一种程控生理信号放大滤波器的设计  

The Design of a kind of Programmable Physiological Amplifier and Filter

作　　者：朱弋[1] 阮兴云[1] 徐志荣[1] 田学隆[2] 郑尔信[2] 

机构地区：[1]成都军区昆明总医院,昆明650032 [2]重庆大学信息工程学院,重庆630044

出　　处：《医疗装备》2003年第5期1-2,共2页Medical Equipment

摘　　要：本文介绍一种程控放大滤波器 ,它可以直接插于微机主板的功能扩展槽上 ,通过软件编程来设定放大器增益和滤波频率 ,以满足不同生理信号特点的需要 ,并能与A/D卡接口 。This article introduces a kind of programmable physiological amplifier and filter,it can be pluged onto the main board of a computer to meet different need of several physiological signals by the way of programmable software which controls the gain of amplifier and the frequency of filter.It can be interfaced with A/D converter and make data processing.

关 键 词：程控放大滤波器 生理信号 微机主板 增益 滤波频率 数据处理 医疗仪器 

分 类 号：TH772.2[机械工程—仪器科学与技术]