输入去耦网络的辐射,通常用于切换DC-DC变换器

R. Blečić, R. Gillon, B. Nauwelaers, A. Barić
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引用次数: 3

摘要

通过一组电磁仿真,分析了开关DC-DC变换器输入去耦网络的辐射特性。输入去耦网络是DC-DC变换器的重要组成部分,对其辐射辐射有重要贡献。分析了输入去耦网络的几何参数,如印刷电路板上金属板的尺寸、PCB板的厚度、层数、过孔数和过孔半径对最大辐射场的影响。总结了用于开关DC-DC变换器的输入去耦网络的最小辐射发射设计准则。
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Radiation of input decoupling network typically used in switching DC-DC converters
Radiation characteristics of an input decoupling network for switching DC-DC converters are analyzed by a set of electromagnetic (EM) simulations. Input decoupling network is a part of a DC-DC converter with a dominant contribution to its radiated emissions. The impact of geometrical parameters of an input decoupling network such as the dimensions of metal plates on a printed circuit board (PCB), thickness of a PCB, number of layers, number of vias and radius of vias on the maximum radiated fields is analyzed. Design guidelines for minimizing radiated emissions of an input decoupling network for switching DC-DC converters are summarized.
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