用于电容式传感器应用的无源超高频RFID标签的远程供电链路

2013 IEEE 20th International Conference on Electronics, Circuits, and Systems (ICECS) Pub Date : 2013-12-01 DOI:10.1109/ICECS.2013.6815541

Kerem Kapucu, C. Dehollain

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引用次数: 6

摘要

这项工作讨论了用于传感器应用的无源超高频RFID标签的远程供电链路。介绍了基站天线、标签天线和整流器的设计、实现和测量。基站天线为50 Ω矩形贴片天线，测量远场增益为3.6 dBi。所述标签天线为与标签芯片阻抗匹配的电感耦合弯曲偶极子天线。测得标签天线远场增益为1.2 dBi。在距离基站1.5米的地方，三相差分输入整流器可向5 kΩ负载提供1 mW的功率，功率转换效率为65%。整流器采用0.18 μm UMC CMOS工艺。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Remote powering link for a passive UHF RFID tag for capacitive sensor applications

This work discusses the remote powering link of a passive UHF RFID tag for sensor applications. The design, implementation, and measurements of the base-station antenna, tag antenna, and the rectifier are presented. The base-station antenna is a 50 Ω rectangular patch antenna with a measured far-field gain of 3.6 dBi. The tag antenna is an inductively coupled meandered dipole antenna impedance matched to the tag chip. The measured far-field gain of the tag antenna is 1.2 dBi. The three-stage, differential-input rectifier is measured to deliver 1 mW to a 5 kΩ load with a power conversion efficiency of 65% at a distance of 1.5 meters from the base station. The rectifier is implemented in 0.18 μm UMC CMOS process.

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来源期刊

2013 IEEE 20th International Conference on Electronics, Circuits, and Systems (ICECS)

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