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Integrated Temperature Sensor for Reconfigurable Radio Frequency Synthesizer

Gaggatur, Javed S and Banerjee, Gaurab (2015) Integrated Temperature Sensor for Reconfigurable Radio Frequency Synthesizer. In: IEEE International Conference on Electronics Computing and Communication Technologies (CONECCT), JUL 10-11, 2015, Bangalore, INDIA.

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Official URL: http://dx.doi.org/10.1109/CONECCT.2015.7383924


Temperature variations significantly affect the performance and reliability of RF integrated circuits, which necessitates for thermal management in RF circuits. In this paper, an integrated analog temperature sensor (ATS) which operates with simple, low-cost one-point calibration is proposed. The temperature to voltage conversion is achieved in two steps i.e. temperature to frequency, followed by frequency to voltage conversion. The output voltage can be used to compensate the temperature dependent errors in the high frequency circuits, thereby reducing the performance degradation due to thermal gradient. The proposed ATS exhibits high sensitivity of 1.182 MHz/degrees C to temperature in the range of -20 degrees C to 120 degrees C. The errors due to supply and process variations after one-point calibration are within +/- 0.015 degrees C. The integrated sensor was implemented in the 0.13 mu m CMOS process. It occupies a core area of 0.0076 mm(2) while consuming 756 mu W from a 1.2 V supply.

Item Type: Conference Proceedings
Additional Information: Copy right for this article belongs to the IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 08 Oct 2016 07:30
Last Modified: 08 Oct 2016 07:30
URI: http://eprints.iisc.ac.in/id/eprint/54972

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