A Triple-Band Passive RFID Tag

This paper presents a broadband analog interface in 0.12 mum CMOS without a Schottky Diode process-option, which powers the chip from 1MHz to 2.45GHz and communicates with EPC UHF and HF. To profit from the application benifit of both13.5613MHz HF RFID systems used in identification and 860 to 960MHz UHF RFID systems used in supply chain applications, two frequency selective tags or one broadband chip with one antenna are necessary.

[1]  J. Gaubert,et al.  Standard CMOS voltage multipliers architectures for UHF RFID applications : study and implementation , 2007, 2007 IEEE International Conference on RFID.

[2]  Y. Fujita,et al.  A 950 MHz rectifier circuit for sensor networks with 10 m-distance , 2005, ISSCC. 2005 IEEE International Digest of Technical Papers. Solid-State Circuits Conference, 2005..

[3]  Yoshida Hiroshi,et al.  A 950MHz Rectifier Circuit for Sensor Networks with 10m Distance , 2005 .

[4]  Shoichi Masui,et al.  A Passive UHF RFID Tag LSI with 36.6% Efficiency CMOS-Only Rectifier and Current-Mode Demodulator in 0.35/spl mu/m FeRAM Technology , 2006, 2006 IEEE International Solid State Circuits Conference - Digest of Technical Papers.