Conversion Of Microwave To DC By Using Rectenna

Muhammad Farid, Mohd Daud (2012) Conversion Of Microwave To DC By Using Rectenna. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Power sources such as battery nowadays have become part of the human life. The battery always been the problem where it lifetime is short. Even though nowadays, with invention of energy harvesting scattered around the world at all market, the short lifetime of the source still a main problem. All this energy harvesting irrespective of their manufacturer and batteries has the limited power sources which either need recharging or replace with a new one. Proposal of the project application is to converting the microwave signal to DC voltage. This is done by use of microwave signal which is the microwave signal is transmitted from the transmitter signal using antenna at a frequency 2.45 GHz. Rectenna is the combination of rectifying circuit and antenna. The project material that will be use is FR4 board for antenna design. RF schootky diode will be used to construct rectifying circuit. The matching of the schootky diode will be in stub matching form which will be design on FR4 board. The horn antenna is used as transmitter that transmits power at 2dBm to 20dBm. The rectenna then will be used to convert microwave signal into DC voltage. For 15cm distance, the higher voltage produce is 0.8V which is quite high and can power up small electronic device such as USB and LED. The lowest voltage produce is 0.001V.

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