摘要
介绍了计算机化心脏工作站心电采集盒的组成,分析了12导联心电输入及右腿驱动电路、8通道共模抑制比心电放大电路、心电信号微处理器处理电路、双通道数字隔离器及DC/DC隔离电源变换器电路和USB传输电路的电路原理,希望为医学工程技术人员对类似产品的检测、维修提供帮助。
The composition of the computerized heart workstation ECG acquisition box was introduced,and the circuit principles were analyzed for the circuits of 12-lead ECG input and right leg drive,8-channel common mode rejection ratio ECG amplification,microprocessor processing of ECG signal,dual-channel digital isolator and DC/DC isolated power converter as well as USB transmission,and references were provided to facilitate the medical engineers in examination and maintenance of similar devices.
作者
杨继鹏
于良军
田华
YANG Ji-peng;YU Liang-jun;TIAN Hua(Department of Information Engineering,Shandong Vocational Institute of Fashion Technology,Tai'an 271001,Shandong Province,China;Tai'an Medical Equipment Maintenance Administration Station,Tai'an 271099,Shandong Province,China)
出处
《医疗卫生装备》
CAS
2020年第8期77-80,共4页
Chinese Medical Equipment Journal
