期刊
IEEE ACCESS
卷 6, 期 -, 页码 19018-19024出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2018.2820143
关键词
RF energy harvesting; triple-band impedance matching network; triple-band rectifier
资金
- Natural Science Foundation of China [61725102]
In this paper, a triple-band impedance matching network is introduced and applied to rectifier design. It can be used to realize impedance matching at three frequencies simultaneously. Theoretical analysis of the triple-band matching network is carried out, and a rectifier operating at 0.85, 1.77, and 2.07 GHz is designed, fabricated, and measured. Measurement results show that when the input power is 0 dBm, the measured maximum RF-to-dc power conversion efficiencies are 61.9%, 71.5%, and 60.5% at the frequencies of 0.85, 1.77, and 2.07 GHz, respectively. Compared with other related designs, the proposed rectifier features high efficiency and compactness. Thus, it is suitable for ambient RF energy harvesting application.
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