Development of rectifier for wideband RF energy harvesting system

Joseph, Edwin Mark (2023) Development of rectifier for wideband RF energy harvesting system. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

This research describes the design of an effective rectifier circuit for RF Energy Harvesting. The technique of producing and collecting energy from an external source is define as RF Energy Harvesting. It is a green technology that is globally accessible in our atmosphere. The objective of this research is to design and to implement a rectifier circuit with impedance matching network. A Voltage Doubler rectifier circuit is proposed, from many types of rectifiers to convert RF energy to DC energy. Fixed frequency of 945MHz is proposed for the simulation and measurement of different input power levels. This rectifier is made up of a combination of LC impedance matching network and Schottky diodes (HSMS-285x). The ADS 2016 circuit simulator is used for running this rectifier simulation. From that, we should expect around 70% conversion of energy from RF to DC. From the hardware results, we managed to get a reading of DC energy. This shows that our hardware is functional and the objective is fulfilled.

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