Power-Efficient Electronically Tunable Fractional-Order Filter

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dc.contributor.authorTasneem, Sadafcs
dc.contributor.authorKumar Ranjan, Rajeevcs
dc.contributor.authorPaul, Sajal K.cs
dc.contributor.authorHerencsár, Norbertcs
dc.coverage.issue1cs
dc.coverage.volume8cs
dc.date.accessioned2025-03-18T13:41:25Z
dc.date.available2025-03-18T13:41:25Z
dc.date.issued2024-01-02cs
dc.description.abstractThis article describes a low-voltage, low-power fractional-order low-pass filter (FO-LPF) of order 1 + alpha, which is implemented using a voltage differencing differential difference amplifier (VDDDA). The VDDDA structure is implemented using the bulk-driven metal oxide semiconductor transistor technique. The transistors operate in the subthreshold region to maintain low-supply voltage and low-power consumption. The FO-LPF structure implemented using this VDDDA structure is compact. It includes three VDDDAs and three grounded capacitors along with two active resistors implemented using MOS transistors. In addition, this filter structure provides electronic tuning of its order and cut-off frequency through the bias current of the active component used. The effects of tracking error and parasitics on the functionality of the proposed FO-LPF were investigated. The VDDDA and filter operate at +/- 300 mV and dissipate only 207 nW and 663 nW of power, respectively. Thus, the VDDDA structure and filter are suitable for low-voltage and low-power operation. Layouts of the proposed VDDDA as well as the FO-LPF were designed in the Cadence Virtuoso environment. Post-layout simulation results of the designed circuits imply that they are suitable for fabrication. Noise, total harmonic distortion, Monte-Carlo, and PVT analyses were also performed.en
dc.formattextcs
dc.format.extent1-24cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationFractal and Fractional. 2024, vol. 8, issue 1, p. 1-24.en
dc.identifier.doi10.3390/fractalfract8010031cs
dc.identifier.issn2504-3110cs
dc.identifier.orcid0000-0002-9504-2275cs
dc.identifier.other197335cs
dc.identifier.researcheridA-6539-2009cs
dc.identifier.scopus23012051100cs
dc.identifier.urihttps://hdl.handle.net/11012/250111
dc.language.isoencs
dc.publisherMDPIcs
dc.relation.ispartofFractal and Fractionalcs
dc.relation.urihttps://www.mdpi.com/2504-3110/8/1/31cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2504-3110/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectbulk-driven techniqueen
dc.subjectcurrent-modeen
dc.subjectelectronically tunableen
dc.subjectfractional-orderen
dc.subjectlow-voltageen
dc.subjectlow-poweren
dc.subjectlow-pass filteren
dc.titlePower-Efficient Electronically Tunable Fractional-Order Filteren
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-197335en
sync.item.dbtypeVAVen
sync.item.insts2025.03.18 14:41:23en
sync.item.modts2025.03.18 09:33:29en
thesis.grantorVysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií. Ústav telekomunikacícs
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