An Improved Front End Design for Bioelectrical Signal Acquisition

被引：0
|
作者：
Ding, Jianwen [1 ]
Zhang, Limin [1 ]
Yan, Feng [1 ]
Li, Xiang [1 ]
Wang, Jun [1 ]
Guo, Liangzhi [2 ]
机构：
[1] Nanjing Univ, Sch Elect Sci & Engn, Nanjing, Jiangsu, Peoples R China
[2] Jiangsu Nanjing Univ 5D Technol Co Ltd, Nanjing, Jiangsu, Peoples R China
来源：
2017 IEEE SENSORS | 2017年
关键词：
front-end; common mode rejection ratio; electrocardiogram watch; bioelectrical signal;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An improved front-end processing circuit for bioelectrical signal acquisition is proposed for high common mode rejection ratio. The proposed circuit consists of three parts, bias voltage divider, ADC process unit and virtual driven-right-leg circuit. Through partial public DC bias circuit and virtual right leg drive circuit, common mode rejection ratio of the circuit can be improved effectively, as well as the engineering simplification for wearable device development, one electrocardiogram watch is developed, which verifies the the feasibility of the proposed circuit for bioelectrical signal acquisition.
引用
收藏
页码：409 / 411
页数：3
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