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A high conversion efficiency 5.8 GHz rectenna

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3 Author(s)
J. O. McSpadden ; Dept. of Electr. Eng., Texas A&M Univ., College Station, TX, USA ; Lu Fan ; Kai Chang

A high efficiency rectenna element has been designed and tested at 5.8 GHz for applications involving microwave power transmission. The dipole antenna and filtering circuitry are printed on a thin duroid substrate. A silicon Schottky-barrier mixer diode with a low breakdown voltage is used as the rectifying device; The rectenna element is tested inside a waveguide simulator and achieves an RF to DC conversion efficiency of 82% at an input power level of 50 mW. The antenna and circuit design is based on a full-wave electromagnetic simulator.

Published in:

Microwave Symposium Digest, 1997., IEEE MTT-S International  (Volume:2 )

Date of Conference:

8-13 June 1997