Design of an EEG Preamplifier for Brain-Computer Interface

被引：0
|
作者：
Xian-Jie Pu
机构：
来源：
Journal of Electronic Science and Technology | 2009年 / 7卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Brain-computer interface(BCI); electroencephalogram(EEG); filtering; interference; pre amplifier;
D O I：
暂无
中图分类号：
TN722 [放大器];
学科分类号：
080902 ;
摘要：
As a non-invasive neurophysiological index for brain-computer interface(BCI),electro-encephalogram(EEG) attracts much attention at present.In order to have a portable BCI,a simple and efficient pre-amplifier is crucial in practice.In this work,a preamplifier based on the characteristics of EEG signals is designed,which consists of a highly symmetrical input stage,low-pass filter,50 Hz notch filter and a post amplifier.A prototype of this EEG module is fabricated and EEG data are obtained through an actual experiment.The results demonstrate that the EEG preamplifier will be a promising unit for BCI in the future.
引用
收藏
页码：56 / 60
页数：5
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