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牛人设计的TTL远距离通讯接口,请分析一下
2017-10-27 14:15
- 电路赏析
- 41
- 17873
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MOS管DG上面加电容是什么原理?
2023-6-3 09:30
- 电路赏析
- 20
- 15905
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
BLDC的速度离奇变化
2018-11-21 09:19
- 侃单片机论坛
- 13
- 2320
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
关于积分电路
2017-10-27 08:34
- 电子技术交流论坛
- 10
- 1934
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
这个器件是什么
2017-11-7 07:05
- 电子技术交流论坛
- 14
- 918
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
直流电压500V通断控制。
2017-11-9 10:55
- 电子技术交流论坛
- 15
- 2037
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
三极管控制继电器,,这里面q2起什么作用
2017-11-16 16:24
- 电子技术交流论坛
- 30
- 3211
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容阻降压后电压输出端一定要加这个电阻吗?
2017-10-26 15:12
- 新手园地
- 10
- 1639
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
PCB这个线怎么画比较好
2017-11-7 14:03
- 电子技术交流论坛
- 41
- 4790
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![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
恶心的**,求大神帮下个源码,STM32 USB更新代码的,感...
2017-10-31 17:13
- 侃单片机论坛
- 28
- 3883
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![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
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