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我做一款350W的开关电源,满载波形很好,空载时驱动波形也很好,但MOSFET的D极和S极波形有很大的反冲.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/20/1091457950.bmp');}" onmousewheel="return imgzoom(this);">
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