{"title":"A VCO Based Digital Microphone Utilizing A FIR Sigma Delta Converter","authors":"S. Soell, B. Porr","doi":"10.1109/MIXDES.2006.1706573","DOIUrl":null,"url":null,"abstract":"As negative feedback in control systems is often not applicable and/or produces undesirable effects, this paper presents an analysis and simulation of a finite impulse response (FIR) sigma delta A/D converter comprising of a voltage controlled oscillator (VCO) and D-flip-flop to digitize data. The FIR sigma delta modulator (SDM) is analyzed in terms of performance and simulation results are given. As an application example conventional condenser microphones are introduced and then improved upon utilizing the FIR sigma delta modulator. Proof-of-concept is given along with simulation results","PeriodicalId":318768,"journal":{"name":"Proceedings of the International Conference Mixed Design of Integrated Circuits and System, 2006. MIXDES 2006.","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2006-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the International Conference Mixed Design of Integrated Circuits and System, 2006. MIXDES 2006.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MIXDES.2006.1706573","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
As negative feedback in control systems is often not applicable and/or produces undesirable effects, this paper presents an analysis and simulation of a finite impulse response (FIR) sigma delta A/D converter comprising of a voltage controlled oscillator (VCO) and D-flip-flop to digitize data. The FIR sigma delta modulator (SDM) is analyzed in terms of performance and simulation results are given. As an application example conventional condenser microphones are introduced and then improved upon utilizing the FIR sigma delta modulator. Proof-of-concept is given along with simulation results
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