Electronically Tunable Universal Filter and Quadrature Oscillator Using Low-Voltage Differential Difference Transconductance Amplifiers

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dc.contributor.authorKumngern, Montreecs
dc.contributor.authorSuksaibul, Pichaics
dc.contributor.authorKhateb, Fabiancs
dc.contributor.authorKulej, Tomaszcs
dc.coverage.issue1cs
dc.coverage.volume10cs
dc.date.accessioned2022-09-16T14:50:25Z
dc.date.available2022-09-16T14:50:25Z
dc.date.issued2022-06-27cs
dc.description.abstractThis paper presents a new electronically tunable universal filter and quadrature oscillator for low frequency biomedical and biosensor applications employing low-voltage differential difference transconductance amplifier (DDTA). The DDTACMOS structure uses 0.5V of supply voltage and consumes 277 nW of power. Unlike the previous universal filters, the proposed filter provides many transfer functions of the standard five transfer functions such as low-pass, high-pass, band-pass, band-stop and all-pass with both unity and controlled voltage gains as well as both inverting and non-inverting transfer functions. The natural frequency and the voltage gain of the five standard transfer functions can be controlled electronically. For the band-pass filter, the third intermodulation distortion (IMD3) was 0.37% for 20 mV(pp) input signal while the output integrated noise was 61.37 mu V. The dynamic range (DR) was 53.27 dB for 1% IMD3. The quadrature oscillator has electronically and orthogonal control of the condition and frequency of oscillation. The proposed circuit and its applications were designed and verified via Cadence simulator tool using 0.13 mu m UMC CMOS technology. Further, the circuit was evaluated by PSPICE simulation and experiment test using commercial OTA LM13700.en
dc.formattextcs
dc.format.extent68965-68980cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationIEEE Access. 2022, vol. 10, issue 1, p. 68965-68980.en
dc.identifier.doi10.1109/ACCESS.2022.3186435cs
dc.identifier.issn2169-3536cs
dc.identifier.other178889cs
dc.identifier.urihttp://hdl.handle.net/11012/208338
dc.language.isoencs
dc.publisherIEEEcs
dc.relation.ispartofIEEE Accesscs
dc.relation.urihttps://ieeexplore.ieee.org/document/9807276cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2169-3536/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectUniversal filteren
dc.subjectquadrature oscillatoren
dc.subjectdifferential difference transconductance amplifieren
dc.subjectlow-voltageen
dc.subjectlow-power CMOSen
dc.titleElectronically Tunable Universal Filter and Quadrature Oscillator Using Low-Voltage Differential Difference Transconductance Amplifiersen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-178889en
sync.item.dbtypeVAVen
sync.item.insts2022.09.16 16:50:24en
sync.item.modts2022.09.16 16:16:21en
thesis.grantorVysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií. Ústav mikroelektronikycs
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