Abstract:Real-time monitoring solution is essential for the perishable food to estimate the food quality and to predict its shelf life. In this paper an on-chip temperature sensor which is applicable for UHF RFID passive tag is proposed. MOSFET is used as the sensitive element to the temperature. Since the transistors are biased in sub-threshold region, the power consumption is decreased. To converting proportional-to-absolute-temperature (PTAT) and complimentary-to-absolute-temperature (CTAT) voltages to the digital c… Show more
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