{"title":"数字宽带发射机正交PWM调制器性能评价","authors":"Henri Ruotsalainen, H. Arthaber","doi":"10.23919/EUMC.2012.6459279","DOIUrl":null,"url":null,"abstract":"In this paper the performance of a digital quadrature PWM modulator for switched-mode wideband transmitters is evaluated. The purpose of the evaluation is to analyze the impact of the modulator parameter settings on the signal band quantization noise and on the average power efficiency of the complete digital transmitter. Considering a realistic setup at GHz range, the performance conditions for an accurate operation are studied as well. According to the results a higher average transmitter efficiency can be expected for a 10 MHz LTE signal excitation when compared with a similar modulator structure utilizing ΣΔ modulation.","PeriodicalId":243164,"journal":{"name":"2012 7th European Microwave Integrated Circuit Conference","volume":"9 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2012-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Evaluation of quadrature PWM modulator performance for digital wideband transmitters\",\"authors\":\"Henri Ruotsalainen, H. Arthaber\",\"doi\":\"10.23919/EUMC.2012.6459279\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper the performance of a digital quadrature PWM modulator for switched-mode wideband transmitters is evaluated. The purpose of the evaluation is to analyze the impact of the modulator parameter settings on the signal band quantization noise and on the average power efficiency of the complete digital transmitter. Considering a realistic setup at GHz range, the performance conditions for an accurate operation are studied as well. According to the results a higher average transmitter efficiency can be expected for a 10 MHz LTE signal excitation when compared with a similar modulator structure utilizing ΣΔ modulation.\",\"PeriodicalId\":243164,\"journal\":{\"name\":\"2012 7th European Microwave Integrated Circuit Conference\",\"volume\":\"9 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2012-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2012 7th European Microwave Integrated Circuit Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.23919/EUMC.2012.6459279\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 7th European Microwave Integrated Circuit Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.23919/EUMC.2012.6459279","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Evaluation of quadrature PWM modulator performance for digital wideband transmitters
In this paper the performance of a digital quadrature PWM modulator for switched-mode wideband transmitters is evaluated. The purpose of the evaluation is to analyze the impact of the modulator parameter settings on the signal band quantization noise and on the average power efficiency of the complete digital transmitter. Considering a realistic setup at GHz range, the performance conditions for an accurate operation are studied as well. According to the results a higher average transmitter efficiency can be expected for a 10 MHz LTE signal excitation when compared with a similar modulator structure utilizing ΣΔ modulation.
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