一种具有新颖电磁带隙结构的印刷电路板电源平面

doi:10.3969/j.issn.1001-2400.2011.03.004

J4 ›› 2011, Vol. 38 ›› Issue (3): 20-23.doi: 10.3969/j.issn.1001-2400.2011.03.004

一种具有新颖电磁带隙结构的印刷电路板电源平面

路宏敏¹；余志勇²；赵益民¹；那彦¹

(1. 西安电子科技大学电子工程学院，陕西西安 710071；
2. 解放军第二炮兵工程学院，陕西西安 710025)

收稿日期:2010-04-27 出版日期:2011-06-20 发布日期:2011-07-14
通讯作者: 路宏敏
作者简介:路宏敏(1961-)，男，教授，E-mail: hmlu@mail.xidian.edu.cn．
基金资助:
国家自然科学基金资助项目(60571059)

Power plan of the printed circuit board with novel electromagnetic band-gap structures

LU Hongmin¹；YU Zhiyong²；ZHAO Yimin¹；NA Yan¹

(1. School of Electronic Engineering, Xidian Univ., Xi'an 710071， China|
2. Second Artillery Engineering Institute, Xi'an 710025， China)

Received:2010-04-27 Online:2011-06-20 Published:2011-07-14
Contact: LU Hongmin

摘要/Abstract

摘要：

针对印刷电路板电源平面或地平面同步开关噪声的抑制问题，提出了一种新颖的二维电磁带隙结构．这一新颖设计基于用折线增加贴片的有效电感，单位晶格由折线、缝隙和正方形金属贴片桥接构建．结果表明，与相同参数的L形桥接电磁带隙结构比较，抑制深度为-30dB时，新型二维电磁带隙结构的阻带宽度覆盖0.40GHz到5.1GHz的频率范围，相对带宽提高了约16.2%，阻带下限截止频率下降了200MHz，且具有全向抑制同步开关噪声以及采用标准印刷电路板工艺制作的优势．

关键词: 印刷电路板, 同步开关噪声, 电磁带隙结构

Abstract:

In allusion to the suppression of the simultaneous switching noise (SSN) within the power/ground planes of the printed circuit boards, a novel planar electromagnetic band-gap (EBG) structure is proposed. The novel design is based on using meander lines to increase the effective inductance of EBG patches, and the unit cell of the EBG power plane consists of one square patch with the slots and four meander line bridges. The design is validated numerically, and simulation results show that the -30dB suppression bandwidth ranges from 0.40GHz to 5.1GHz compared with the L-bridged EBG of the same parameters, that the lower cut-off frequency is decreased by 200MHz, and that the relative bandwidth is increased by about 16.2%. In addition to the advantage of the omnidirectional suppression of the SSN, the proposed EBG structure can be achieved by means of the standard PCB process.

Key words: printed circuit board, simultaneous switching noise, electromagnetic band-gap structures

路宏敏；余志勇；赵益民；那彦. 一种具有新颖电磁带隙结构的印刷电路板电源平面[J]. J4, 2011, 38(3): 20-23.

LU Hongmin；YU Zhiyong；ZHAO Yimin；NA Yan. Power plan of the printed circuit board with novel electromagnetic band-gap structures[J]. J4, 2011, 38(3): 20-23.

参考文献

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一种具有新颖电磁带隙结构的印刷电路板电源平面

Power plan of the printed circuit board with novel electromagnetic band-gap structures

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