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
收藏
页码：2433 / 2443
页数：11
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