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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS)
Astrie Nurasyeila Fifie Asli
Universiti Teknikal Malaysia Melaka (UTeM)
Control & Systems Engineering Electrical & Electronics Engineering

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3.3V DC output at -16dBm sensitivity and 77% PCE rectifier for RF energy harvesting Astrie Nurasyeila Fifie Asli; Yan Chiew Wong
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 10, No 3: September 2019
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v10.i3.pp1398-1409

Abstract

This paper presents a high voltage conversion at high sensitivity RF energy harvesting system for IoT applications. The harvesting system comprises bulk-to-source (BTMOS) differential-drive based rectifier to produce a high efficiency RF energy harvesting system. Low-pass upward impedance matching network is applied at the rectifier input to increase the sensitivity and output voltage. Dual-oxide-thickness transistors are used in the rectifier circuit to maintain the power efficiency at each stage of the rectifier. The system is designed using 0.18µm Silterra RF in deep n-well process technology and achieves 4.07V output at -16dBm sensitivity without the need of complex auxiliary control circuit and DC-DC charge-pump circuit. The system is targeted for urban environment.
Co-Authors Yan Chiew Wong