0.3-Volt Rail-to-Rail DDTA and Its Application in a Universal Filter and Quadrature Oscillator

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dc.contributor.authorKhateb, Fabiancs
dc.contributor.authorKumngern, Montreecs
dc.contributor.authorKulej, Tomaszcs
dc.contributor.authorBiolek, Daliborcs
dc.coverage.issue7cs
dc.coverage.volume22cs
dc.date.accessioned2022-04-25T10:54:05Z
dc.date.available2022-04-25T10:54:05Z
dc.date.issued2022-04-21cs
dc.description.abstractThis paper presents the extremely low-voltage supply of the CMOS structure of a differential difference transconductance amplifier (DDTA). With a 0.3-volt supply voltage, the circuit offers rail-to-rail operational capability. The circuit is designed for low-frequency biomedical and sensor applications, and it consumes 357.4 nW of power. Based on two DDTAs and two grounded capacitors, a voltage-mode universal filter and quadrature oscillator are presented as applications. The universal filter possesses high-input impedance and electronic tuning ability of the natural frequency in the range of tens up to hundreds of Hz. The total harmonic distortion (THD) for the band-pass filter was 0.5% for 100 mV(pp) @ 84.47 Hz input voltage. The slight modification of the filter yields a quadrature oscillator. The condition and the frequency of oscillation are orthogonally controllable. The frequency of oscillation can also be controlled electronically. The THD for a 67 Hz oscillation frequency was around 1.2%. The circuit is designed and simulated in a Cadence environment using 130 nm CMOS technology from United Microelectronics Corporation (UMC). The simulation results confirm the performance of the designed circuits.en
dc.formattextcs
dc.format.extent1-17cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationSENSORS. 2022, vol. 22, issue 7, p. 1-17.en
dc.identifier.doi10.3390/s22072655cs
dc.identifier.issn1424-8220cs
dc.identifier.other177593cs
dc.identifier.urihttp://hdl.handle.net/11012/204105
dc.language.isoencs
dc.publisherMDPIcs
dc.relation.ispartofSENSORScs
dc.relation.urihttps://www.mdpi.com/1424-8220/22/7/2655cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1424-8220/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectuniversal filteren
dc.subjectquadrature oscillatoren
dc.subjectdifferential difference transconductance amplifieren
dc.subjectanalog signal processingen
dc.title0.3-Volt Rail-to-Rail DDTA and Its Application in a Universal Filter and Quadrature Oscillatoren
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-177593en
sync.item.dbtypeVAVen
sync.item.insts2022.11.15 12:52:26en
sync.item.modts2022.11.15 12:14:26en
thesis.grantorVysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií. Ústav mikroelektronikycs
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