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首页> 外文期刊>Microelectronics journal >Full passive UHF RFID Tag with an ultra-low power, small area, high resolution temperature sensor suitable for environment monitoring
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Full passive UHF RFID Tag with an ultra-low power, small area, high resolution temperature sensor suitable for environment monitoring

机译：全无源UHF RFID标签，具有超低功耗，小面积，高分辨率温度传感器，适用于环境监测

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摘要

An UHF RFID Tag with an ultra-low power, small area, high resolution temperature sensor which adopted double voltage-controlled oscillators (VCO) has been designed and implemented using the SMIC CMOS 0.18 μm EEPROM 2P4M process. The core area of the tag (excluding the test bounding pad) is only 756 × 967 μm~2. The power-optimized tag allows a communication range of more than 6 m from a 1 W effective radiated output power reader. The sensor features independence of process, supply voltage and bias current variation for the double VCO structure. The area of the sensor is only 109 × 47 μm~2 (excluding the counter circuit) and the power consumption of the sensor is less than 600 nW. The performance of the sensor is highly linear and the predicted temperature error is merely ± 1.5 ℃ using one-point calibration within the range of -40 to 85 ℃. These properties allow the use of the RFID as a batteryless sensor in a wireless environment temperature monitoring system.
机译：使用SMIC CMOS 0.18μmEEPROM 2P4M工艺设计并实现了具有超低功耗，小面积，高分辨率温度传感器的UHF RFID标签，该传感器采用了双压控振荡器（VCO）。标签的核心区域（不包括测试边界垫）仅为756×967μm〜2。功率优化标签允许1 W有效辐射输出功率读取器的通信距离超过6 m。该传感器具有双VCO结构的工艺，电源电压和偏置电流变化的独立性。传感器的面积仅为109×47μm〜2（不包括计数器电路），传感器的功耗小于600 nW。传感器的性能是高度线性的，并且在-40至85℃的范围内使用单点校准，预测的温度误差仅为±1.5℃。这些特性允许在无线环境温度监控系统中将RFID用作无电池传感器。

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  • 来源
    《Microelectronics journal》 |2014年第1期|126-131|共6页
  • 作者

    Zengwei Qi; Yiqi Zhuang; Xiaoming Li; Weifeng Liu; Yongqian Du; Bo Wang;

  • 作者单位

    Xidian University, Room 503 Xinkeji Building, No.2 Taibai South Road, Xi'an, Shannxi 710071, PR China;

    Xidian University, 2 South Taibai Road, Xian, Shaanxi 710071, PR China;

    Xidian University, 2 South Taibai Road, Xian, Shaanxi 710071, PR China;

    Xidian University, 2 South Taibai Road, Xian, Shaanxi 710071, PR China;

    Xidian University, 2 South Taibai Road, Xian, Shaanxi 710071, PR China;

    Xidian University, 2 South Taibai Road, Xian, Shaanxi 710071, PR 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; Temperature sensor; Double VCO structure; Temperature coefficient;

    机译：RFID;温度感应器;双VCO结构;温度系数;

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