Path: Top -> Journal -> Telkomnika -> 2019 -> Vol 17, No 6, Desember 2019

Architecture of an efficient dual band 1.8/2.5 GHz rectenna for RF energy harvesting

Journal from gdlhub / 2020-01-09 15:11:00
Oleh : Jahariah Sampe,Noor Hidayah Mohd Yunus,Jumri Yunas, Alipah Pawi, Telkomnika
Dibuat : 2020-01-09, dengan 1 file

Keyword : microstrip patch antenna, rectenna, rectifying circuit, RF energy harvester, RT/Duroid 5880
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Sumber pengambilan dokumen : web

This paper presents a highly efficient rectenna of RF energy harvesting systems operating at

1.8 GHz and 2.5 GHz bands for battery-less sensor application. The antenna is design by CST-MWS.

The Schottky diode used for rectifying circuit is HSMS 286B in which designed by Agilent ADS. The key

finding of the paper is that the simulated DC output voltage of the rectenna is 1.35 V for low input power of

-25 dBm at a high resistance load of 1M Ω. Correspondingly, the RF-DC conversion efficiency of

the rectification process is 59.51% and 45.75% at 1.8 GHz and 2.5 GHz, which are high efficiency and much

better compared to literature respectively. The rectenna is capable to produce 1.8 V from an input power of

-20 dBm. Thus, the proposed RF energy harvesting system offers a promising solution designed for efficient

functionality at a low power level of RF energy in the dual band.

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