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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2006, Vol. 7 Issue (10): 20-    DOI: 10.1631/jzus.2006.A1765
    
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
Department of Electronic Science & Technology, Huazhong University of Science & Technology, Wuhan 430074, China
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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     
Received: 16 March 2006     
CLC:  TN4  
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LIU Dong-sheng
ZOU Xue-cheng
YANG Qiu-ping
XIONG Ting-wen
Cite this article:

LIU Dong-sheng, ZOU Xue-cheng, YANG Qiu-ping, XIONG Ting-wen. An analog front-end circuit for ISO/IEC 15693-compatible RFID transponder IC. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2006, 7(10): 20-.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2006.A1765     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2006/V7/I10/20

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