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大神们,allegro在原理图中修改器件编号,可以同步在PCB里么
2015-7-14 16:35
- PCB技术
- 4
- 5864
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
allegro中怎么添加焊盘库?
2015-7-14 15:13
- PCB技术
- 10
- 9718
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
如何手工焊接QFP芯片底部的接地或散热金属盘?
2015-7-12 17:33
- PCB技术
- 6
- 8753
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
RF 射频PCB走线为什么要50Ω阻抗????
2015-9-15 15:57
- 通信技术
- 18
- 19650
![](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中多个地怎么铺铜
2019-11-12 17:58
- PCB技术
- 36
- 23292
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
求助合泰系列单片机高手
2016-7-21 15:53
- 侃单片机论坛
- 21
- 7472
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
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3
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