Low power measurement of low resistances by simple lock-in amplifier

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dc.contributor.authorŠvarný, Jiří
dc.contributor.authorHandrejch, Jan
dc.date.accessioned2025-06-20T08:35:15Z
dc.date.available2025-06-20T08:35:15Z
dc.date.issued2024
dc.date.updated2025-06-20T08:35:15Z
dc.description.abstractThe paper is focused on unconventional low power method of measurement of very low resistances by means of a lock-in amplifier. There is explained the principle of a lock-in amplifier, design and implementation of simple lock-in amplifier with AD630 integrated circuit and implementation of a special shielded measuring chamber for sample connection as well. Subsequently, calibration process of the measuring system and comparative measurement on several samples of low value resistors is described. The results reveal ability to measure very low resistances by means of currents values that are many orders lower than in case of standard DC Ohm´s law method.en
dc.format5
dc.identifier.document-number001345150300015
dc.identifier.doi10.1109/Diagnostika61830.2024.10693897
dc.identifier.isbn979-8-3503-6149-0
dc.identifier.issn2464-7071
dc.identifier.obd43943995
dc.identifier.orcidŠvarný, Jiří 0000-0002-3284-8757
dc.identifier.orcidHandrejch, Jan 0009-0007-7903-5757
dc.identifier.urihttp://hdl.handle.net/11025/60259
dc.language.isoen
dc.publisherIEEE
dc.relation.ispartofseries16th International Conference on Diagnostics in Electrical Engineering, Diagnostika 2024
dc.subjectlock-in amplifieren
dc.subjectlow resistance measurementen
dc.subjectlow power resistance measurementen
dc.subjectmilliohm-meteren
dc.titleLow power measurement of low resistances by simple lock-in amplifieren
dc.typeStať ve sborníku (D)
dc.typeSTAŤ VE SBORNÍKU
dc.type.statusPublished Version
local.files.count1*
local.files.size608402*
local.has.filesyes*
local.identifier.eid2-s2.0-85207050109

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