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Single Stage OTA biased by Voltage-Combiners with Enhanced Performance using Current Starving

2018-11Journal 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.accessioned2025-02-18T15:37:19Z
dc.date.available2025-02-18T15:37:19Z
dc.date.issued2018-11
dc.description.abstractThis brief presents an improved single-stage amplifier biased by voltage-combiners, through the proper usage of current starving. The topology designed and fabricated shows an enhancement of the low-frequency gain, an improvement in the establishing time due to enhanced gain-bandwidth product, and a high improvement of the energy efficiency. The circuit was optimized using AIDA-C, a state-of-the-art multi-objective multi-constraint analog IC sizing and optimization tool, and simulation results demonstrate that a gain above 60 dB and a figure-of-merit over 900 MHz×pF/mA are acquirable with this circuit, using the UMC 130-nm technology design kit. The circuit was fabricated and experimentally measured, presenting a gain of 58 dB with a figure-of-merit of 1102 MHz×pF/mA, for a 3.3 V supply source.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationR. Póvoa, N. Lourenço, R. Martins, A. Canelas, N. Horta and J. Goes, "Single-Stage OTA Biased by Voltage-Combiners With Enhanced Performance Using Current Starving," in IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 65, no. 11, pp. 1599-1603pt_PT
dc.identifier.doi10.1109/TCSII.2017.2777533pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.26/54461
dc.language.isoengpt_PT
dc.publisherIEEEpt_PT
dc.titleSingle Stage OTA biased by Voltage-Combiners with Enhanced Performance using Current Starvingpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage1603pt_PT
oaire.citation.issue11pt_PT
oaire.citation.startPage1599pt_PT
oaire.citation.titleTransactions on Circuits and Systems II: Express Briefs.pt_PT
oaire.citation.volume65pt_PT
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT

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