A New Configurable Wireless Sensor System for Biomedical Applications with ISO 18000-3 Interface in 0.35 µm CMOS

Sensors

Rainer Kokozinski¹  Alexander Stanitzki²  Andreas Hennig²  Norbert Haas²  Tatjana Fedtschenko²  Alexander Utz²  Andre Lüdecke² 

[1] Department of Electronic Components and Circuits, University of Duisburg-Essen, 47057 Duisburg, Germany;Fraunhofer IMS, 47057 Duisburg, Germany;

关键词: biosensor;    potentiostat;    amperometry;    wireless;    RFID;    NFC;    13.56 MHz;    ISO 18000-3;   

DOI  :  10.3390/s19194110

来源: DOAJ

【 摘 要 】

This article presents a new configurable wireless sensor system. The system is used to perform amperometric measurements and send the measurement data to a handheld reader using a wireless transponder interface. The two-chip sensor system was implemented in a 0.35 μm CMOS technology. The system consists of an integrated nano-potentiostat that performs the actual measurements and an ISO 18000-3 compliant frontend that enables wireless telemetric data transmission and powering of the entire sensor system. The system was manufactured in combination with a chronoamperometric glucose sensor which allows the measurement of the glucose content in tear fluid and thus a non-invasive determination of the blood sugar level. For a range of sensor currents from 0.1 μA to 10 μA, the potentiostat achieved an accuracy of better than 5 % with a total power dissipation of less than 600 μW. With the realized antenna geometry a wireless communication distance of more than 7 cm has been achieved.

【 授权许可】

Unknown