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请教一下敷铜的问题,这一块为什么敷不上
2009-12-30 18:16
- PCB技术
- 15
- 6148
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DDR上Mclk走线是否要屏蔽
2009-5-14 11:36
- PCB技术
- 7
- 1863
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![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
寻找大功率晶体管
2009-5-11 22:28
- EDA 技术
- 2
- 1220
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
ddr2 high performace controller的使用
2009-5-11 20:11
- EDA 技术
- 2
- 1632
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
pic ADC的外部参考源
2009-5-17 08:38
- Microchip
- 3
- 1873
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![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
哦,大概 HWM是有飞行驾*的,呵呵
2010-4-6 12:38
- 嵌入式操作系统论坛
- 101
- 14856
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请教大侠L298过流检测问题
2009-5-11 20:10
- 侃单片机论坛
- 2
- 1424
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![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
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