{"title":"Gm-C滤波器中的符号噪声分析","authors":"C. Sánchez-López, E. Tlelo-Cuautle","doi":"10.1109/CERMA.2006.88","DOIUrl":null,"url":null,"abstract":"A procedure focused to the fully-symbolic noise analysis of continuous-time active filters consisting of operational transconductance amplifiers (OTAs) and capacitors is introduced. The proposed procedure is carried out by modeling each OTA by its nullor-based noise model. In this way, the total output noise density is evaluated by solving a linear system of equations. An illustrative example is described to show the usefulness of the proposed procedure to derive expressions for the fully-symbolic total output noise density. Finally, the derived expression is compared with Hspice noise simulations, which are in good agreement","PeriodicalId":179210,"journal":{"name":"Electronics, Robotics and Automotive Mechanics Conference (CERMA'06)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2006-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"6","resultStr":"{\"title\":\"Symbolic Noise Analysis in Gm-C Filters\",\"authors\":\"C. Sánchez-López, E. Tlelo-Cuautle\",\"doi\":\"10.1109/CERMA.2006.88\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A procedure focused to the fully-symbolic noise analysis of continuous-time active filters consisting of operational transconductance amplifiers (OTAs) and capacitors is introduced. The proposed procedure is carried out by modeling each OTA by its nullor-based noise model. In this way, the total output noise density is evaluated by solving a linear system of equations. An illustrative example is described to show the usefulness of the proposed procedure to derive expressions for the fully-symbolic total output noise density. Finally, the derived expression is compared with Hspice noise simulations, which are in good agreement\",\"PeriodicalId\":179210,\"journal\":{\"name\":\"Electronics, Robotics and Automotive Mechanics Conference (CERMA'06)\",\"volume\":\"24 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2006-09-26\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"6\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Electronics, Robotics and Automotive Mechanics Conference (CERMA'06)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/CERMA.2006.88\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Electronics, Robotics and Automotive Mechanics Conference (CERMA'06)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CERMA.2006.88","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A procedure focused to the fully-symbolic noise analysis of continuous-time active filters consisting of operational transconductance amplifiers (OTAs) and capacitors is introduced. The proposed procedure is carried out by modeling each OTA by its nullor-based noise model. In this way, the total output noise density is evaluated by solving a linear system of equations. An illustrative example is described to show the usefulness of the proposed procedure to derive expressions for the fully-symbolic total output noise density. Finally, the derived expression is compared with Hspice noise simulations, which are in good agreement
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