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Realization of Cochlear Model by VLT Switched-Capacitor Filter Biquads

dc.contributor.authorLin, Jyhfongen_US
dc.contributor.authorKi, Wing-Hungen_US
dc.contributor.authorThompson, K.E.en_US
dc.contributor.authorShamma, S.en_US
dc.date.accessioned2007-05-23T09:48:40Z
dc.date.available2007-05-23T09:48:40Z
dc.date.issued1991en_US
dc.identifier.urihttp://hdl.handle.net/1903/5132
dc.description.abstractWe describe here the realization of a cochlear model using switched capacitor filters (SCF). This approach is made possible by a new design technique, called charge differencing (CD), which reduces by up to 50% the silicon area required to implement very large time-constant (VLT) filter biquads. In this technique, filter time constants are controlled by ratios of capacitor differences making the capacitor spread ratio very small. The new SCF's are also parasitics-free and are stabilized against op-amp inaccuracies, such as input offsets and finite gains, using a two-phase gain-offset-compensation method.en_US
dc.format.extent273142 bytes
dc.format.mimetypeapplication/pdf
dc.language.isoen_USen_US
dc.relation.ispartofseriesISR; TR 1991-85en_US
dc.subjectfilteringen_US
dc.subjectspeech processingen_US
dc.subjectCommunication en_US
dc.subjectSignal Processing Systemsen_US
dc.titleRealization of Cochlear Model by VLT Switched-Capacitor Filter Biquadsen_US
dc.typeTechnical Reporten_US
dc.contributor.departmentISRen_US


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