![Image](/./qsource/plugin/uhome/template/assets/img/user_home_headerbg.jpg)
关于电流有效值、电压有效值、功率有效值的测量与计算
2013-2-16 10:14
- 仪器仪表
- 20
- 6603
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
求数显多功能电力仪表设计方案
2013-11-17 08:54
- 仪器仪表
- 6
- 2693
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
大家好,请教大家一个简单的电压表问题(使用7107做的)
2010-4-25 15:36
- 仪器仪表
- 36
- 4607
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
各位老大,电压表一般选用什么单片机
2010-3-1 12:34
- 仪器仪表
- 19
- 3433
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
CS5463功率因数校正
2010-4-8 17:27
- 仪器仪表
- 3
- 2589
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
芯唐万利把M0内核的芯片大概价格公开下啊!
2010-7-29 12:57
- 万利电子
- 66
- 12574
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
求无功功率的问题.
2007-2-15 16:55
- 仪器仪表
- 6
- 2137
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
2
3
近期访客