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呵呵 不知多少天才画好的线路板,
2013-3-21 16:36
- PCB技术
- 42
- 8387
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求助啊!!!帮我看下怎么调过来啊
2009-5-27 08:37
- PCB技术
- 10
- 1381
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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★ 双色LED点阵条屏 (8x8-R/G 16x64) 行列驱动显示板 (3D) ★
2009-7-29 15:12
- PCB技术
- 27
- 8043
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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画的第二块板子,请指教
2013-3-21 15:55
- PCB技术
- 32
- 5846
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![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
求教芯片、仿真问题
2009-5-21 18:33
- 新手园地
- 2
- 1223
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考一下新人,基础知识。不知几人能答上。
2012-12-28 15:18
- 新手园地
- 164
- 28704
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电子制作
2009-5-26 18:13
- 新手园地
- 8
- 1361
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
L7805貌似发热过大
2009-6-30 14:16
- 模拟技术论坛
- 44
- 6657
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![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
74HC245输入端上拉有什么用呢?
2009-5-21 21:29
- 模拟技术论坛
- 12
- 6492
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请问一下,12V这样出来行吗
2009-6-1 15:14
- 电路赏析
- 34
- 4271
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基础视频教学【模电,数电】讲的很好
2014-7-14 08:25
- 新手园地
- 95
- 29274
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虽说**的内容才是“灵魂”,但体裁、格式等细节也是讲
2013-6-17 09:00
- 新手园地
- 42
- 7275
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滤波电容问题?
2009-6-2 11:03
- 模拟技术论坛
- 17
- 2249
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电子工程师的1年工作成长经历
2009-6-2 18:00
- 新手园地
- 27
- 3938
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怎样制作基准交流5V电压?
2009-6-29 15:09
- 电源技术
- 19
- 2943
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电容降压的工作原理
2009-5-22 09:59
- 电路赏析
- 4
- 5262
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2
3
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