SITO current-mode multifunction biquad using readily available IC LT1228s

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dc.contributor.authorRoongmuanpha, Natchanai
dc.contributor.authorTangsrirat, Worapong
dc.date.accessioned2026-08-06T10:29:06Z
dc.date.available2026-08-06T10:29:06Z
dc.date.issued2020-07-01
dc.description.abstractThis paper focuses on the practical realization of current-mode multifunction biquadratic filter with single input and triple outputs (SITO), implementing from two readily available IC LT1228s. Only three grounded passive elements have been used for the realization. Highpass (HP), bandpass (BP) and lowpass (LP) biquadratic filtering functions are simultaneously generated without modifying the circuit structure. The tuning laws of the natural angular frequency (ωo) and the quality factor (Q) are non-interactive electronic control by changing the external bias current of LT1228s. The critical circuit sensitivities are considered to be low. Computer simulations with PSPICE program are also confirmed with theoretical ones and used to demonstrate the circuit performance.
dc.identifier.citationProceedings 2020 6th International Conference on Engineering Applied Sciences and Technology Iceast 2020, 2020
dc.identifier.doi10.1109/ICEAST50382.2020.9165538
dc.identifier.other2-s2.0-85091965796
dc.identifier.urihttps://dspace.kmitl.ac.th/handle/123456789/11083
dc.sourceProceedings 2020 6th International Conference on Engineering Applied Sciences and Technology Iceast 2020
dc.subjectBiquadratic filter
dc.subjectCommercially available IC: LT1228
dc.subjectCurrent-mode circuit
dc.subjectElectronically tunable
dc.titleSITO current-mode multifunction biquad using readily available IC LT1228s
dc.typeConference Paper

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