Energy Supply and ULP Detection Circuits for an RFID Localization System in 130 nm CMOS

De Roover C.; Steyaert M. S. J.

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Energy Supply and ULP Detection Circuits for an RFID Localization System in 130 nm CMOS

机译：Energy Supply and ULP Detection Circuits for an RFID Localization System in 130 nm CMOS

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摘要

This paper presents both an integrated energy supply and detection circuits for an RFID localization system. The equations to calculate the expected AC antenna voltage are presented as well as a fast method to calculate the expected output voltage from a rectifier. An ultra low power voltage detection circuit is described which monitors the output voltage of the rectifier and consumes only 3 nW. Also the input of the rectifier is monitored by an input power dip detection circuit, which provides a pulse whenever the amplitude of the AC antenna signal drops to zero. This circuit too, is ultra low power and consumes only 5 nW from a 0.5 V supply. It can even serve as an OOK demodulator for bitrates up to 6.7 kbps. All circuits have been designed in a 130 nm CMOS process. Measurement results are presented for all circuits.

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《IEEE Journal of Solid-State Circuits》 |2010年第7期|共13页
作者
De Roover C.; Steyaert M. S. J.;
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authorLink("De Roover, C.");

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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
正文语种英语
中图分类 NULL;
关键词
130 nm; CMOS analog integrated circuits; RFID; TAG; detection circuits; integrated antenna; rectifier; sensor networks; ultra low power; voltage detection;

Energy Supply and ULP Detection Circuits for an RFID Localization System in 130 nm CMOS

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