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  • Title: Impedance Matching Antenna-Integrated High-Efficiency Energy Harvesting Circuit.
    Author: Shinki Y, Shibata K, Mansour M, Kanaya H.
    Journal: Sensors (Basel); 2017 Aug 01; 17(8):. PubMed ID: 28763043.
    Abstract:
    This paper describes the design of a high-efficiency energy harvesting circuit with an integrated antenna. The circuit is composed of series resonance and boost rectifier circuits for converting radio frequency power into boosted direct current (DC) voltage. The measured output DC voltage is 5.67 V for an input of 100 mV at 900 MHz. Antenna input impedance matching is optimized for greater efficiency and miniaturization. The measured efficiency of this antenna-integrated energy harvester is 60% for -4.85 dBm input power and a load resistance equal to 20 kΩ at 905 MHz.
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