{"title":"j类功率放大器非线性特性的研究","authors":"B. Bukvic, M. Ilić","doi":"10.1109/TELFOR.2017.8249305","DOIUrl":null,"url":null,"abstract":"We characterize the nonlinearities of a novel 10 W class-J power amplifier (PA) with a carrier at 1.5 GHz. We employ both numerical simulations and real time adjacent channel power ratio (ACPR) measurements on a fabricated prototype. The measurements are performed for a wideband code division multiple access (WCDMA) signal with 10.5 dB peak-to-average power ratio (PAPR) and 3.84 MHz bandwidth. For a 31.4 dBm modulated output power, the measured ACPR in the lower and upper adjacent channels was 37.89 dBc and 36.82 dBc, respectively, without predistortion.","PeriodicalId":422501,"journal":{"name":"2017 25th Telecommunication Forum (TELFOR)","volume":"80-81 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Characterization of nonlinearities in a class-J power amplifier\",\"authors\":\"B. Bukvic, M. Ilić\",\"doi\":\"10.1109/TELFOR.2017.8249305\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We characterize the nonlinearities of a novel 10 W class-J power amplifier (PA) with a carrier at 1.5 GHz. We employ both numerical simulations and real time adjacent channel power ratio (ACPR) measurements on a fabricated prototype. The measurements are performed for a wideband code division multiple access (WCDMA) signal with 10.5 dB peak-to-average power ratio (PAPR) and 3.84 MHz bandwidth. For a 31.4 dBm modulated output power, the measured ACPR in the lower and upper adjacent channels was 37.89 dBc and 36.82 dBc, respectively, without predistortion.\",\"PeriodicalId\":422501,\"journal\":{\"name\":\"2017 25th Telecommunication Forum (TELFOR)\",\"volume\":\"80-81 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2017-11-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2017 25th Telecommunication Forum (TELFOR)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/TELFOR.2017.8249305\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2017 25th Telecommunication Forum (TELFOR)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/TELFOR.2017.8249305","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Characterization of nonlinearities in a class-J power amplifier
We characterize the nonlinearities of a novel 10 W class-J power amplifier (PA) with a carrier at 1.5 GHz. We employ both numerical simulations and real time adjacent channel power ratio (ACPR) measurements on a fabricated prototype. The measurements are performed for a wideband code division multiple access (WCDMA) signal with 10.5 dB peak-to-average power ratio (PAPR) and 3.84 MHz bandwidth. For a 31.4 dBm modulated output power, the measured ACPR in the lower and upper adjacent channels was 37.89 dBc and 36.82 dBc, respectively, without predistortion.
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