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An Efficient Design of 2.45/5.8 GHz Dual-Band Rectifier for Energy Harvesting Applications
Dang-An Nguyen(응웬당안),Chulhun Seo(서철헌) 대한전기학회 2021 대한전기학회 학술대회 논문집 Vol.2021 No.10
In this paper, a novel topology is proposed for designing a compact and highly-efficiency shunt-diode rectifier for energy harvesting, operating concurrently at two widely-spaced frequency bands of 2.45 and 5.8 GHz. The structure deploys only three transmission line segments to realize dual impedance matching, which transforms diode impedances directly to the source of 50 Ohm and is analyzed in closed-form derivation. The simulation results based on HSMS2860 show that highest efficiency can be achieved simultaneously around 80% and 65% at 2.45 and 5.8 GHz, respectively with input power of 11dBm and load resistance of 600 Ohm.