一个5.1-/spl mu/W的超高频RFID标签芯片，集成传感器，用于无线环境监测

Proceedings of the 31st European Solid-State Circuits Conference, 2005. ESSCIRC 2005. Pub Date : 2005-12-05 DOI:10.1109/ESSCIR.2005.1541614

Namjun Cho, Seong-Jun Song, Sunyoung Kim, Shiho Kim, H. Yoo

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引用次数: 184

摘要

设计并制造了一种具有温度和光传感器的射频功率转发器，用于环境监测。转发器从外部ISM (860-960MHz)频段射频信号收集能量，并感知环境温度和光线。它包含一个电源电压发生器，一个温度补偿环振荡器，一个过采样同步器，一个PTAT温度传感器和一个突变缓冲光传感器。在1.5 v电源电压和90/spl℃温度变化下，其内部时钟频率变化小于7%。该应答器采用0.25-/spl mu/m的CMOS工艺，占用0.4mm/sup / m2，在工作状态下功耗仅为5.14-/spl mu/W。

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A 5.1-/spl mu/W UHF RFID tag chip integrated with sensors for wireless environmental monitoring

An RF-powered transponder with temperature and photo sensors is designed and fabricated for environmental monitoring. The transponder gathers power from external ISM (860-960MHz) band RF signal and senses ambient temperature and light. It contains a supply voltage generator, a temperature-compensated ring oscillator, an oversampling synchronizer, a PTAT temperature sensor and an abrupt transition buffered photo sensor. Its internal clock frequency has variation less than 7% for 1.5-V supply voltage and 90/spl deg/C temperature change. The transponder occupies 0.4mm/sup 2/ with 0.25-/spl mu/m CMOS process and dissipates only 5.14-/spl mu/W during active state.

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Proceedings of the 31st European Solid-State Circuits Conference, 2005. ESSCIRC 2005.

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