A 0.4-1.4V 24MHz fully integrated 33µW, 104ppm/V supply-independent oscillator for RFIDs

Author

De Smedt, Valentijn ; Dehaene, Wim ; Gielen, Georges

Author_Institution

Dept. Elektrotechniek, Katholieke Univ. Leuven, Heverlee, Belgium

fYear

2009

fDate

14-18 Sept. 2009

Firstpage

396

Lastpage

399

Abstract

In RFID-tags with pulse-based UWB communication, accurate supply-independent low-power oscillators are required. The 24 MHz oscillator presented was realized in a 130 nm CMOS technology. It has an ultra-low supply voltage dependency of 104 ppm/V over a voltage range of 1.4 V to 0.4 V. This was achieved by the use of two nested ultra-low-power voltage regulators and a novel circuit technique based on the attraction of two oscillator frequencies. The mean power consumption is 33 muW over the 1 V voltage span. No external biasing and no trimming or calibration was used.

Keywords

CMOS integrated circuits; low-power electronics; radiofrequency identification; radiofrequency oscillators; ultra wideband communication; voltage regulators; CMOS technology; RFID-tags; frequency 24 MHz; power 33 muW; pulse-based UWB communication; radiofrequency identification; size 130 nm; supply-independent low-power oscillator; ultra-low-power voltage regulator; voltage 0.4 V to 1.4 V; CMOS technology; Calibration; Energy consumption; Frequency; Integrated circuit technology; Radiofrequency identification; Regulators; Ultra wideband communication; Voltage; Voltage-controlled oscillators;

fLanguage

English

Publisher

ieee

Conference_Titel

ESSCIRC, 2009. ESSCIRC '09. Proceedings of

Conference_Location

Athens

ISSN

1930-8833

Print_ISBN

978-1-4244-4354-3

Type

conf

DOI

10.1109/ESSCIRC.2009.5325966

Filename

5325966