High-Efficiency Wideband Rectifier with Different Rectifying Topology and Working Frequency

被引：0
|
作者：
Song, Su-Li [1 ]
Ou, Jun-Hui [1 ]
Yang, Jun [1 ]
Lin, Yue Long [1 ]
机构：
[1] South China Univ Technol, Guangzhou 510641, Peoples R China
来源：
2018 11TH UK-EUROPE-CHINA WORKSHOP ON MILLIMETER WAVES AND TERAHERTZ TECHNOLOGIES (UCMMT2018), VOL 1 | 2018年
关键词：
Microwave rectifier; wideband; impedance matching; high efficiency; Voltage-doubler;
D O I：
暂无
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：
This paper presents wideband rectifiers with different rectifying topologies operating at different frequencies. A wideband matching circuit based on coupled-line is employed to realize wideband performance. Rectifiers with different topologies and frequencies based on this matching circuit are designed. For validation, a wideband rectifier using voltage-doubler topology is implemented operating at 1.62-2.68 GHz at the input power of 18 dBm. It exhibits the fractional bandwidth of 49.3% when RF-to-DC conversion efficiency exceeds 75% Moreover, a wideband rectifier with dual voltage-doubler topology is implemented with enhanced output voltage and conversion efficiency. The efficiency of the rectifier exceeds 70% from 0.68 to 1.28 GHz at 18 dBm input power.
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页数：3
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