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4-20mA浮地电流信号采集如何消除模拟线相对ADC地的高压?
2020-6-8 15:55
- 模拟技术论坛
- 10
- 1109
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请教:芯片IO设置为UART,只接TX,RX,GND,芯片VCC会有电压吗?
2020-5-15 09:19
- 电子技术交流论坛
- 10
- 2656
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
为什么TCP是可靠非安全的,UDP是安全不可靠的。
2020-5-14 12:02
- 贝贝的实验室
- 3
- 912
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
CreateFileMapping参数的问题
2020-4-6 16:58
- 新手园地
- 2
- 732
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
高压放大电路求帮助
2020-3-30 17:56
- 模拟技术论坛
- 9
- 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)
该无线充电控制电路怎么理解?
2020-3-30 17:43
- 模拟技术论坛
- 2
- 616
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
低效380V转220V的方法
2019-12-10 14:47
- 电源技术
- 12
- 2302
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
输出三状态电路
2019-11-13 13:32
- 模拟技术论坛
- 25
- 1790
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
请教动圈式麦克风放大电路工作原理
2019-10-20 17:34
- 模拟技术论坛
- 31
- 7224
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
大神帮忙分析下,这个电路是如何震荡的,谢谢
2019-7-7 19:42
- 模拟技术论坛
- 18
- 1735
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
Type-C接口与普通的有何区别?充电会更快吗
2019-12-12 08:57
- USB技术专区
- 4
- 3036
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
static全局变量与普通的全局变量有什么区别?static局部变量和普通局部变量有什么区别?
2019-5-31 21:18
- 新手园地
- 3
- 1379
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
谁知道USB的D+D-两个差分信号线的电平是什么范围的?
2019-5-31 22:42
- 电子技术交流论坛
- 3
- 4853
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
谁会编写dos批命令处理啊
2019-5-31 10:28
- 新手园地
- 3
- 1107
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
联想真的是美帝良心吗?
2019-6-10 16:39
- 情感婚姻研习社
- 54
- 13385
![](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)
经典LM339电网过压检测电路门限计算
2021-1-12 11:24
- 电路赏析
- 12
- 14167
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
VCC跟GND之间的电阻作用是什么?
2020-3-8 11:21
- 新手园地
- 20
- 3955
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
sprintf格式化字符串的问题
2020-8-25 09:43
- 电子技术交流论坛
- 3
- 823
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
关于温升实验的神秘现象,跪求高人指点
2020-6-10 18:13
- 电子技术交流论坛
- 11
- 1133
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
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