{"title":"射频桥式整流器及其在无线电力传输系统中的良好应用前景","authors":"K. Itoh","doi":"10.1109/RFIT.2015.7377942","DOIUrl":null,"url":null,"abstract":"This paper describes the high efficient bridge rectifier topology and its implementations in 100MHz and 2.4GHz bands. The rectifier topology realizes full-wave-rectification without large sized filters used in single-shunt type rectifiers. By employing the topology, further downsizing and integration can be achieved easily. High impedance operation with impedance transformer or the high-impedance antenna is employed to improve the rectification efficiency. 94% efficiency of the 100MHz band rectifier and 80% efficiency of the 2.4GHz rectenna are achieved. These values are the top-level performance with the commercial-based Si-SBD. Also the size of the 2.4GHz band rectifier is 4.5mm × 4.8mm that is the smallest implementation than the past works.","PeriodicalId":422369,"journal":{"name":"2015 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2015-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":"{\"title\":\"RF bridge rectifier and its good possibility for wireless power transmission systems\",\"authors\":\"K. Itoh\",\"doi\":\"10.1109/RFIT.2015.7377942\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper describes the high efficient bridge rectifier topology and its implementations in 100MHz and 2.4GHz bands. The rectifier topology realizes full-wave-rectification without large sized filters used in single-shunt type rectifiers. By employing the topology, further downsizing and integration can be achieved easily. High impedance operation with impedance transformer or the high-impedance antenna is employed to improve the rectification efficiency. 94% efficiency of the 100MHz band rectifier and 80% efficiency of the 2.4GHz rectenna are achieved. These values are the top-level performance with the commercial-based Si-SBD. Also the size of the 2.4GHz band rectifier is 4.5mm × 4.8mm that is the smallest implementation than the past works.\",\"PeriodicalId\":422369,\"journal\":{\"name\":\"2015 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT)\",\"volume\":\"20 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2015-08-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"5\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2015 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/RFIT.2015.7377942\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2015 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/RFIT.2015.7377942","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
RF bridge rectifier and its good possibility for wireless power transmission systems
This paper describes the high efficient bridge rectifier topology and its implementations in 100MHz and 2.4GHz bands. The rectifier topology realizes full-wave-rectification without large sized filters used in single-shunt type rectifiers. By employing the topology, further downsizing and integration can be achieved easily. High impedance operation with impedance transformer or the high-impedance antenna is employed to improve the rectification efficiency. 94% efficiency of the 100MHz band rectifier and 80% efficiency of the 2.4GHz rectenna are achieved. These values are the top-level performance with the commercial-based Si-SBD. Also the size of the 2.4GHz band rectifier is 4.5mm × 4.8mm that is the smallest implementation than the past works.
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