Mixed-signal energy feature extractor of EEG frequency bands

被引：0

作者：

Carrasco-Robles, Manuel ^{[1
]}

Delgado-Restituto, Manuel ^{[1
]}

机构：

[1] Inst Microelect Seville IMSE CNM, Seville, Spain

来源：

2014 IEEE 5TH LATIN AMERICAN SYMPOSIUM ON CIRCUITS AND SYSTEMS (LASCAS) | 2014年

关键词：

SOC;

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：

This paper proposes a SAR-based circuit suitable to obtain the amount of signal energy contained in EEG frequency bands. It uses a reconfigurable topology which, in a first stage, acts as a conventional data converter for the incoming neural signal and, in a second stage, performs the squaring operation needed for energy extraction. A simple digital circuit keeps track of the most recent outputs from the squarer and provides the accumulated value of the input signal energy. The system has been simulated in an XFAB 0.18 mu m technology showing correct measurement of the energy.

引用

页数：4

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