Narrow BP active-RC filters with reduced power and sensitivity

Dražen Jurišić, Neven Mijat, George S. Moschytz

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    1 Scopus citations

    Abstract

    This paper presents the low-sensitivity and low-power realization of narrow high-order band-pass (BP) active resistance-capacitance (RC) filters. It is known that filters using multiple-feedback structures have reduced sensitivities to passive component tolerances. We present a filter realization using cascaded "two-amplifier biquartic" BP active filter blocks (CBQ), with reduced numbers of operational amplifiers. The "impedance tapering" and the gain-sensitivity-product minimization decrease both passive and active sensitivities of biquartic blocks. As an example, the design procedure and the Schoeffler's sensitivity analysis, were performed for an 8th-order Chebyshev narrow-BP filter.

    Original languageEnglish
    Title of host publicationProceedings of the 2005 European Conference on Circuit Theory and Design
    Pages197-200
    Number of pages4
    DOIs
    StatePublished - 2005
    Event2005 European Conference on Circuit Theory and Design - Cork, Ireland
    Duration: 28 Aug 20052 Sep 2005

    Publication series

    NameProceedings of the 2005 European Conference on Circuit Theory and Design
    Volume3

    Conference

    Conference2005 European Conference on Circuit Theory and Design
    Country/TerritoryIreland
    CityCork
    Period28/08/052/09/05

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