{"title":"具有改进线性度的超低电压电源压控振荡器","authors":"Luís Henrique Rodovalho, H. Klimach, E. Fabris","doi":"10.1109/ISCAS.2016.7539070","DOIUrl":null,"url":null,"abstract":"In this paper, we present a VCO designed for operation at 250 mV dissipating 590 nW, free running frequency of 462 kHz with voltage-to-frequency maximum non-linearity of 0.33%. The VCO design aim to a time based ADC, whose resolution is highly limited by the non-linearity of the VCO itself, which may be corrected by further digital calibration. The proposed VCO uses a ring oscillator topology and employs forward body biasing to achieve high linearity in the analog domain.","PeriodicalId":6546,"journal":{"name":"2016 IEEE International Symposium on Circuits and Systems (ISCAS)","volume":"32 2","pages":"2379-2382"},"PeriodicalIF":0.0000,"publicationDate":"2016-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Ultra low voltage supply VCO with improved linearity\",\"authors\":\"Luís Henrique Rodovalho, H. Klimach, E. Fabris\",\"doi\":\"10.1109/ISCAS.2016.7539070\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper, we present a VCO designed for operation at 250 mV dissipating 590 nW, free running frequency of 462 kHz with voltage-to-frequency maximum non-linearity of 0.33%. The VCO design aim to a time based ADC, whose resolution is highly limited by the non-linearity of the VCO itself, which may be corrected by further digital calibration. The proposed VCO uses a ring oscillator topology and employs forward body biasing to achieve high linearity in the analog domain.\",\"PeriodicalId\":6546,\"journal\":{\"name\":\"2016 IEEE International Symposium on Circuits and Systems (ISCAS)\",\"volume\":\"32 2\",\"pages\":\"2379-2382\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2016-05-22\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2016 IEEE International Symposium on Circuits and Systems (ISCAS)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ISCAS.2016.7539070\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2016 IEEE International Symposium on Circuits and Systems (ISCAS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISCAS.2016.7539070","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Ultra low voltage supply VCO with improved linearity
In this paper, we present a VCO designed for operation at 250 mV dissipating 590 nW, free running frequency of 462 kHz with voltage-to-frequency maximum non-linearity of 0.33%. The VCO design aim to a time based ADC, whose resolution is highly limited by the non-linearity of the VCO itself, which may be corrected by further digital calibration. The proposed VCO uses a ring oscillator topology and employs forward body biasing to achieve high linearity in the analog domain.
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