A low power oscillator based temperature sensor for RFID applications

Saqib Mohamad, Fang Tang, Abbes Amira, Amine Bermak, Mohieddine Benammar

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this paper we present a temperature sensor based on a ring oscillator. The ring oscillator uses the CMOS thyristor delay element and has an extremely low power consumption of about 47nW at room temperature with a supply of 0.5V. Low power operation is achieved by eliminating the use of power hungry analog to digital converters (ADCs) at the sensor output. As shown the frequency increases linearly with temperature. The error in temperature sensing is around -1.8°C / +1°C with a resolution of 0.3°C. Simulation is carried out with Chartered Semiconductor's 0.18μm technology. Owing to the extremely low power consumption, integration with a radio-frequency identification (RFID) tag is also possible.
Original languageEnglish
Title of host publication5th Asia Symposium on Quality Electronic Design (ASQED), 2013
PublisherIEEE
Pages50-54
Number of pages5
ISBN (Print)978-1-4799-1312-1
DOIs
Publication statusPublished - Aug 2013

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Temperature sensors
Radio frequency identification (RFID)
Electric power utilization
Digital to analog conversion
Thyristors
Temperature
Semiconductor materials
Sensors

Cite this

Mohamad, S., Tang, F., Amira, A., Bermak, A., & Benammar, M. (2013). A low power oscillator based temperature sensor for RFID applications. In 5th Asia Symposium on Quality Electronic Design (ASQED), 2013 (pp. 50-54). IEEE. https://doi.org/10.1109/ASQED.2013.6643563
Mohamad, Saqib ; Tang, Fang ; Amira, Abbes ; Bermak, Amine ; Benammar, Mohieddine. / A low power oscillator based temperature sensor for RFID applications. 5th Asia Symposium on Quality Electronic Design (ASQED), 2013 . IEEE, 2013. pp. 50-54
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abstract = "In this paper we present a temperature sensor based on a ring oscillator. The ring oscillator uses the CMOS thyristor delay element and has an extremely low power consumption of about 47nW at room temperature with a supply of 0.5V. Low power operation is achieved by eliminating the use of power hungry analog to digital converters (ADCs) at the sensor output. As shown the frequency increases linearly with temperature. The error in temperature sensing is around -1.8°C / +1°C with a resolution of 0.3°C. Simulation is carried out with Chartered Semiconductor's 0.18μm technology. Owing to the extremely low power consumption, integration with a radio-frequency identification (RFID) tag is also possible.",
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Mohamad, S, Tang, F, Amira, A, Bermak, A & Benammar, M 2013, A low power oscillator based temperature sensor for RFID applications. in 5th Asia Symposium on Quality Electronic Design (ASQED), 2013 . IEEE, pp. 50-54. https://doi.org/10.1109/ASQED.2013.6643563

A low power oscillator based temperature sensor for RFID applications. / Mohamad, Saqib; Tang, Fang; Amira, Abbes; Bermak, Amine; Benammar, Mohieddine.

5th Asia Symposium on Quality Electronic Design (ASQED), 2013 . IEEE, 2013. p. 50-54.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - In this paper we present a temperature sensor based on a ring oscillator. The ring oscillator uses the CMOS thyristor delay element and has an extremely low power consumption of about 47nW at room temperature with a supply of 0.5V. Low power operation is achieved by eliminating the use of power hungry analog to digital converters (ADCs) at the sensor output. As shown the frequency increases linearly with temperature. The error in temperature sensing is around -1.8°C / +1°C with a resolution of 0.3°C. Simulation is carried out with Chartered Semiconductor's 0.18μm technology. Owing to the extremely low power consumption, integration with a radio-frequency identification (RFID) tag is also possible.

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Mohamad S, Tang F, Amira A, Bermak A, Benammar M. A low power oscillator based temperature sensor for RFID applications. In 5th Asia Symposium on Quality Electronic Design (ASQED), 2013 . IEEE. 2013. p. 50-54 https://doi.org/10.1109/ASQED.2013.6643563