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Impedance Estimation Read-out System for Biomedical Sensors

Abstract— An impedance estimation read-out system for biomedical sensors to detect cancer biomarkers using TSMC 0.18 μm mixed signal CMOS process is proposed in this investigation. Without disadvantages such as long detection time, and high cost of conventional methods, this system integrates bio-electrical impedance analysis (BIA) technique with a read-out system is a solution of high accuracy of the least impedance (< 0.292 %) and phase error (< 0.1 %) in the widest frequency range (10 Hz – 2 MHz).

Index Terms— impedance estimation, biomedical sensor, read-out system, BIA, tumor marker, ELISA, RIA.

Guan-Ru Chen, Tsung-Yi Tsai, I-Yu Huang, Chua-Chin Wang
Department of Electrical Engineering, National Sun Yat-Sen University,, TAIWAN
Yu-Cheng Lin
Department of Engineering Science, National Cheng Kung University,TAIWAN

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Cite: Guan-Ru Chen, Tsung-Yi Tsai, I-Yu Huang, Yu-Cheng Lin, Chua-Chin Wang, "Impedance Estimation Read-out System for Biomedical Sensors," Proceedings of 2018 the 8th International Workshop on Computer Science and Engineering, pp. 206-210, Bangkok, 28-30 June, 2018.