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A 2.45 GHz remotely powered RFID system

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4 Author(s)
Curty, J.-P. ; Lab. d''Electronique Gen., Ecole Polytechnique Federale de Lausanne, Switzerland ; Joehl, N. ; Dehollaini, C. ; Declereq, M.

This paper presents a fully integrated remotely powered and addressable radio frequency identification (RFID) transponder working at 2.45 GHz. The achieved operating range at 4 W effective isotropically radiated power (EIRP) base-station transmit power is 12 m. The integrated circuit (IC) is implemented in a 0.5 μm silicon-on-sapphire technology. A state of the art rectifier design achieving 37% of global efficiency is embedded to supply energy to the transponder. The necessary input power to operate the transponder is about 2.7 μW.

Published in:

Research in Microelectronics and Electronics, 2005 PhD  (Volume:1 )

Date of Conference:

25-28 July 2005

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