空载工作在突发模式有杂音
空载工作在突发模式有杂音,吸收电路电容已经换成涤纶电容.如何解决?
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@jaybian
[图片]500){this.resized=true;this.width=500;this.alt='这是一张缩略图，点击可放大。\n按住CTRL，滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/84/1490931260847811.jpg');}"onmousewheel="returnimgzoom(this);">没附上,来了.
你前面是用什么PWM做的,输出是24V的?R19改为510串连一个12V的稳压管,C16可以去掉看看
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图，点击可放大。\n按住CTRL，滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/84/160311260848998.gif');}" onmousewheel="return imgzoom(this);">
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图，点击可放大。\n按住CTRL，滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/84/160311260848998.gif');}" onmousewheel="return imgzoom(this);"> 0
