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RFID Radio Circuit Design in CMOS

Authored on: Jun 18, 2007 by ZhaoYin Daniel Wu et al

Technical Paper

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This white paper describes a reference design with circuits and an antenna for a UHF RFID system. A new Class 2 (Gen 2) tag was designed, including the extremely low-power integrated circuit integrated with an inexpensive printed antenna. Details on the design of the rectifier, power regulator, demodulator, reset circuit, modulator, and antenna are highlighted. The paper includes a system-level software verification of the RFID tag system to determine proper voltage regulation and signal demodulation.

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