![Image](/./qsource/plugin/uhome/template/assets/img/user_home_headerbg.jpg)
三极管的基极电阻问题
2007-4-23 18:48
- 新手园地
- 8
- 2158
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
这东西要积累嘛,**学就行
2007-6-18 12:50
- 新手园地
- 60
- 8997
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
请问 风扇 电路中 ,霍尔元件的作用是什么?
2015-4-10 23:33
- 新手园地
- 3
- 2514
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
关于电子与空穴的问题(我晕了)
2007-4-22 19:44
- 新手园地
- 2
- 1833
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
请教一个问题,色环电感其颜色所代表的是不是和电阻一样?
2007-4-22 19:41
- 新手园地
- 3
- 1526
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
bin文件和hex文件有什么区别
2007-4-22 21:23
- 新手园地
- 7
- 2485
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
求助
2016-11-17 15:29
- 新手园地
- 5
- 1997
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
延时子程序
2007-4-22 19:32
- 新手园地
- 9
- 1615
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
二极管作用
2007-4-22 19:31
- 新手园地
- 3
- 2016
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
C语言程序设计入门学习六步曲
2011-5-18 15:20
- 新手园地
- 21
- 5023
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
积分电路
2007-5-11 11:09
- 新手园地
- 14
- 2006
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
一本好书,竟然题有这样的一道题!!
2008-8-19 23:14
- 模拟技术论坛
- 42
- 7239
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
请教电路图,
2007-5-6 14:52
- 电路赏析
- 54
- 6976
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
实用电路图分析
2011-9-15 13:24
- 电路赏析
- 136
- 40454
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
NPN 和 PNP的区别
2007-6-1 21:49
- 电路赏析
- 28
- 15036
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
求助。。。急啊!!!!
2007-4-23 07:46
- 电路赏析
- 8
- 1844
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
请教这个电感起什么作用呀?
2007-4-23 22:15
- 电路赏析
- 13
- 2053
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
求助:这个是什么器件?有点急~~
2007-4-23 00:15
- 新手园地
- 4
- 1754
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
求电子管元件资料
2007-4-22 19:16
- 电路赏析
- 4
- 1590
![](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