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Single-Stage Amplifier biased by Voltage-Combiners with Gain and Energy-Efficiency Enhancement

2018Journal article Restricted 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.accessioned2025-02-18T15:22:14Z
dc.date.available2025-02-18T15:22:14Z
dc.date.issued2018
dc.description.abstractThis brief presents the design of a single-stage amplifier with enhanced gain and speed, without the need for using any cascode devices, positive feedback, or feed forward technique. Instead, two voltage-combiners replace the traditional tail current source, commonly employed to bias the differential pair. The resultant topology shows both additional dc gain and a gain bandwidth product enhancement. Simulation results of a properly optimized circuit, using AIDA-C, a state-of-the-art multi-objective multi-constraint IC sizing and optimization tool, demonstrate that a dc gain above 47 dB and a figure-of-merit better than 960 MHz*pF/mA, in corner conditions, can be achieved with this topology, in the UMC 130-nm technology. The circuit was fabricated and experimentally measured, showing an energy-efficiency figure-of-merit of 1023.6 MHz*pF/mA.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationR. Póvoa, N. Lourenço, R. Martins, A. Canelas, N. C. G. Horta and J. Goes, "Single-Stage Amplifier Biased by Voltage Combiners With Gain and Energy-Efficiency Enhancement," in IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 65, no. 3, pp. 266-270.pt_PT
dc.identifier.doi10.1109/TCSII.2017.2686586pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.26/54459
dc.language.isoengpt_PT
dc.publisherIEEEpt_PT
dc.titleSingle-Stage Amplifier biased by Voltage-Combiners with Gain and Energy-Efficiency Enhancementpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage270pt_PT
oaire.citation.issue3pt_PT
oaire.citation.startPage266pt_PT
oaire.citation.titleIEEE Transactions on Circuits and Systems II: Express Briefspt_PT
oaire.citation.volume65pt_PT
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT

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