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第一次画4层板,有点迷惑,大侠赐教
2007-1-19 21:57
- PCB技术
- 2
- 3003
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
PADS(POWER PCB)关于过孔问题
2007-1-17 16:51
- PCB技术
- 1
- 4360
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
跪问关于SDRAM布线问题!!!
2007-1-20 09:04
- PCB技术
- 4
- 2985
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
board 和 keepout 问题
2007-1-17 11:17
- PCB技术
- 5
- 3247
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
PCBLAYOUT软件使用情况调查!
2007-3-27 14:11
- PCB技术
- 29
- 5667
![](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
近期访客