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/82/1049331256446158.gif');}" onmousewheel="return imgzoom(this);">没事设计了一个后级,请高手点评.
这个后级,500W以下意义不大.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/82/1049331256446158.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/82/1049331256446158.gif');}" onmousewheel="return imgzoom(this);">全部回复(5)
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下硅开通时光耦失电,上硅得不到触发,下硅开启后不能关闭,电路无法循环工作.
上硅的工作状态可能关不断.因为触发和LC关断不可能同步《触发不是瞬间,是长期》.
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/82/1049331256446158.gif');}" onmousewheel="return imgzoom(this);">
图还得改进.
上硅的工作状态可能关不断.因为触发和LC关断不可能同步《触发不是瞬间,是长期》.
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/82/1049331256446158.gif');}" onmousewheel="return imgzoom(this);">
图还得改进.
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