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/74/1390521234437026.gif');}" onmousewheel="return imgzoom(this);">谁能根据我的电路图帮我设计一款DC5V输入,双12V输出,输入与输出,两组输出组与组之间都要隔离,功率为1W的变压器呢
谁能根据我的电路图帮我设计一款DC5V输入,双12V输出,功率为1W的变压器呢,选用E型磁芯
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/74/1390521234437026.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/74/1390521234437026.gif');}" onmousewheel="return imgzoom(this);">