Voltage-mode low-pass, high-pass, band-pass biquad filter using simple CMOS OTAs

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dc.contributor.authorKumngern, Montree
dc.contributor.authorDejhan, Kobchai
dc.date.accessioned2026-08-06T09:58:04Z
dc.date.available2026-08-06T09:58:04Z
dc.date.issued2009-01-01
dc.description.abstractA high input impedance electronically tunable voltagemode biquadratic filter with single input and three outputs using four simple CMOS operational transconductance amplifiers and two grounded capacitors is proposed. The proposed filter provides low-pass, band-pass and high-pass voltage responses at a high input impedance terminal, which enables easy cascadability of the voltage circuit. Also, the parameters ω<inf>o</inf> and Q can be set orthogonally by adjusting the circuit components. For the realizing of all the filter responses, no critical matching condition is required, on inverting-type input signal is imposed and all the incremental parameter sensitivities are low. The performances of the proposed circuit are simulated with PSPICE to confirm the presented theory. The band-stop and all-pass responses can also be obtained by interconnection of relevant output voltages with summer circuits. © 2009 IEEE.
dc.identifier.citation2009 IEEE Intrumentation and Measurement Technology Conference I2mtc 2009, 924-927, 2009
dc.identifier.doi10.1109/IMTC.2009.5168583
dc.identifier.other2-s2.0-70450082095
dc.identifier.urihttps://dspace.kmitl.ac.th/handle/123456789/2434
dc.source2009 IEEE Intrumentation and Measurement Technology Conference I2mtc 2009
dc.subjectBiquad filter
dc.subjectElectronically tunable
dc.subjectOta
dc.subjectVoltage-mode
dc.titleVoltage-mode low-pass, high-pass, band-pass biquad filter using simple CMOS OTAs
dc.typeConference Paper

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