A Novel Single-Diode Microwave Rectifier With a Series Band-Stop Structure

被引：100
作者：
Liu, Changjun [1 ,2 ,3 ,4 ]
Tan, Feifei [1 ]
Zhang, Hexin [1 ]
He, Qijuan [1 ]
机构：
[1] Sichuan Univ, Sch Elect & Informat Engn, Chengdu 610064, Peoples R China
[2] Sichuan Univ, Dept Radio Elect, Chengdu, Peoples R China
[3] Seoul Natl Univ, Coll Nat Sci, Seoul, South Korea
[4] Univ Ulm, Ulm, Germany
来源：
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2017年 / 65卷 / 02期
基金：
美国国家科学基金会;
关键词：
Microwave rectifier; Schottky diode; wireless power transmission; WIRELESS POWER TRANSMISSION; EFFICIENCY; ENERGY;
D O I：
10.1109/TMTT.2016.2626286
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A single-diode compact microwave rectifier with a series band-stop structure is presented in this paper. The band-stop structure is connected to the diode in series to block the harmonics produced during rectifying. It replaces the cascading bandpass or low-pass filter between the input and the diode in a conventional microwave rectifier. A microwave rectifier at 2.45 GHz with an HSMS 282 Schottky diode is realized based on the proposed design method. A short-ended eighth-wavelength microstrip transmission line is applied to the rectifier in series with the diode as a band-stop structure. The short-ended microstrip transmission line presents an inductive impedance to compensate the diode capacitive impedance at fundamental frequency and turns to an open circuit to block the second harmonic for power recycling. The proposed circuit shows a novel schematic for compact microwave rectifiers. The fabricated rectifier is compact with a dimension of 0.15 lambda g x 0.2 lambda g. A microwave-to-dc conversion efficiency of 80.9% is achieved at 20 dBm input power with a 580-Omega dc load.
引用
收藏
页码：600 / 606
页数：7
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