Abstract:In this work, the threshold voltage cancellation scheme for the RF-to-DC converter used in RF energy harvesting is presented. The proposed scheme reduces the threshold voltage of PMOS transistor used in CMOS rectifier with the use of additional CMOS components. The performance of the proposed scheme is evaluated against the conventional CMOS rectifier in terms of the power conversion efficiency (PCE). Measurements were done at 433 MHz RF frequency for resistive load values ranging from 1 to 120 KX. The measure… Show more
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