期刊
PROGRESS IN ELECTROMAGNETICS RESEARCH LETTERS
卷 52, 期 -, 页码 135-139出版社
E M W PUBLISHING
DOI: 10.2528/PIERL15012902
关键词
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资金
- National Natural Science Foundation of China [61271062]
- Key Laboratory of Specialty Fiber Optics and Optical Access Networks [SKLSFO2013-03]
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 Omega load. When the input power is 15 dBm, the bandwidth of efficiencies higher than 50% is about 57% (1.65GHz-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.
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