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求助各位大侠如何变动这款200W无极灯滤波电路才能达标

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/66/2666111214817857.jpg?x-oss-process=image/watermark,g_center,image_YXJ0aWNsZS9wdWJsaWMvd2F0ZXJtYXJrLnBuZz94LW9zcy1wcm9jZXNzPWltYWdlL3Jlc2l6ZSxQXzQwCg,t_20');}" 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/66/2666111214817873.jpg?x-oss-process=image/watermark,g_center,image_YXJ0aWNsZS9wdWJsaWMvd2F0ZXJtYXJrLnBuZz94LW9zcy1wcm9jZXNzPWltYWdlL3Jlc2l6ZSxQXzQwCg,t_20');}" onmousewheel="return imgzoom(this);">
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65171056
LV.5
2
2008-07-01 15:04
贴个PCB图来看看
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2009-02-03 17:12
250K低频.呵呵....
奇次谐波很严重啊.
qq:993504876
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wdwd
LV.5
4
2009-02-06 23:00
@zhengweiwu
250K低频.呵呵....奇次谐波很严重啊.qq:993504876
C5,C4移到C2两端;
C6可以增大些.
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2009-02-09 17:06
@wdwd
C5,C4移到C2两端;C6可以增大些.
按规要求,不容许很大的.
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