A Simple High-Efficiency Rectifier for Low Power Harvesting

This paper reports a simple rectifier featuring a relatively high efficiency in connection with low input power. The measured RF-DC conversion efficiency reaches 30% at -20 dBm input power level, which, to the best knowledge of the authors, represents the highest record among all the reported works...

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Bibliographic Details
Main Authors: Guo, Tongfeng, Zhang, Qingfeng, Wu, Ke
Format: Conference Proceeding
Language:English
Subjects:
conversion efficiency
Energy harvesting
Microstrip
Microwave circuits
Rectennas
rectifying circuit
Rectifying circuits
Schottky diodes
Wireless energy harvesting
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Summary:This paper reports a simple rectifier featuring a relatively high efficiency in connection with low input power. The measured RF-DC conversion efficiency reaches 30% at -20 dBm input power level, which, to the best knowledge of the authors, represents the highest record among all the reported works so far for this power range. The Bode-Fano criterion is employed to achieve the high energy conversion efficiency. Such rectifiers are especially useful for wire-less energy harvesting.
ISSN:2573-7651
DOI:10.1109/WPT.2018.8639308