A High-Voltage Bipolar Transconductance Amplifier for Electrotactile Stimulation

被引：13

作者：

Schaning, Matthew A.

Kaczmarek, Kurt A. ^{[1
,2
]}

机构：

[1] Univ Wisconsin, Dept Orthoped & Rehabil Med, Madison, WI 53706 USA

[2] Univ Wisconsin, Dept Biomed Engn, Madison, WI 53706 USA

来源：

IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING | 2008年 / 55卷 / 10期

关键词：

Current control; electrocutaneous; electrotactile; transconductance amplifier (TA);

D O I：

10.1109/TBME.2008.926675

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

This paper describes a high-performance transconductance amplifier specifically designed for electrotactile (electrocutaneous) stimulation. It enables voltages up to +/- 600 V to be produced at the output that will allow the psychophysiological performance associated with stimulation of the fingertip using various stimulation waveforms to be studied more thoroughly. The design has a transconductance of up to 20 mA/V, an 8.8-M Omega output resistance, and can provide output currents up to +/- 20 mA. A complete schematic diagram is presented along with a discussion of theory of operation and safety issues as well as performance and derating plots from the implemented design.

引用

页码：2433 / 2443

页数：11

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