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3MM的线宽可否通过5A的电流?
2012-5-4 09:36
- PCB技术
- 14
- 7972
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
小弟又画了一块~ 求指教,求大腿。
2011-12-9 10:20
- PCB技术
- 46
- 5541
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
protel 设计电路板外形Mechanical1 与 KeepOut哪个层决定呢?
2019-12-25 08:28
- PCB技术
- 19
- 29353
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
PCB板实物怎么转原理图?
2011-11-22 12:54
- PCB技术
- 30
- 8451
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
摄像头信号1分2(1个摄像头的信号分成两路相同信号)
2011-9-16 17:42
- 模拟技术论坛
- 4
- 3482
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
万用表是怎样驱动二极管的?
2011-10-4 21:22
- 新手园地
- 10
- 1551
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
我是愤青,怎么地!!!
2011-11-12 18:15
- 新手园地
- 39
- 4327
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
PCB技术
2011-9-16 21:38
- 新手园地
- 9
- 1461
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
DC/DC有时候启动不了啊??
2011-9-21 09:30
- 模拟技术论坛
- 11
- 1532
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
求解这个二极管用途……
2011-9-17 07:47
- 模拟技术论坛
- 4
- 1298
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
请教两个关于PCB直板的规范问题
2011-11-18 16:24
- PCB技术
- 6
- 1505
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
第一次画板,请诸位多多拍砖
2011-11-24 17:11
- PCB技术
- 10
- 1552
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
2
3
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