CURRENT CONVEYOR BASED EMG AMPLIFIER WITH SHUTDOWN CONTROL

被引：6

作者：

BRUUN, E

HAXTHAUSEN, EU

机构：

[1] Electronics Institute, Technical University of Denmark, DK-2800 Lyngby

来源：

ELECTRONICS LETTERS | 1991年 / 27卷 / 23期

关键词：

BIOMEDICAL ELECTRONICS; INSTRUMENTATION; MEASUREMENT; AMPLIFIERS; CURRENT CONVEYORS;

D O I：

10.1049/el:19911344

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 current conveyor implementation of an EMG amplifier with shutdown control is described. The shutdown control allows for measurements on electrically stimulated muscles because the amplifier can be turned off during the stimulation. The implementation using current conveyors makes it possible to perform the shutdown switching at a low impedance node, reducing switching transients to a level which does not cause saturation of the EMG amplifier. Experimental results indicate that the recovery period, required in a traditional EMG amplifier after the stimulation pulse, has been eliminated. The conveyor based amplifier is able to measure the EMG signals accurately immediately after the stimulation pulse.

引用

页码：2172 / 2174

页数：3

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