Current-mode quadrature oscillator using current differencing transconductance amplifiers

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dc.contributor.authorKumngern, Montree
dc.contributor.authorLamun, Panit
dc.contributor.authorDejhan, Kobchai
dc.date.accessioned2026-08-06T10:04:27Z
dc.date.available2026-08-06T10:04:27Z
dc.date.issued2012-07-01
dc.description.abstractThis article presents a new electronically tunable single-element-controlled current-mode quadrature sinusoidal oscillator circuit using current differencing transconductance amplifiers (CDTAs). The proposed oscillator is consisted of two CDTAs, two grounded capacitors and one grounded resistor, which is beneficial to monolithic integrated circuit implementation both in CMOS and bipolar technologies. The condition of oscillation and the frequency of oscillation are independently controllable. The frequency of oscillation can also be electronically controlled by adjusting the bias current of CDTA. The circuit provides four quadrature current outputs and two quadrature voltage outputs. The current output terminals possess high impedance level. PSPICE simulation results are used to verify the performance of the proposed circuit implemented at the transistor level. The measurement results support the computer simulations.
dc.identifier.citationInternational Journal of Electronics, 99(7), 971-986, 2012
dc.identifier.doi10.1080/00207217.2011.651693
dc.identifier.issn00207217
dc.identifier.other2-s2.0-84877768554
dc.identifier.urihttps://dspace.kmitl.ac.th/handle/123456789/4256
dc.sourceInternational Journal of Electronics
dc.subjectCurrent differencing transconductance amplifier
dc.subjectCurrent-mode circuit
dc.subjectElectronically tunable
dc.subjectQuadrature oscillator
dc.titleCurrent-mode quadrature oscillator using current differencing transconductance amplifiers
dc.typeArticle

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