A remotely powered multi frequency RFID sensing tag with integrated impedance measurement interface

This paper presents a remotely powered sensing tag for biomedical applications. Energy is transfered by an EM-field to a dual frequency band antenna and fed to an analog front end. The AC voltage resulting on the antenna gets rectified, pumped to 3.3V and stored in an 2.2μF buffer capacitor. When th...

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Hauptverfasser:	Wiessflecker, Martin, Hofer, Gunter, Reinisch, Hannes, Gruber, Stefan, Holweg, Gerald, Pachler, Walther, Klamminger, Michael, Pribyl, Wolfgang
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Capacitors Current measurement Frequency measurement Impedance measurement Semiconductor device measurement Voltage control Voltage measurement
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creator	Wiessflecker, Martin Hofer, Gunter Reinisch, Hannes Gruber, Stefan Holweg, Gerald Pachler, Walther Klamminger, Michael Pribyl, Wolfgang
description	This paper presents a remotely powered sensing tag for biomedical applications. Energy is transfered by an EM-field to a dual frequency band antenna and fed to an analog front end. The AC voltage resulting on the antenna gets rectified, pumped to 3.3V and stored in an 2.2μF buffer capacitor. When the buffer capacitor is full a measurement with an integrated impedance measurement circuit can be processed while the RFID field is deactivated to get a noise reduced measurement sample. The circuit is developed in a 130nm CMOS technology and occupies an active area of 2.3mm 2 .
doi_str_mv	10.1109/ISCAS.2013.6572240
format	Conference Proceeding
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subjects	Capacitors Current measurement Frequency measurement Impedance measurement Semiconductor device measurement Voltage control Voltage measurement
title	A remotely powered multi frequency RFID sensing tag with integrated impedance measurement interface
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