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线宽与电流 请下载保存
2024-6-25 16:59
- PCB技术
- 316
- 37954
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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华为模拟技术讲义(上下册)
2023-12-25 10:25
- 模拟技术论坛
- 1060
- 95131
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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花了我2800的EMC培训资料,资料共享一下
2023-1-18 10:52
- 模拟技术论坛
- 556
- 72075
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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AVR经典之【藏书阁】
2022-5-17 09:04
- 侃单片机论坛
- 381
- 45006
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单片机C语言程序设计实训100例第03篇
2016-6-6 22:21
- 侃单片机论坛
- 103
- 12209
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看看我画PCB板,给点建议~~
2012-8-24 15:48
- PCB技术
- 43
- 5734
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晒下自己画的第一块双层板
2011-10-10 10:29
- PCB技术
- 41
- 6728
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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请问:画pcb的时候,图纸通常用mil还是mm为单位
2011-10-9 22:18
- PCB技术
- 11
- 9669
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有图,有真相
2011-10-10 12:32
- PCB技术
- 8
- 1448
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
都是高手,本人新手求指教,两星期作品
2011-10-10 13:04
- PCB技术
- 6
- 1417
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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大家都用哪款软件啊,感觉坛里用PROTEL的不多呀
2011-10-9 21:37
- PCB技术
- 10
- 1815
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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自平衡小车资料整理贴
2015-7-31 00:10
- 侃单片机论坛
- 181
- 28720
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求救 模电放大电路静态工作点求解
2013-1-19 22:26
- 新手园地
- 21
- 11150
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好书,快抢~~
2015-1-30 13:34
- PCB技术
- 302
- 33202
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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请教PROTEL 99SE
2011-9-23 15:09
- PCB技术
- 9
- 1606
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
protel99 里边 怎么放置汉字?
2011-9-20 21:12
- PCB技术
- 4
- 4211
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
刚学PCB问题
2011-10-1 19:35
- PCB技术
- 4
- 1655
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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晒单片机的板子 求虐 表客气哈 承蒙各位指点 再次多谢
2011-10-19 12:24
- PCB技术
- 43
- 5419
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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470MHz功放问题请教
2011-10-12 19:49
- 德州仪器模拟论坛
- 2
- 1999
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2
3
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