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Design of RF Harvester with Different Matching Circuits

In this paper, an RF harvester along with a power conditioning unit is presented. The proposed solution is tuned to work at 2.42 GHz. RF harvested front-end is simulated, and its supporting back-end power conditioning unit is discussed in detail. The variation in the harvester's Gain, Directivity and Efficiency at different frequencies is analyzed. Different power conditioning units are proposed, and the best one for the proposed RF harvester is discussed in detail. The proposed low-cost solution is highly suitable for far-field RF power harvesting, especially for small portable gadgets.