Energy harvesting circuit with high RF-to-DC conversion efficiency

Alibakhshikenari, Mohammad, Virdee, Bal Singh, See, Chan, Abd-Alhameed, Raed, Falcone, Francisco and Limiti, Ernesto (2020) Energy harvesting circuit with high RF-to-DC conversion efficiency. In: 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting in Montréal, 5-10 July 2020, Montréal, Québec, Canada. (In Press)

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Abstract / Description

This paper presents an energy harvesting circuit for high efficiency performance. The proposed circuit consists of an RLC shunt resonance circuit integrated to an RF antenna. The resonance circuit is used to (i) selectively pick the desired signal whose output is fed to a Cockcroft–Walton voltage multiplier circuit; and (ii) match the impedance of the antenna with the Cockcroft–Walton voltage multiplier circuit for optimum power (DC) transfer. The proposed circuit exhibits an efficiency of 68% for an input power of 200 microwatts.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: antenna, energy harvesting circuit, radio frequency (RF) energy, impedance matching circuit, resonance circuit, Cockcroft–Walton (CW) voltage multiplier
Subjects: 600 Technology > 620 Engineering & allied operations
Department: School of Computing and Digital Media
Depositing User: Bal Virdee
Date Deposited: 13 May 2020 11:53
Last Modified: 13 May 2020 11:53
URI: http://repository.londonmet.ac.uk/id/eprint/5771

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