{"title":"用于前馈放大器的环路控制器使测量的功率信号最小化","authors":"M. Gadringer, H. Arthaber, G. Magerl","doi":"10.1109/RAWCON.2003.1227947","DOIUrl":null,"url":null,"abstract":"Adaptively controlled feedforward amplifiers are discussed in a large number of publications over the past years. Especially for the control of the distortion cancellation loop it was inevitable to implement a baseband-controller if the use of a pilot carrier should have been avoided. A significant deterioration of the costs of a feedforward amplifier can be achieved by using power sensors to balance all loops. This paper introduces a loop controller, which tunes the loops of a feedforward amplifier based on the power measurement of two signals within the circuit. The structure of this controller is discussed and measurement results for a 40 W GSM2+ (EDGE) power amplifier are presented.","PeriodicalId":177645,"journal":{"name":"Radio and Wireless Conference, 2003. RAWCON '03. Proceedings","volume":"27 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2003-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"6","resultStr":"{\"title\":\"Loop controller for a feedforward amplifier minimizing the measured power signal\",\"authors\":\"M. Gadringer, H. Arthaber, G. Magerl\",\"doi\":\"10.1109/RAWCON.2003.1227947\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Adaptively controlled feedforward amplifiers are discussed in a large number of publications over the past years. Especially for the control of the distortion cancellation loop it was inevitable to implement a baseband-controller if the use of a pilot carrier should have been avoided. A significant deterioration of the costs of a feedforward amplifier can be achieved by using power sensors to balance all loops. This paper introduces a loop controller, which tunes the loops of a feedforward amplifier based on the power measurement of two signals within the circuit. The structure of this controller is discussed and measurement results for a 40 W GSM2+ (EDGE) power amplifier are presented.\",\"PeriodicalId\":177645,\"journal\":{\"name\":\"Radio and Wireless Conference, 2003. RAWCON '03. Proceedings\",\"volume\":\"27 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2003-09-08\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"6\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Radio and Wireless Conference, 2003. RAWCON '03. Proceedings\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/RAWCON.2003.1227947\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Radio and Wireless Conference, 2003. RAWCON '03. Proceedings","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/RAWCON.2003.1227947","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Loop controller for a feedforward amplifier minimizing the measured power signal
Adaptively controlled feedforward amplifiers are discussed in a large number of publications over the past years. Especially for the control of the distortion cancellation loop it was inevitable to implement a baseband-controller if the use of a pilot carrier should have been avoided. A significant deterioration of the costs of a feedforward amplifier can be achieved by using power sensors to balance all loops. This paper introduces a loop controller, which tunes the loops of a feedforward amplifier based on the power measurement of two signals within the circuit. The structure of this controller is discussed and measurement results for a 40 W GSM2+ (EDGE) power amplifier are presented.
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