模拟减缓电磁干扰的吸收材料

Qian Liu, Xiangyang Jiao, Jing Li, V. Khilkevich, J. Drewniak, P. Dixon, Y. Arien
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引用次数: 18

摘要

在这项研究中,测量了磁性吸收材料的参数,并用于预测它们在降低散热器总辐射功率方面的有效性。采用传输线法测量吸波材料的参数,采用德拜模型进行拟合。通过比较模拟微带线和实测微带线的s参数和功率损耗,验证了拟合材料参数的有效性。还对散热器模型进行了研究,以确定有耗材料的辐射减缓。
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Modeling absorbing materials for EMI mitigation
In this study, the parameters of magnetic absorbing materials were measured and used to predict their effectiveness at reducing total radiation power from a heat sink. The parameters of absorbing materials were measured using a transmission line method and fitted using the Debye model. By comparing S-parameters and power loss between a simulated and measured microstrip line, the fitted material parameters were validated. The heat sink model has also been investigated to determine the radiation mitigation with lossy materials.
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