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dc.creatorStevenson, Jan-Michael
dc.date.accessioned2012-06-07T22:50:40Z
dc.date.available2012-06-07T22:50:40Z
dc.date.created1997
dc.date.issued1997
dc.identifier.urihttp://hdl.handle.net/1969.1/ETD-TAMU-1997-THESIS-S737
dc.descriptionDue to the character of the original source materials and the nature of batch digitization, quality control issues may be present in this document. Please report any quality issues you encounter to digital@library.tamu.edu, referencing the URI of the item.en
dc.descriptionIncludes bibliographical references: p. 98-106.en
dc.descriptionIssued also on microfiche from Lange Micrographics.en
dc.description.abstractA quality factor (Q) tuning technique for high-frequency and high-Q continuous-time filter biquads is proposed. The method is based on the existing magnitude locked loop Q-tuning technique, but it utilizes the continuous-time adaptive LMS algorithm to improve upon several aspects of the old scheme. The technique is resistant to frequency tuning errors, and can use an easily generated clock pulse as its reference signal. Discrete component tests were conducted, with the Q value being tuned to within 1.1%. Two test chips consisting of fourth order bandpass filters at IO.7MHz and IMHZ with biquad Q-values of 20 were fabricated in a 1.2/-Lm nwell CMOS process. Experimental results show that the proposed Q-tuning scheme greatly improves on existing methods, with accuracies of less than 1% error for the 10.7MHz case.en
dc.format.mediumelectronicen
dc.format.mimetypeapplication/pdf
dc.language.isoen_US
dc.publisherTexas A&M University
dc.rightsThis thesis was part of a retrospective digitization project authorized by the Texas A&M University Libraries in 2008. Copyright remains vested with the author(s). It is the user's responsibility to secure permission from the copyright holder(s) for re-use of the work beyond the provision of Fair Use.en
dc.subjectelectrical engineering.en
dc.subjectMajor electrical engineering.en
dc.titleQuality factor tuning of high-frequency high-Q filter biquads using adaptive signal processingen
dc.typeThesisen
thesis.degree.disciplineelectrical engineeringen
thesis.degree.nameM.S.en
thesis.degree.levelMastersen
dc.type.genrethesisen
dc.type.materialtexten
dc.format.digitalOriginreformatted digitalen


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