用于无源UHF RFID压力传感器标签的0.6V和0.53µW nonius TDC

2012 IEEE International Conference on RFID-Technologies and Applications (RFID-TA) Pub Date : 2012-11-01 DOI:10.1109/RFID-TA.2012.6404516

A. Jimenez-Irastorza, A. Beriain, J. F. Sevillano, I. Rebollo, R. Berenguer

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引用次数: 6

摘要

这项工作提出了一个全无源超高频RFID压力传感器标签，它使用基于非ius的TDC电容式传感器接口。所提出的转换器具有全数字输出，可以在保持所需分辨率的同时降低功耗。基于nonius的TDC采用台积电90nm标准CMOS技术设计。布局后仿真结果表明，当VDD在0.55 ~ 0.7V范围内变化，温度在0 ~ 60℃范围内变化时，该变换器在10 ~ 40μs范围内具有12位分辨率和9位有效位。最大测量时间为49.9μs，在0.6V电压下每秒10个采样时，转换器的平均功耗为0.53μW。

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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A 0.6V and 0.53µW nonius TDC for a passive UHF RFID pressure sensor tag

This work presents a full passive UHF RFID pressure sensor tag which uses a nonius based TDC capacitive sensor interface. The proposed converter has a fully digital output and allows reducing power consumption while maintaining the required resolution. The nonius based TDC has been designed using TSMC 90nm standard CMOS technology. Post-layout simulations show that the converter presents a 12 bit resolution and 9 effective bits in the time range from 10μs to 40μs when VDD varies in the range from 0.55V to 0.7V and temperature variations in the range from 0°C to 60°C are considered. The maximum measurement time is 49.9μs and the average power consumption of the converter is 0.53μW at 10 samples per second from a 0.6V voltage supply.

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2012 IEEE International Conference on RFID-Technologies and Applications (RFID-TA)

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