower cut-off frequency is 0.28GHz. The simulated and measured results of the novel power plane with planar electromagnetic bandgap structures are in good ageement. The new EBG's stop-band is dramatically increased about 48.7％, with the lower cut-off frequency decreased to 0.46GHz compared with the L-bridged EBG structure with the same parameters. The signal integrity of the new EBG power plane can be improved by using differential transmission lines. This work is helpful for the EMC improvement of high speed digital circuits.

Key words: simultaneous switching noise(SSN), electromagnetic band gap(EBG), printed circuit boards(PCB), electromagnetic compatibility(EMC)

张光硕;路宏敏;谭康伯;官乔;肖骏飞. 抑制同步开关噪声的新型电磁带隙电源平面[J]. 西安电子科技大学学报, 2016, 43(5): 52-56+189.

ZHANG Guangshuo;LU Hongmin;TAN Kangbo;GUANG Qiao;XIAO Junfei. Novel power plane with an electromagnetic bandgap structure for suppression of simultaneous switching noise[J]. Journal of Xidian University, 2016, 43(5): 52-56+189.

参考文献

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抑制同步开关噪声的新型电磁带隙电源平面

Novel power plane with an electromagnetic bandgap structure for suppression of simultaneous switching noise

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