alexa 5.8 GHz circular polarized rectenna for microwave power transmission


Journal of Telecommunications System & Management

Author(s): B Strassner, K Chang

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This paper introduces a new circular polarized (CP) high-efficiency rectifying antenna (rectenna) array. The array elements are etched on Rogers Duroid 5870 substrate with /spl epsi//sub r/=2.33 and 10 mil thickness. The rectenna uses a dual rhombic loop antenna with a circular polarized gain of 11.7 dB and a beamwidth of 45/spl deg//55/spl deg/. The rectenna circuit has a coplanar stripline (CPS) low pass filter (LPF) which suppresses harmonics below 15 dB. The maximum RF to DC conversion efficiency of the rectenna's diode is 67%.

This article was published in IEEE and referenced in Journal of Telecommunications System & Management

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