SELF-HEATING COMPENSATION IN TEMPERATURE SENSOR RFID TRANSPONDERS

被引：0

作者：

Straus, Darko ^{[1
]}

Kovacic, Kosta ^{[1
]}

机构：

[1] IDS DOO, Ljubljana 1000, Slovenia

来源：

INFORMACIJE MIDEM-JOURNAL OF MICROELECTRONICS ELECTRONIC COMPONENTS AND MATERIALS | 2010年 / 40卷 / 02期

关键词：

RFID; data logger; voltage limiter; Smart Active Label;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this article we present the analysis and compensation of self-heating in a passive temperature sensor RFID transponder. The problem of heating due to the operation of the integrated voltage limiter can be observed in most RFID transponders. In temperature sensor RFID transponders this causes errors in the measured temperature, as the integrated sensor measures the IC temperature which is higher due to the operation of the voltage limiter. We propose a new algorithm of self-heating compensation with the use of an analogue to digital converter in the RE analogue front-end that measures the current level in the voltage limiter. The interrogator uses this value in the compensation equation that is presented in this paper.

引用

页码：144 / 150

页数：7

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