Electronically tunable voltage-mode universal filter with single-input five-output using simple OTAs

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dc.contributor.authorKumngern, Montree
dc.contributor.authorSuwanjan, Peerawut
dc.contributor.authorDejhan, Kobchai
dc.date.accessioned2026-08-06T10:07:00Z
dc.date.available2026-08-06T10:07:00Z
dc.date.issued2013-08-01
dc.description.abstractThis article presents a new electronically tunable voltage-mode universal biquadratic filter with single-input five-output using simple operational transconductance amplifiers (OTAs) and grounded capacitors. The proposed configuration provides low-pass, band-pass, high-pass, band-stop and all-pass voltage responses at a high-impedance input terminal that enables easy cascading in voltage-mode. The natural frequency and the quality factor can be set orthogonally by adjusting the circuit components. The natural frequency can also be controlled electronically by adjusting the bias currents of the OTAs. For realising all the five standard filtering functions, no critical-matching conditions are imposed and all the incremental parameter sensitivities are low. Experimental and simulation results that confirm the theoretical predictions are given. © 2013 Copyright Taylor and Francis Group, LLC.
dc.identifier.citationInternational Journal of Electronics, 100(8), 1118-1133, 2013
dc.identifier.doi10.1080/00207217.2012.743070
dc.identifier.issn00207217
dc.identifier.other2-s2.0-84880298087
dc.identifier.urihttps://dspace.kmitl.ac.th/handle/123456789/4975
dc.sourceInternational Journal of Electronics
dc.subjectoperational transconductance amplifier
dc.subjectsingle-input multiple-output filter
dc.subjectuniversal filter
dc.subjectvoltage-mode circuit
dc.titleElectronically tunable voltage-mode universal filter with single-input five-output using simple OTAs
dc.typeArticle

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