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Combining diagonal connection and cancellation turn in electromagnetic interference filtering

机译:结合对角线连接和抵消转弯进行电磁干扰过滤

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摘要

In this study, a new printed circuit board (PCB) implementation of the diagonal connection is proposed. The two capacitors that are connected diagonally are laid out as close as possible and in such a way that their currents have opposite directions. The new layout combines the benefits of the so-called `cancellation turn' with the benefits of the diagonal connection, without the need for additional PCB space and components. The experimental results show that the self-resonant frequency of the diagonally connected capacitors increased by 32%. Additionally, the coupling between the diagonally connected capacitors and a capacitor on the other side of the filter was reduced by 20-25 dB.
机译:在这项研究中,提出了一种新的对角连接的印刷电路板(PCB)实现。对角连接的两个电容器的布局应尽可能靠近,并使其电流方向相反。新的布局将所谓的“取消转弯”的好处与对角线连接的好处结合在一起,而无需额外的PCB空间和组件。实验结果表明,对角连接电容器的自谐振频率增加了32%。另外,对角连接的电容器与滤波器另一侧的电容器之间的耦合减小了20-25 dB。

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    《Power Electronics, IET》 |2014年第3期|559-566|共8页
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