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Radiation of synchronous buck converter modelled by three magnetic moments and combined with SPICE simulations

机译:通过三个磁矩建模并与SPICE仿真相结合的同步降压转换器的辐射

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Radiation characteristics of a system-in-package (SiP) synchronous buck converter are analyzed by a set of 3D electromagnetic (EM) simulations. The simulated radiation characteristics are modelled by three orthogonal magnetic moments. Each magnetic moment is related to a geometric loop present in the modelled structure. The proposed model describes accurately both the maximum radiated fields and the shape of the radiation pattern. The application of the proposed model is demonstrated by combining it with the results of SPICE simulations of the analyzed converter in order to predict its radiated emissions.
机译:通过一组3D电磁(EM)仿真分析了系统级封装(SiP)同步降压转换器的辐射特性。通过三个正交磁矩对模拟辐射特性进行建模。每个磁矩都与建模结构中存在的几何回路有关。所提出的模型准确地描述了最大辐射场和辐射图的形状。通过将其与所分析转换器的SPICE仿真结果相结合来证明所建议模型的应用,以便预测其辐射发射。

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