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一种抑制同步开关噪声的超宽带电磁带隙结构 被引量：2

A novel electromagnetic band-gap structure using for ultra-wideband SSN suppression
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摘要 针对谐振电磁带隙(Electromagnetic Band Gap,EBG)结构带宽比较窄的问题,通过研究EBG的等效电路模型,提出了一种新颖的垂直级联型EBG结构.同时使用Ansoft HFSS软件对所设计的结构进行仿真分析及验证.仿真结果表明:新结构在抑制深度为-40dB时,阻带范围为0.75～15.7GHz,具有14.95GHz噪声抑制的超带宽特性.与同尺寸的传统单过孔Mushroom EBG结构相比,带宽增加3.65GHz,相对带宽提高32.3%.新结构为改善EBG结构抑制噪声带宽提供一种理论参考的新方法. By analyzing the equivalent circuit mode for electromagnetic band-gap （EBG）, a novel vertical cascaded EBG structure is proposed for overcoming the characteristic of narrow bandwidth of conventional EBG structure. The simulation results demonstrate the stopband from 0.75 GHz to 15.7 GHz and the bandwidth is 14.95 GHz at the restrain depth of --40 dB. Comparing with the traditional one-via Mushroom EBG structure, the bandwidth presented EBG is increased by 3.65 GHz and the relative bandwidth is improved by 32. 3 %. The new structure provids a new kind of theoretical designing reference for EBG structure to improve the bandwidth of restraining noise.
作者 史凌峰 蔡成山 孟辰 成立业
机构地区 西安电子科技大学超高速电路设计与电磁兼容教育部重点实验室 西安电子科技大学电路计算机辅助设计(CAD)所
出处 《电波科学学报》 EI CSCD 北大核心 2013年第2期332-336,共5页 Chinese Journal of Radio Science
基金 国家自然科学基金(60876023) 国家重点实验室基金(JY0100092702)
关键词 电磁带隙 同步开关噪声 折叠式结构 高阻抗平面 electromagnetic band gap（EBG） simultaneous switching noise（SSN） fold structure high impedance surface（HIS）
分类号 TN81 [电子电信—信息与通信工程]
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参考文献13

  • 1KANG H,KIM H,KIM S G,et al. A localized en-hanced power plane topology for wideband suppressionof simultaneous switching noise [ J]. IEEE Transac-tions on Electromagnetic Compatibility, 2010,52(2):373-380.
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二级参考文献25

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电波科学学报
2013年 第2期

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