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2015-04-09
A Broadband Rectifying Circuit with High Efficiency for Microwave Power Transmission
By
Progress In Electromagnetics Research Letters, Vol. 52, 135-139, 2015
Abstract
A broadband rectifying circuit with high microwave-direct current (mw-dc) conversion efficiency is designed based on the voltage doubling circuit. The rectifying circuit consists of a broadband match network, a capacitance, a diode, a dc-pass filter formed by three fan-shaped stubs and a resistive load. The measured results show a maximum mw-dc conversion efficiency of 78.3% at 2.45 GHz centre frequency on a 900 Ω load. When the input power is 15 dBm, the bandwidth of efficiencies higher than 50% is about 57% (1.65 GHz-3.05 GHz). The simulated results agree with the measured ones. The rectifying circuit has the characteristics of simple structure and easy integration, which can be applied in the microwave power transmission systems.
Citation
Mei-Juan Nie, Xuexia Yang, and Jia-Jun Lu, "A Broadband Rectifying Circuit with High Efficiency for Microwave Power Transmission," Progress In Electromagnetics Research Letters, Vol. 52, 135-139, 2015.
doi:10.2528/PIERL15012902
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