Journal
IEEE MICROWAVE AND WIRELESS TECHNOLOGY LETTERS
Volume 33, Issue 1, Pages 78-81Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LMWC.2022.3202760
Keywords
Class-F rectifier; high efficiency; impedance matching; multiharmonic control; wireless power transfer (WPT)
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This letter presents a compact and high-efficiency Class-F rectifier with a novel multiharmonic termination network. The implemented rectifier achieves superior power conversion efficiency and compactness.
This letter presents the compact and high-efficiency Class-F rectifier with a novel multiharmonic termination network for wireless power transfer (WPT). This network deploys only four transmission lines (TLINs), which allows harmonic control up to the sixth order and provide fundamental input impedance Zs-5on matching, simultaneously; enabling an efficient Class-F behavior. The implemented rectifier exhibits a superior power conversion efficiency of 82.2% at 2.4 GHz for an input power level of 15 dBm, and has a size of 0.24 lambda x 0.16 lambda, indicating clear advantages in high power conversion efficiency (PCE) and compactness over the other designs.
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