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http://hdl.handle.net/10553/47598
| Título: | A low power CMOS temperature-to-frequency converter for RFID applications | Autores/as: | Bistue, Guillermo Solar, Hector Fernandez, Erik Lujan-Martinez, Clara Del Pino, Javier Alvarado, Unai |
Clasificación UNESCO: | 3307 Tecnología electrónica | Palabras clave: | RF circuits CMOS temperature sensor RFID low power circuits |
Fecha de publicación: | 2014 | Publicación seriada: | Proceedings of the 2014 29th Conference on Design of Circuits and Integrated Systems, DCIS 2014 | Conferencia: | 2014 29th Conference on Design of Circuits and Integrated Systems, DCIS 2014 | Resumen: | This paper presents the design of a low power temperature sensor based on temperature-to-frequency conversion for RFID applications. The variation of temperature is detected by a PTC resistor that determines the reference current of a bootstrapped cascode source. This current is used to bias an active inductor. The self-resonance frequency varies accordingly to the shift of the current, thus providing the temperature to frequency conversion. The circuit has been implemented using a standard 65 nm CMOS technology. A frequency of oscillation of 31.3 MHz at 20°C has been obtained, with an estimated sensitivity of 50.5 kHz/°C, a resolution of 0.12°C and a power consumption of 21.8 uW within the 0-80°C temperature range. | URI: | http://hdl.handle.net/10553/47598 | ISBN: | 9781479957439 | DOI: | 10.1109/DCIS.2014.7035580 | Fuente: | Proceedings of the 2014 29th Conference on Design of Circuits and Integrated Systems, DCIS 2014 (7035580) |
| Colección: | Actas de congresos |
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