Low power Sigma-Delta analog-to-digital converter interface for biomedical measurement system

被引：0

作者：

Djurica, M ^{[1
]}

Huijsing, JH ^{[1
]}

机构：

[1] Delft Univ Technol, Elect Instrumentat Lab, NL-2600 GA Delft, Netherlands

来源：

SENSOR TECHNOLOGY IN THE NETHERLANDS: STATE OF THE ART | 1998年

关键词：

interface electronics; Sigma Delta; analog-to-digital converter; low power; biomedical measurement system;

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：

A dedicated CMOS Sigma-Delta modulator for use in a biomedical measurement system is presented. Measurement system is developed at the Medical Physics Laboratory of the University of Amsterdam. It is portable and battery operated. System consists of 32 measurement active electrodes, analog-to-digital converters, and transmitter. Every channel having its own dedicated analog-to-digital converter (ADC). In this way, time skew of measured biopotentials is avoided. Large number of ADCs in a battery powered system emphasizes Low Power Low Voltage operation. ADC was designed at Electronic Instrumentation Laboratory, TU Delft.

引用

页码：269 / 273

页数：5

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