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Journal of Zhejiang University-SCIENCE A

, Volume 7, Issue 10, pp 1765–1771 | Cite as

An analog front-end circuit for ISO/IEC 15693-compatible RFID transponder IC

  • Liu Dong-sheng 
  • Zou Xue-cheng 
  • Yang Qiu-ping 
  • Xiong Ting-wen 
Article

Abstract

The 13.56 MHz analog front-end circuit for ISO/IEC 15693-compatible radio frequency identification (RFID) transponder IC presented in this paper converts RF power to DC and extracts clock and data from the interrogator by 10% or 100% ASK modulation. The transponder sends data back to the interrogator by load modulation technology. The electrostatic discharge (ESD) protection circuits function to limit RF voltage to a safe level. An inductive coupling simulation modelling for 13.56 MHz RFID system is presented, with simulation results showing that the transponder operates over a wide range of electromagnetic field strength from Hmin (150 mA/m) to Hmax (5 A/m). The transponder IC is implemented in SMIC 0.35-μm three-metal two-poly mixed signal CMOS technology with embedded EEPROM.

Key words

Radio frequency identification (RFID) ISO/IEC 15693 Transponder IC Analog front-end 

CLC number

TN4 

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References

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Copyright information

© Zhejiang University 2006

Authors and Affiliations

  • Liu Dong-sheng 
    • 1
  • Zou Xue-cheng 
    • 1
  • Yang Qiu-ping 
    • 1
  • Xiong Ting-wen 
    • 1
  1. 1.Department of Electronic Science & TechnologyHuazhong University of Science & TechnologyWuhanChina

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