触摸按键设计参考

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1、触摸按键应用设计参考LH822A/LH821A/LH121A适用2011‐10‐29深圳市桓盛科技有限公司szhuansheng@126.com触摸按键应用设计参考目录1.触摸按键的功能与原理..............................................................................................................21.1触摸按键的功能.................................................

2、...............................................................21.2触摸按键的原理................................................................................................................22.PCB常规设计指南....................................................................

3、...................................................32.1电路板布局........................................................................................................................32.2地层................................................................................

4、...................................................32.3通讯线的隔离.....................................................................................................................42.4电源..................................................................................

5、.................................................53.感应盘电极与元件的设计..........................................................................................................63.1按键...........................................................................................

6、........................................63.1.1形状.........................................................................................................................63.1.2尺寸.........................................................................................

7、................................73.1.3按键和引线的间距.................................................................................................73.1.4按键‐地的间隙.......................................................................................................83.2滑动条

8、................................................................................................................................83.2.1滑动条尺