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电子学报  2015 

以PCB为干扰源的带孔机箱电磁辐射特性仿真研究

DOI: 10.3969/j.issn.0372-2112.2015.03.030, PP. 611-614

Keywords: 干扰源,印制板,带孔机箱,电磁辐射特性

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Abstract:

对电子设备进行电磁辐射特性的研究,不仅要考虑机箱表面孔缝的电磁泄露,更要考虑机箱内部干扰源的电磁辐射特性.本文提出一种将PCB的电磁辐射能量导入机箱内部作为干扰源的方法,用于计算电子设备的整机电磁辐射特性,并与耦合微带线作为内部干扰源的方法进行对比.基于本文提出的将PCB作为干扰源的方法,研究了开孔尺寸、开孔类型、开孔位置对电子设备电磁辐射特性的影响,所总结的规律可为电子设备的工程设计提供一定参考标准.

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