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US6020562A Reduced-capacitance component mounting pads and capacitance-reduction methods for high frequency multi-layer printed circuit boards 失效
用于高频多层印刷电路板的减少电容元件安装垫和电容降低方法

Reduced-capacitance component mounting pads and capacitance-reduction
methods for high frequency multi-layer printed circuit boards
摘要:
Component mounting pads for multi-layer printed circuit boards encompass a smaller area than conventional pads, reducing parasitic capacitance between the pads and a ground plane layer. A number of such pads are arranged to accommodate standard surface-mount component sizes and packages. Further capacitance reductions are achieved by implementing mesh areas or apertures in the board's ground plane opposite the reduced-capacitance pads.
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