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新型折线形共面EBG电源层结构的噪声抑制特性验证与分析

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新型折线形共面EBG电源层结构的噪声抑制特性验证与分析
Analysis of SSN Suppression Characteristics of a New Copier EBG Power Supply Layer with Different Width Polyline Connection Lines
投稿时间:2017-12-12
DOI:10.15918/j.tbit1001-0645.2019.05.013
中文关键词:电磁兼容性印刷电路板同步翻转噪声矢量网络分析仪
English Keywords:electromagnetic compatibilityprinted circuit boardsimultaneous switching noisevector network analyzer (VNA)
基金项目:国家自然科学基金资助项目(61601469);波音基金项目资助课题(20170159202)
作者单位E-mail
王鹏中国民航大学 天津市民用航空器适航与维修重点实验室, 天津 300300
芦浩中国民航大学 天津市民用航空器适航与维修重点实验室, 天津 300300
王子元中国民航大学 天津市民用航空器适航与维修重点实验室, 天津 300300
刘金枝中国民航大学 天津市民用航空器适航与维修重点实验室, 天津 300300
薛茜男天津大学 精密测试技术及仪器国家重点实验室, 天津 300192qiannanxue@163.com
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中文摘要:
提出一种新型折线形共面EBG电源层结构,进行了SSN抑制特性仿真分析和实际应用测试.保持金属连接线缝隙宽度为0.2 mm不变,设计宽度分别为0.1,0.2,0.3,0.4 mm的4种共面EBG电源层结构.仿真结果可以得出,金属连接线宽度为0.2 mm的共面EBG电源层结构中心截止频率最低,相对阻带带宽较高,相对特性最优.将金属连接线宽度为0.2 mm的共面EBG电源层结构基于印刷电路板工艺制成PCB电路板.通过矢量网络分析仪进行了实际测试,得出的抑制特性参数曲线与仿真曲线走势基本一致,验证了该设计的有效性.
English Summary:
A new type of flip-line coplanar electromagnetic band-gap (EBG) power supply layer structure was proposed in this paper, and the SSN suppression characteristic simulation analysis and practical application test were carried out. Maintaining the metal connection line gap width of 0.2 mm unchanged, four coplanar EBG power supply layer structures were designed with the design width of 0.1, 0.2, 0.3, 0.4 mm respectively. The simulation results show that the cutoff frequency of the coplanar EBG power supply layer with the width of 0.2 mm is the lowest, and the relative band width is higher and the relative characteristic is the best. A coplanar EBG power supply layer with a metal cable width of 0.2 mm was used to fabricate a PCB based on the printed circuit board process. And the actual test was carried out by the vector network analyzer (VNA). The suppression characteristic curve obtained is basically consistent with the trend of the simulation curve, verifying the validity of the design.
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