摘要
微弱信号调理技术是测控领域的重要技术之一。采用模块化的思想,设计了一种带线性隔离的微弱信号调理电路,包括电源模块、放大模块、隔离模块和滤波模块等,对于提高数据采集系统的精度和保护采集设备具有实际应用价值。此外,还可以为外部传感器提供激励源信号。
Weak signal conditioning is one of the most important technology in the field of measurement and control.Based on modular thinking,this paper designs a weak signal conditioning circuit with linear isolation.The circuit consists of power supply part,amplifier part,isolation part and filtering part.It has a practical value to improve the accuracy of the data acquisition system and protect the equipment.In addition.It can also provide external excitation source signal to the external sensor.
出处
《工业控制计算机》
2016年第10期131-132,共2页
Industrial Control Computer
关键词
信号调理
线性隔离
电路设计
signal conditioning
linear isolation
circuit design
