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Design and analysis of a low power passive UHF RFID transponder IC

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Abstract

This paper presents a low power passive UHF RFID transponder IC, which is compatible with ISO/IEC 18000-6B Standard, operating at the 915 MHz ISM band with the total supply current consumption less than 10 μA. The fully integrated passive transponder, whose reading distance more than 3 m at 4 W (36 dBm) EIRP with an antenna gain less than 1.5 dBi, is powered by the received RF energy. There are no external components, except for the antenna. The transponder IC includes matching network, rectifier, regulator, power on reset circuit, local oscillator, bandgap reference, AM demodulator, backscatter, control logic and memory. The IC is fabricated using Chartered 0.35 μm two-poly four-metal CMOS process with Schottky diodes and EEPROM supported. The die size is 1.5 mm × 1.0 mm.

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Acknowledgments

The authors would like to thank Xuan Zheng and Liyuan Ma for their help in the process of design and measurements.

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Authors and Affiliations

  1. School of Electronic and Information Engineering, Tianjin University, Tianjin, 300072, China

    Li-Ying Chen, Lu-Hong Mao & Xiao-Zong Huang

  2. Institute of Microelectronics, Nankai University, Tianjin, 300457, China

    Li-Ying Chen

Authors
  1. Li-Ying Chen
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  2. Lu-Hong Mao
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  3. Xiao-Zong Huang
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Corresponding author

Correspondence to Li-Ying Chen.

Additional information

L.-Y. Chen is supported by the National High Technology Research and Development Program of China (No. 2008AA04A102).

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Chen, LY., Mao, LH. & Huang, XZ. Design and analysis of a low power passive UHF RFID transponder IC. Analog Integr Circ Sig Process 66, 61–66 (2011). https://doi.org/10.1007/s10470-010-9521-5

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  • DOI: https://doi.org/10.1007/s10470-010-9521-5

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