Log-domain multiphase sinusoidal oscillator

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dc.contributor.authorPrommee, Pipat
dc.contributor.authorSra-Ium, Napat
dc.contributor.authorDejhan, Kobchai
dc.date.accessioned2026-08-06T10:02:56Z
dc.date.available2026-08-06T10:02:56Z
dc.date.issued2011-10-13
dc.description.abstractThis paper describes the design of a log-domain multiphase sinusoidal oscillator (MSO). The circuit is a direct realization of a first-order differential equation for obtaining the non-inverting and inverting lossy integrators. Each integrator comprises only a grounded capacitor and six transistors. The proposed MSO can be instantaneously controlled over wide frequency range by controlling the bias currents. The high-frequency of oscillation and oscillation condition can also be independently tuned which are indicated proposed MSO suitability in communications and high-frequency applications. The power consumption is obtained around 5.78mW at 100μA of bias current based on 2V single power supply. The oscillation frequency is controlled over four decades of frequency. The total harmonic distortion of four-phases (11.33MHz) is obtained around 1.12%. © 2011 IEEE.
dc.identifier.citationMidwest Symposium on Circuits and Systems, 2011
dc.identifier.doi10.1109/MWSCAS.2011.6026570
dc.identifier.issn15483746
dc.identifier.other2-s2.0-80053633484
dc.identifier.urihttps://dspace.kmitl.ac.th/handle/123456789/3811
dc.sourceMidwest Symposium on Circuits and Systems
dc.subjectElectronically-controlled
dc.subjectHigh-frequency
dc.subjectLog-domain filtering
dc.subjectLow-voltage
dc.subjectMultiphase Sinusoidal Oscillator
dc.titleLog-domain multiphase sinusoidal oscillator
dc.typeConference Paper

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