基于AD620的心电监测放大信号的设计  

Design of ECG Monitoring of the Amplified Signal Based on AD620

作　　者：常星[1] 

机构地区：[1]陕西理工大学,陕西汉中723000

出　　处：《电子质量》2016年第10期30-32,共3页Electronics Quality

摘　　要：为了方便人们实时了解心律变化,得到较为准确的心电信号特征。提出了一种心电放大信号电路的设计,该设计采用低功耗、低成本、高精度仪表放大器AD620将心电信号(ECG)进行数据采集放大后,然后再经过低噪声、高精度、高度运算放大器OP07组成的滤波电路及主放大电路对前级放大的心电信号进行电路处理从而得到较为精确的心电信号。通过硬件测试系统达到了能够检测心电信好的目的。设计具有一定的实际应用价值。In order to facilitate the people to understand the real-time heart rate variability to obtain more accurate ECG feature.Proposed a ECG signal amplifying circuit design that uses low-power,low cost,high accuracy instrumentation amplifier AD620 the ECG（ECG）be enlarged after data collection,and then through the low pass noise,high accuracy,the height of the operational amplifier OP07 filter circuit composed of the main amplifier and preamp on the ECG signal processing circuit to obtain a more accurate ECG.Hardware test system capable of detecting heart Telecom reached a good purpose.Design has some practical value.

关 键 词：心电信号 放大器 AD620 

分 类 号：TH776[机械工程—仪器科学与技术]