Noise analysis of switched capacitor filters

dc.contributor.authorLi, Siu Wingen
dc.contributor.departmentElectrical Engineeringen
dc.date.accessioned2021-10-26T20:09:47Zen
dc.date.available2021-10-26T20:09:47Zen
dc.date.issued1983en
dc.description.abstractThe self noise output of switched-capacitor (SC) filters was examined. The two main noise sources in SC filters are switch transistors and the operational amplifiers. These noise sources were modeled as switch thermal white noise and op-amp input white noise. The existence of direct and sample-and-held noise outputs were demonstrated. The direct noise, resulting from direct circuit path, was shown to be relatively small: While the sample-and-held noise, arising from the direct noise samples, dominates the total noise output because of the aliasing effect of direct white noise. Z-domain analysis was performed on the Z-domain noise models of SC filters to evaluate the sample-and-held noise. A SC integrator, a SC biquad and a SC 7th order filter were analyzed. The predicted noise outputs of the last two filters were compared with their experimental results and good correlation between the two results has been obtained.en
dc.description.degreeM.S.en
dc.format.extentviii, 115 leavesen
dc.format.mimetypeapplication/pdfen
dc.identifier.urihttp://hdl.handle.net/10919/106001en
dc.language.isoenen
dc.publisherVirginia Polytechnic Institute and State Universityen
dc.relation.isformatofOCLC# 11050955en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V855 1983.L5en
dc.subject.lcshCapacitors -- Noise -- Testingen
dc.titleNoise analysis of switched capacitor filtersen
dc.typeThesisen
dc.type.dcmitypeTexten
thesis.degree.disciplineElectrical Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameM.S.en

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