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首页> 外文期刊>Microelectronics journal >A fully integrated analog front-end circuit for 13.56 MHz passive RFID tags in conformance with ISO/IEC 18000-3 protocol
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A fully integrated analog front-end circuit for 13.56 MHz passive RFID tags in conformance with ISO/IEC 18000-3 protocol

机译：完全集成的模拟前端电路，用于符合ISO / IEC 18000-3协议的13.56 MHz无源RFID标签

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摘要

A fully integrated analog front-end circuit for 13.56 MHz passive RFID tags is presented in this paper. The design of the RF analog front-end and digital control is based on ISO/IEC 18000-3 MODE 1 protocol. This paper mainly focuses on RF analog front-end circuits. In order to supply voltage for the whole tag chip, a high efficiency power management circuit with a rather wide input range is proposed by utilizing 15.5 V high voltage MOS transistors. Furthermore, a high sensitivity, low power consumption 10% ASK demodulator with a subthreshold-mode hysteresis comparator is introduced for reader-to-tag communication. The tag chip is fabricated in 0.18-μm 2-poly 5-metal mixed signal CMOS technology with EEPROM process. An on-chip 1 kb EEPROM is used to support tag identification, data writing and reading. The core size of the analog front-end is only 0.94 × 0.84 mm~2 with a power consumption of 0.42 mW. Measured results show that the power management circuit is able to maintain a proper working condition with an input antenna voltage range of 5.82-12.3 V; the maximum voltage conversion ratio of the rectifier reaches 65.92% when the tag antenna voltage is 9.42 V. Moreover, the power consumption of the 10% ASK demodulator is only 690.25 nW.
机译：本文介绍了一种用于13.56 MHz无源RFID标签的完全集成的模拟前端电路。射频模拟前端和数字控制的设计基于ISO / IEC 18000-3 MODE 1协议。本文主要关注RF模拟前端电路。为了为整个标签芯片提供电压，通过利用15.5 V高压MOS晶体管，提出了一种具有相当宽输入范围的高效电源管理电路。此外，还引入了具有亚阈值模式磁滞比较器的高灵敏度，低功耗10％ASK解调器，用于读取器与标签之间的通信。标签芯片采用0.18μm2聚5金属混合信号CMOS技术制造，并采用EEPROM工艺制造。片上1 kb EEPROM用于支持标签识别，数据写入和读取。模拟前端的核心尺寸仅为0.94×0.84 mm〜2，功耗为0.42 mW。测量结果表明，电源管理电路能够在5.82-12.3 V的输入天线电压范围内保持适当的工作状态；当标签天线电压为9.42 V时，整流器的最大电压转换率达到65.92％。此外，10％ASK解调器的功耗仅为690.25 nW。

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  • 来源
    《Microelectronics journal》 |2014年第6期|578-588|共11页
  • 作者

    Jian Zhang; Wei Zhang; Yanyan Liu;

  • 作者单位

    School of Electronic Information Engineering, Tianjin University, 92th Weijin Road, Tianjin 300072, China;

    School of Electronic Information Engineering, Tianjin University, 92th Weijin Road, Tianjin 300072, China;

    School of Electronic Information and Optical Engineering, Nankai University, 94th Weijin Road, Tianjin 300071, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    RFID tags; Analog front-end; Power management; ASK demodulator;

    机译：RFID标签;模拟前端;能源管理;ASK解调器;

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