基于MC14433交流电压表的设计与制作  

Desing and Making of Digital AC Voltage Meter Based on MC14433

作　　者：濮霞[1] 胡亚刚[1] 黄天辰[1] 郎宾[1] 

机构地区：[1]军械工程学院,河北石家庄050003

出　　处：《机械与电子》2013年第6期26-29,共4页Machinery & Electronics

摘　　要：设计制作了一种基于MC14433三位半A/D转换器的数字交流电压表,采用运算放大器和集成多路模拟开关电路CD4052,实现了电压表量程自动切换,构成完备的测量系统。系统可以对0～200V交流电压进行量程自动转换的测量。电路采用纯硬件实现,具有成本低、结构简单和操作方便的优点。It is designed of digital AC voltage meter based on the three and a half A/D converter MC14433. The voltage meter is used the operational amplifier and integrated multi - channel analog switch circuit CD4052 to realize automatic range switching, it complete measurement system. The system is capable of 0-200 V AC voltage automatic conversion range measurement. It use pure hardware circuit, and has the advantages of low cost, simple structure, convenient operation.

关 键 词：数字交流电压表 电路设计 自动量程转换 自主实验 

分 类 号：TM933.22[电气工程—电力电子与电力传动]