ECG监护仪检测放大电路的设计  

Design of Detection Amplifier Circuit for Electrocardiogram Monitor

作　　者：何伶俐[1] 王宇峰[1] 何汶静[1] 杨庆华[1] 

机构地区：[1]川北医学院影像系,四川南充637000

出　　处：《生物医学工程研究》2013年第1期31-34,37,共5页Journal Of Biomedical Engineering Research

摘　　要：介绍了一种ECG监护仪检测放大电路的设计方法。系统主要由前置放大电路、带通滤波电路、50Hz和35Hz陷波电路、主放大电路以及电平提升电路构成。此外,还设有电极脱落报警电路。经实验表明:该系统工作稳定可靠,达到设计要求,可用于ECG监护仪中。To describe the design of an ECG monitor detection amplifier circuit.The system is composed of preamplifier circuit,the band-pass filter circuit,50 Hz and 35 Hz notch circuits,the main amplifying circuit and a level-up circuit.In addition,it also has the alarm circuit of electrode shedding.The experiments show that the system is stable and reliable and can meet the design requirements,Therefore it can be used for ECG monitors.

关 键 词：ECG 前置放大电路 陷波滤波器 电平提升电路 电极脱落检测 

分 类 号：R318[医药卫生—生物医学工程]