哈哈…我自己弄的LM4780[原创]

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不久前掏来了四片LM4780，多方面收集资料，弄出了电路，然后用刀刻法做出PCB，用自做的钻孔机打孔，虽然用的不是什么发烧材料，但感觉声音还是不错。

哈哈…我自己弄的LM4780[原创]

哈哈…我自己弄的LM4780[原创]

       电路焊好后，检查了一片，没有什么问题了就接上电源和音箱，一次就成功了，

哈哈…我自己弄的LM4780[原创]

小鱼儿

刀锋下出的精品

阵风

同感，刀刻出来真好毅力！

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<img src="attachments/dvbbs/2005-1/2005129144828695.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-1/2005129144828695.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
散热器好像大了点，没有找到更合适的了。<img src="attachments/dvbbs/2005-1/2005129144951668.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-1/2005129144951668.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />

墨西哥跳豆

aeon

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这是我自己画的：<img src="attachments/dvbbs/2005-1/20051290312108.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-1/20051290312108.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />

伊良

好!

语蓝

蜈蚣脚你都能刀刻出pcb，厉害啊
楼主能否给个pcb布线图和电路原理图啊

小钳子

但提个建议:建议以后把那几个电阻设计得离IC尽量近!可以参考GC设计!

HQ

qpzmg

<img src="attachments/dvbbs/2005-1/2005128133137494.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-1/2005128133137494.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />

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继续<img src="attachments/dvbbs/2005-1/2005128132845907.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-1/2005128132845907.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />

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再来<img src="attachments/dvbbs/2005-1/2005128132623168.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-1/2005128132623168.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /><img src="attachments/dvbbs/2005-1/2005128132658777.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-1/2005128132658777.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />

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做好了的

DANIELYANG

用刀高手

寻星向南

digi01

qpzmg

15060065

真正的刀客,pfpf