大多数时候，印刷电路板 （PCB） 上的接地层和接地层可以有效降低 EMI。当然，需要采用适当的设计技术来避免接地回路。多层 PCB 可以利用接地拼接，使用过孔将不同层的接地层连接在一起。

文/Leon编辑/cc孙聪颖‍去年，百度公关部副总裁璩静的争议言论闹得沸沸扬扬，最终以道歉离职收场。时隔一年，百度的高管 ...

Turn power on and off with a minimal switch or even no switch at all by adding a flip-flop to a SPST for a classic push-on, push-off Continue Reading ...

The video goes into a few other interesting tips, one highlight is using a ground-tied PCB perimeter zone, with wavelength-of-interest via stitching. This will reduce EMC side emissions from the ...