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这几天画的板子请大家拍砖
2011-4-19 17:06
- 电源技术
- 14
- 1747
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
请教高手!求一个开关电源方案。请进!
2009-2-10 16:15
- 电源技术
- 2
- 1114
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
请教高手这个DC-DC外接电容起啥作用?(有图)以前没见过这种
2008-11-6 10:56
- 电源技术
- 6
- 2070
看看啥子芯片
2008-8-5 15:16
- 通信技术
- 7
- 1510
菜鸟画的垃圾板-2
2007-5-7 14:08
- PCB技术
- 16
- 2591
2
3
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