摘要
介绍采用电压 频率 电压转换实现模拟量隔离的方法 ,给出了LM331的应用实例及技术指标 。
A A/D convert method by V/F conversion is introduced. The circuit based on LM331 device and technic target and its features are presented.The insulation can complete between signals in spot and measure circuit and border input channels.
出处
《基础自动化》
CSCD
2002年第1期61-62,共2页
Basic Automation
