用于多电极传感器阵列实时安培测量的便携式多通道电位器

2016 IEEE International Symposium on Circuits and Systems (ISCAS) Pub Date : 2016-05-22 DOI:10.1109/ISCAS.2016.7527488

Yaoxing Hu, Sanjiv Sharma, J. Weatherwax, A. Cass, P. Georgiou

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引用次数: 7

摘要

本文提出了一种结构紧凑、可扩展的多通道恒电位器结构设计。利用混合多路复用技术，该系统能够驱动具有少量读出通道的大尺寸多电极阵列结构。采用离散元件将具有80电极容量的5通道恒电位器制作成可携带的8.382×9.906 cm2 PCB原型。它具有126dB的动态电流范围和3.3V单电源工作。在MATLAB图形用户界面的控制下，该系统实现了实时数据采集，并在电化学验证的基础上实现了与商用恒电位器相似的性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A portable multi-channel potentiostat for real-time amperometric measurement of multi-electrode sensor arrays

This paper presents a compact and scalable architecture design of a multi-channel potentiostat. Utilizing a hybrid-multiplexed technique, the system is capable of driving multi-electrode array structures of large sizes with few readout channels. A 5-channel potentiostat with 80-electrode capability was fabricated into a portable 8.382×9.906 cm2 PCB prototype using discrete components. It features a dynamic current range of 126dB and 3.3V single-supply operation. Controlled by a MATLAB graphical user interface, the system demonstrates realtime data acquisition and achieves similar performance to a commercial potentiostat based on electrochemical validation.

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2016 IEEE International Symposium on Circuits and Systems (ISCAS)

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