Three-input single-output current-mode biquadratic filter with high-output impedance using a single current follower transconductance amplifier

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dc.contributor.authorMongkolwai, Pratya
dc.contributor.authorPukkalanun, Tattaya
dc.contributor.authorTangsrirat, Worapong
dc.date.accessioned2026-08-06T10:17:06Z
dc.date.available2026-08-06T10:17:06Z
dc.date.issued2017-08-01
dc.description.abstractThe circuit configuration for realizing a canonical current-mode biquad filter with three inputs and single output is introduced. The introduced filter employs a single current follower transconductance amplifier (CFTA) and a minimum of passive components, i.e., one resistor and two grounded capacitors. It is capable of generating all the five standard biquadratic filtering functions and suitable for current-mode cascading by possessing high-output impedance. Also, the proposed filter can be tuned electronically by an external bias current of the CFTA. The circuit is analyzed for the non-idealities of the used CFTA and possesses attractive low sensitivity performance. PSPICE simulation results are found to be in good agreement with the presented theory.
dc.identifier.citationIaeng International Journal of Computer Science, 44(3), 383-387, 2017
dc.identifier.issn1819656X
dc.identifier.other2-s2.0-85028031263
dc.identifier.urihttps://dspace.kmitl.ac.th/handle/123456789/7766
dc.sourceIaeng International Journal of Computer Science
dc.subjectBiquadratic filter
dc.subjectCurrent follower transconductance amplifier (CFTA)
dc.subjectCurrent-mode circuit
dc.subjectElectronically tunable
dc.subjectHigh-output impedance
dc.titleThree-input single-output current-mode biquadratic filter with high-output impedance using a single current follower transconductance amplifier
dc.typeArticle

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