In this work, a RF Energy harvester comprised of a differential RF-DC CMOS converter realized in ST130nm CMOS technology and a customized broadband PCB antenna with inductive coupling feeding is presented. Experimental results show that the system can work with different carrier frequencies and thanks to its reconfigurable architecture the proposed converter is able to provide a regulated output voltage of 2 V over a 14 dB of RF input power range. The conversion efficiency of the whole system peaks at 18% under normal outdoor working conditions.
Reconfigurable RF Energy Harvester with Customized Differential PCB Antenna / Bertacchini, Alessandro; Larcher, Luca; Maini, Moreno; Vincetti, Luca; Scorcioni, Stefano. - In: JOURNAL OF LOW POWER ELECTRONICS AND APPLICATIONS. - ISSN 2079-9268. - ELETTRONICO. - 5:4(2015), pp. 257-273. [10.3390/jlpea5040257]
Reconfigurable RF Energy Harvester with Customized Differential PCB Antenna
BERTACCHINI, Alessandro;LARCHER, Luca;MAINI, Moreno;VINCETTI, Luca;SCORCIONI, Stefano
2015-01-01
Abstract
In this work, a RF Energy harvester comprised of a differential RF-DC CMOS converter realized in ST130nm CMOS technology and a customized broadband PCB antenna with inductive coupling feeding is presented. Experimental results show that the system can work with different carrier frequencies and thanks to its reconfigurable architecture the proposed converter is able to provide a regulated output voltage of 2 V over a 14 dB of RF input power range. The conversion efficiency of the whole system peaks at 18% under normal outdoor working conditions.
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