Adjustable Quadrature Shadow Sinusoidal Oscillator

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dc.contributor.authorBuakaew, Seangrawee
dc.contributor.authorAtiwongsangthong, Narin
dc.date.accessioned2026-08-06T10:35:16Z
dc.date.available2026-08-06T10:35:16Z
dc.date.issued2022-01-01
dc.description.abstractThis article presents a shadow oscillator with quadrature-phase outputs. The proposed circuit employs the voltage differential transconductance amplifier (VDTA) and two grounded passive elements. The frequency of the oscillation, as well as the condition of oscillation, are accomplished through the tunning of the gains of the external amplifiers. Therefore, frequency adjustability can be performed without the effect on the biquad cell which is the main feature of the shadow oscillators. The results from the PSpice simulations employing the CMOS circuit level are included to verify the proposed quadrature shadow oscillator configurations.
dc.identifier.citation8th International Conference on Engineering Applied Sciences and Technology Iceast 2022 Proceedings, 42-45, 2022
dc.identifier.doi10.1109/ICEAST55249.2022.9826333
dc.identifier.other2-s2.0-85135915343
dc.identifier.urihttps://dspace.kmitl.ac.th/handle/123456789/12745
dc.source8th International Conference on Engineering Applied Sciences and Technology Iceast 2022 Proceedings
dc.subjectanalog circuit
dc.subjectquadrature oscillator
dc.subjectshadow filter
dc.titleAdjustable Quadrature Shadow Sinusoidal Oscillator
dc.typeConference Paper

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