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Ultra-low-power RADFET sensing circuit for wireless sensor networks powered by energy harvesting

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Publication date5/01/2017
Host publicationIEEE Sensors, SENSORS 2016 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Number of pages3
ISBN (electronic)9781479982875
<mark>Original language</mark>English
Event15th IEEE Sensors Conference, SENSORS 2016 - Orlando, United States
Duration: 30/10/20162/11/2016

Conference

Conference15th IEEE Sensors Conference, SENSORS 2016
Country/TerritoryUnited States
CityOrlando
Period30/10/162/11/16

Publication series

NameProceedings of IEEE Sensors
ISSN (Print)1930-0395
ISSN (electronic)2168-9229

Conference

Conference15th IEEE Sensors Conference, SENSORS 2016
Country/TerritoryUnited States
CityOrlando
Period30/10/162/11/16

Abstract

We evaluate an ultra-low-power radiation-sensing circuit based on a radiation sensitive MOSFET (RADFET) for use in Wireless Sensor Networks (WSN) powered by energy harvesting with a special focus on airborne applications. We estimate a worst-case energy budget below 10 μJ per readout cycle superimposed on a constant worst-case power budget below 10 μW. The sensor circuit operates successfully with a wireless sensor node powered by a piezoelectric harvester and power management unit which is able to provide up to 2.5 mW at 10 Hz, 600 μϵ in emulated flight mode.