摘要
利用单片机和AD转换器TLC549实现5-50V输入电压的有效值的检测。系统由电压转换电路、AD转换电路、单片机处理电路、显示电路、按键电路和电源电路等组成。文章介绍了对各个电路的设计。系统简单、能实现要求功能,稍微修改一下电路参数值,可实现更高输入电压的转换。
The detection of 5-50V input voltage effective value by using single chip microcomputer and AD converter TLC549.The system consists of a voltage conversion circuit,AD conversion circuit,single chip processing circuit,display circuit,keyboard circuit and power circuit etc..This paper introduces the design of each circuit.The system is simple,can realize the function requirements,slightly modified circuit parameters,can achieve higher input voltage conversion.
出处
《电子测试》
2015年第4期36-37,共2页
Electronic Test
关键词
电压
有效值
单片机
voltage effective value
single chip microcomputer
