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A family of alternating current amplifiers for ultra-low frequency operation
dc.creator | Martincorena Arraiza, Maite | es_ES |
dc.creator | Carlosena García, Alfonso | es_ES |
dc.creator | Cruz Blas, Carlos Aristóteles de la | es_ES |
dc.creator | Beloso Legarra, Javier | es_ES |
dc.creator | López Martín, Antonio | es_ES |
dc.date.accessioned | 2021-12-28T10:44:59Z | |
dc.date.available | 2021-12-28T10:44:59Z | |
dc.date.issued | 2021 | |
dc.identifier.issn | 0098-9886 | |
dc.identifier.uri | https://hdl.handle.net/2454/41489 | |
dc.description.abstract | A family of capacitively coupled alternating current (AC) amplifiers featuring ultra-low (below 1 Hz) corner frequency is presented. This is achieved by using high-gain devices which actively boost feedback resistance and thus reduce corner frequency. This procedure is often termed, though with a different purpose, as 'bootstrapping'. The proposed architectures are very general and admit several possible practical implementations. To demonstrate their usefulness, the circuits are implemented with two operational amplifiers (OA), but other active devices such as operational transconductance amplifiers (OTAs) can be alternatively used. All circuits have been theoretically analyzed, extensively simulated and measured, exhibiting high-pass cutoff frequencies as low as 30 mHz. | en |
dc.description.sponsorship | This work was supported by AEI/FEDER (Grant PID2019‐107258RB‐C32), Ministry of Universities (grant BES‐2017‐080418), and Public University of Navarra. | en |
dc.format.extent | 11 p. | |
dc.format.mimetype | application/pdf | en |
dc.language.iso | eng | en |
dc.publisher | Wiley | en |
dc.relation.ispartof | International Journal of Circuit Theory and Applications, Volume 49, Issue 10 | en |
dc.rights | © 2021 The Authors. Creative Commons Attribution‐NonCommercial‐NoDerivs License | es_ES |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | |
dc.subject | AC amplifiers | en |
dc.subject | Biosignal amplifiers | en |
dc.subject | Bootstrapping | en |
dc.subject | DC-blocking | en |
dc.subject | High-pass amplifiers | en |
dc.subject | Network transformation | en |
dc.subject | Nullors | en |
dc.title | A family of alternating current amplifiers for ultra-low frequency operation | en |
dc.type | Artículo / Artikulua | es |
dc.type | info:eu-repo/semantics/article | en |
dc.contributor.department | Ingeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio Ingeniaritzaren | eu |
dc.contributor.department | Institute of Smart Cities - ISC | en |
dc.contributor.department | Ingeniería Eléctrica, Electrónica y de Comunicación | es_ES |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | en |
dc.rights.accessRights | Acceso abierto / Sarbide irekia | es |
dc.identifier.doi | 10.1002/cta.3122 | |
dc.relation.projectID | info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2019-107258RB-C32/ES/ | en |
dc.relation.projectID | info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/BES-2017-080418 | en |
dc.relation.publisherversion | http://doi.org/10.1002/cta.3122 | |
dc.type.version | info:eu-repo/semantics/publishedVersion | en |
dc.type.version | Versión publicada / Argitaratu den bertsioa | es |
dc.contributor.funder | Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoa | es |