{"title":"数字开关噪声对LC-tank压控振荡器性能的影响","authors":"C. Soens, G. V. D. Plas, P. Wambacq, S. Donnay","doi":"10.1109/ESSCIR.2004.1356632","DOIUrl":null,"url":null,"abstract":"In mixed-signal designs, digital switching noise is an important limitation for the analog and RF performance. This paper reports a thorough experimental and analytical study of the impact of digital switching noise on a 3.5 GHz LC-tank voltage controlled oscillator (VCO) in 0.18 /spl mu/m CMOS. Frequency modulation is recognized as the dominating mechanism behind the impact of digital switching noise in the investigated frequency range (DC to 15 MHz). The dominating coupling path, from the source of noise to the VCO, in this frequency range is via the non-ideal metal ground lines.","PeriodicalId":294077,"journal":{"name":"Proceedings of the 30th European Solid-State Circuits Conference","volume":"90 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2004-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"20","resultStr":"{\"title\":\"Performance degradation of an LC-tank VCO by impact of digital switching noise\",\"authors\":\"C. Soens, G. V. D. Plas, P. Wambacq, S. Donnay\",\"doi\":\"10.1109/ESSCIR.2004.1356632\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In mixed-signal designs, digital switching noise is an important limitation for the analog and RF performance. This paper reports a thorough experimental and analytical study of the impact of digital switching noise on a 3.5 GHz LC-tank voltage controlled oscillator (VCO) in 0.18 /spl mu/m CMOS. Frequency modulation is recognized as the dominating mechanism behind the impact of digital switching noise in the investigated frequency range (DC to 15 MHz). The dominating coupling path, from the source of noise to the VCO, in this frequency range is via the non-ideal metal ground lines.\",\"PeriodicalId\":294077,\"journal\":{\"name\":\"Proceedings of the 30th European Solid-State Circuits Conference\",\"volume\":\"90 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2004-11-15\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"20\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of the 30th European Solid-State Circuits Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ESSCIR.2004.1356632\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the 30th European Solid-State Circuits Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ESSCIR.2004.1356632","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Performance degradation of an LC-tank VCO by impact of digital switching noise
In mixed-signal designs, digital switching noise is an important limitation for the analog and RF performance. This paper reports a thorough experimental and analytical study of the impact of digital switching noise on a 3.5 GHz LC-tank voltage controlled oscillator (VCO) in 0.18 /spl mu/m CMOS. Frequency modulation is recognized as the dominating mechanism behind the impact of digital switching noise in the investigated frequency range (DC to 15 MHz). The dominating coupling path, from the source of noise to the VCO, in this frequency range is via the non-ideal metal ground lines.
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