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A Folded Voltage-Combiners Biased Amplifier for Low Voltage and High Energy-Efficiency Applications

2020Journal article Open access
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dc.contributor.authorPóvoa, R.
dc.contributor.authorLourenço, N.
dc.contributor.authorMartins, R.
dc.contributor.authorCanelas, A.
dc.contributor.authorHorta, N.
dc.contributor.authorGoes, J.
dc.date.accessioned2025-04-23T13:54:45Z
dc.date.available2025-04-23T13:54:45Z
dc.date.issued2020
dc.description.abstractThe topic of this brief is a ingle-stage amplifier biased by a doublet of voltage-combiners in a folded configuration, in order to be supplied by a power source of 1.2 V, maintaining proper dc biasing and avoiding the need of any device stacking. The topology has been automatically designed, optimized, and laid out, from sizing to layout level, using a layout-aware approach provided by the AIDA framework, a state-of-the-art analog IC design optimization framework. Experimental results prove that a gain of approximately 44 dB, together with a figure-of-merit higher than 1300 MHz × pF/mW are achievable using the proposed topology, with standard UMC 130 nm technology devices and a 1.2-V supply source. Finally, an extension to supply sources below nominal is explored, showing exciting results toward a future of high energy-efficiency amplifiers.eng
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationPóvoa, R., Lourenço, N., Martins, R., Canelas, A., Horta, N., & Goes, J. (2019). A folded voltage-combiners biased amplifier for low voltage and high energy-efficiency applications. IEEE Transactions on Circuits and Systems II: Express Briefs, 67(2), 230-234.
dc.identifier.doi10.1109/TCSII.2019.2913083
dc.identifier.issn1558-3791
dc.identifier.urihttp://hdl.handle.net/10400.26/57725
dc.language.isoengpt_PT
dc.peerreviewedyes
dc.publisherIEEEpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectFolded voltage-combiners
dc.subjectsingle-stage
dc.subjectOTA
dc.subjectlow-power
dc.subjectlow-voltage
dc.subjectenergy-efficiency
dc.subjectgain improvement
dc.titleA Folded Voltage-Combiners Biased Amplifier for Low Voltage and High Energy-Efficiency Applicationspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage234pt_PT
oaire.citation.issue2pt_PT
oaire.citation.startPage230pt_PT
oaire.citation.titleIEEE Transactions on Circuits and Systems II: Express Briefspt_PT
oaire.citation.volume67pt_PT
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
rcaap.typearticlept_PT

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