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把+24V转换成5V的电源模块那个好一点,发热量低,使用寿命
2008-6-8 22:12
- 模拟技术论坛
- 7
- 2004
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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怎么样把正旋波变成方波求一电路?
2008-8-10 23:17
- 电路赏析
- 15
- 4383
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
请教IC的NC问题
2008-6-9 15:16
- 新手园地
- 7
- 1738
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
这个电容符号代表什么电容? (有改正,请审核)
2012-5-27 18:06
- 新手园地
- 45
- 23617
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
清华《数字电子技术基础》有叙述逻辑错误
2008-6-12 20:38
- 新手园地
- 23
- 3675
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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