放大电路原理图screen.width-333)this.width=screen.width-333">元件的选择：R1-18=47KR15-16-32-33=150KC12-13-25-26=100nF100V MKTR2-19-13-29=270RR17-34=100RTR1-2=220R trimmerR3-20=1KC1

【用　途】 【性能 参数】【互换 兼容】

screen.width-333)this.width=screen.width-333" border=0>screen.width-333)this.width=screen.width-333"

screen.width-333)this.width=screen.width-333" border=0>点击放大screen.width-333)this.width=screen.width-333

screen.width-333)this.width=screen.width-333" border=0>LTC4053应用电路一 字串1 screen.width-333)this.width=screen.width-333" border=0>LTC4053应用电路二

screen.width-333)this.width=screen.width-333" border=0> 普通的接触式开关在使用时需要触摸金属片，而本电路的感应片是隐藏在塑料面板下的，因此具有更高的安全性screen.width-333)this.width=screen.width-333" border=0>&n

screen.width-333)this.width=screen.width-333" border=0>点击放大

screen.width-333)this.width=screen.width-333" border=0>

screen.width-333)this.width=screen.width-333">

screen.width-333)this.width=screen.width-333" border=0>