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null
2010-12-30 11:59
- 创业|外包|承接
- 127
- 16942
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新版面,恭喜开张,来者有分
2012-6-28 11:20
- 机器人
- 224
- 82991
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开关电源的设计
2010-9-28 21:30
- 电源技术
- 19
- 2151
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请教价格低点的降压LED调光恒流驱动芯片型号
2010-9-27 17:37
- 电源技术
- 4
- 1656
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
求一个2V升到3.3V的升压电路
2010-9-30 13:09
- 电源技术
- 22
- 4949
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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串了个电容,为何电压波形变成这个样子,请大侠赐教
2010-9-26 09:21
- 模拟技术论坛
- 18
- 4535
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