一种高可靠性可编程低通滤波器的设计与应用

Design of a programmable low-pass filter based on high reliability and its applications

本文在综合考虑了传感器特性、信号传输和现场应用等因素的基础上,设计了一种高可靠性可编程低通滤波器。与传统的信号滤波器相比,具有带宽可编程选择、放大倍数可灵活调整、可靠性高等优点。通过实验测试及其工程应用,验证了该滤波器操作的方便性、可靠性和良好的滤波效果,很好地满足了测量要求。

The programmable filter is designed based on high reliability after detailed investigations on the characteristics of sensors,the signal transmission and field application.It is general-purpose,which can increase the convenience of adjusting bandwidth as well as decrease the complexity of monitoring system and increase its reliability.The bandwidth and the amplification of the circuitry are programmable.The power supply of the sensors is included and is protected from short circuit.The filtering effect of t...