A RF energy harvester comprised of an integrated differential RF-DC converter and a differential PCB custom antenna is presented for wireless powering applications in the UHF band. The RF-DC converter, based on a reconfigurable voltage rectifier directly connected to a matched PCB antenna, is designed for high efficiency and sensitivity. Prototypes of the RF-DC converter realized in CMOS 130nm technology show a -16dBm sensitivity and a 60% peak efficiency. The RF-DC converters operate within the -16dBm÷0dBm input power range with an efficiency which remains above the 40% for more than 10dB. The RF energy harvester operates on the 840MHz÷975MHz band thanks to the ad-hoc designed wide-band differential antenna.

An Integrated RF Energy Harvester for UHF Wireless Powering Applications / Scorcioni, Stefano; Larcher, Luca; Bertacchini, Alessandro; Vincetti, Luca; Maini, Moreno. - ELETTRONICO. - (2013), pp. 92-95. (Intervento presentato al convegno 2013 IEEE Wireless Power Transfer, WPT 2013 tenutosi a Perugia, Italy nel 15-16 May 2012) [10.1109/WPT.2013.6556890].

An Integrated RF Energy Harvester for UHF Wireless Powering Applications

SCORCIONI, Stefano;LARCHER, Luca;BERTACCHINI, Alessandro;VINCETTI, Luca;MAINI, Moreno
2013

Abstract

A RF energy harvester comprised of an integrated differential RF-DC converter and a differential PCB custom antenna is presented for wireless powering applications in the UHF band. The RF-DC converter, based on a reconfigurable voltage rectifier directly connected to a matched PCB antenna, is designed for high efficiency and sensitivity. Prototypes of the RF-DC converter realized in CMOS 130nm technology show a -16dBm sensitivity and a 60% peak efficiency. The RF-DC converters operate within the -16dBm÷0dBm input power range with an efficiency which remains above the 40% for more than 10dB. The RF energy harvester operates on the 840MHz÷975MHz band thanks to the ad-hoc designed wide-band differential antenna.
2013
2013 IEEE Wireless Power Transfer, WPT 2013
Perugia, Italy
15-16 May 2012
92
95
Scorcioni, Stefano; Larcher, Luca; Bertacchini, Alessandro; Vincetti, Luca; Maini, Moreno
An Integrated RF Energy Harvester for UHF Wireless Powering Applications / Scorcioni, Stefano; Larcher, Luca; Bertacchini, Alessandro; Vincetti, Luca; Maini, Moreno. - ELETTRONICO. - (2013), pp. 92-95. (Intervento presentato al convegno 2013 IEEE Wireless Power Transfer, WPT 2013 tenutosi a Perugia, Italy nel 15-16 May 2012) [10.1109/WPT.2013.6556890].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/970897
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