{"title":"微波无线电力传输系统中采用多级匹配电路的小型宽带整流器","authors":"Takehiro Yamaki;Kodai Nakao;Satoshi Yoshida","doi":"10.23919/comex.2024XBL0146","DOIUrl":null,"url":null,"abstract":"This paper proposes a compact microwave rectifier achieving a fractional bandwidth of 162.7% using a double-voltage rectification circuit. The impedance matching section was designed with lumped elements for miniaturization of the circuit. Moreover, the circuit configuration of the impedance matching section was multi-stage matching to realize the wideband characteristic. Theoretically, this wideband performance was achieved by reducing the impedance conversion ratio of the L-shaped circuit and shortening the impedance locus. The measured frequency bandwidth where the RF-DC conversion efficiency exceeds 50% was from 1.1 GHz to 10.7 GHz while the DC load resistance of 200 Ω, achieving a fractional bandwidth of 162.7%.","PeriodicalId":54101,"journal":{"name":"IEICE Communications Express","volume":"14 1","pages":"34-37"},"PeriodicalIF":0.3000,"publicationDate":"2024-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10751759","citationCount":"0","resultStr":"{\"title\":\"Compact and Wideband Rectifier Using a Multi-Stage Type Matching Circuit for Microwave Wireless Power Transmission System\",\"authors\":\"Takehiro Yamaki;Kodai Nakao;Satoshi Yoshida\",\"doi\":\"10.23919/comex.2024XBL0146\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper proposes a compact microwave rectifier achieving a fractional bandwidth of 162.7% using a double-voltage rectification circuit. The impedance matching section was designed with lumped elements for miniaturization of the circuit. Moreover, the circuit configuration of the impedance matching section was multi-stage matching to realize the wideband characteristic. Theoretically, this wideband performance was achieved by reducing the impedance conversion ratio of the L-shaped circuit and shortening the impedance locus. The measured frequency bandwidth where the RF-DC conversion efficiency exceeds 50% was from 1.1 GHz to 10.7 GHz while the DC load resistance of 200 Ω, achieving a fractional bandwidth of 162.7%.\",\"PeriodicalId\":54101,\"journal\":{\"name\":\"IEICE Communications Express\",\"volume\":\"14 1\",\"pages\":\"34-37\"},\"PeriodicalIF\":0.3000,\"publicationDate\":\"2024-11-12\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10751759\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IEICE Communications Express\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://ieeexplore.ieee.org/document/10751759/\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"ENGINEERING, ELECTRICAL & ELECTRONIC\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEICE Communications Express","FirstCategoryId":"1085","ListUrlMain":"https://ieeexplore.ieee.org/document/10751759/","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
Compact and Wideband Rectifier Using a Multi-Stage Type Matching Circuit for Microwave Wireless Power Transmission System
This paper proposes a compact microwave rectifier achieving a fractional bandwidth of 162.7% using a double-voltage rectification circuit. The impedance matching section was designed with lumped elements for miniaturization of the circuit. Moreover, the circuit configuration of the impedance matching section was multi-stage matching to realize the wideband characteristic. Theoretically, this wideband performance was achieved by reducing the impedance conversion ratio of the L-shaped circuit and shortening the impedance locus. The measured frequency bandwidth where the RF-DC conversion efficiency exceeds 50% was from 1.1 GHz to 10.7 GHz while the DC load resistance of 200 Ω, achieving a fractional bandwidth of 162.7%.
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