The CMOS Highly Linear Current Amplifier with Current Controlled Gain for Sensor Measurement Applications

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dc.contributor.authorProkop, Romancs
dc.contributor.authorŠotner, Romancs
dc.contributor.authorKledrowetz, Vilémcs
dc.coverage.issue16cs
dc.coverage.volume20cs
dc.date.issued2020-08-18cs
dc.description.abstractThis paper introduces a new current-controlled current-amplifier suitable for precise measurement applications. This amplifier was developed with strong emphasis on linearity leading to low total harmonic distortion (THD) of the output signal, and on linearity of the gain control. The presented circuit is characterized by low input and high output impedances. Current consumption is significantly smaller than with conventional quadratic current multipliers and is comparable in order to the maximum processed input current, which is +/- 200 mu A. This circuit is supposed to be used in many sensor applications, as well as a precise current multiplier for general analog current signal processing. The presented amplifier (current multiplier) was designed by an uncommon topology based on linear sub-blocks using MOS transistors working in their linear region. The described circuit was designed and fabricated in a C035 I3T25 0.35-mu m ON Semiconductor process because of the demand of the intended application for higher supply voltage. Nevertheless, the topology is suitable also for modern smaller CMOS technologies and lower supply voltages. The performance of the circuit was verified by laboratory measurement with parameters comparable to the Cadence simulation results and presented here.en
dc.formattextcs
dc.format.extent1-23cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationSENSORS. 2020, vol. 20, issue 16, p. 1-23.en
dc.identifier.doi10.3390/s20164653cs
dc.identifier.issn1424-8220cs
dc.identifier.orcid0000-0002-5029-9878cs
dc.identifier.orcid0000-0002-2430-1815cs
dc.identifier.orcid0000-0002-6720-1224cs
dc.identifier.other165501cs
dc.identifier.researcheridA-5228-2017cs
dc.identifier.researcheridG-4209-2017cs
dc.identifier.researcheridA-1777-2017cs
dc.identifier.scopus21834721500cs
dc.identifier.scopus37461587200cs
dc.identifier.urihttp://hdl.handle.net/11012/195244
dc.language.isoencs
dc.publisherMDPIcs
dc.relation.ispartofSENSORScs
dc.relation.urihttps://www.mdpi.com/1424-8220/20/16/4653/htmcs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1424-8220/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectcurrent amplifieren
dc.subjectcurrent controlled gainen
dc.subjectaccuracyen
dc.subjectlinearityen
dc.subjectCMOSen
dc.subjectelectronic controlen
dc.subjectsensor signal processingen
dc.titleThe CMOS Highly Linear Current Amplifier with Current Controlled Gain for Sensor Measurement Applicationsen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-165501en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:40:58en
sync.item.modts2025.01.17 15:16:12en
thesis.grantorVysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií. Ústav radioelektronikycs
thesis.grantorVysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií. Ústav mikroelektronikycs
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