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AuthorRajabzadeh, Mahdidc.contributor.author
AuthorBecker, Joachimdc.contributor.author
AuthorOrtmanns, Mauritsdc.contributor.author
Date of accession2019-11-19T13:40:42Zdc.date.accessioned
Available in OPARU since2019-11-19T13:40:42Zdc.date.available
Date of first publication2017-03-29dc.date.issued
AbstractIn this paper, single-bit sigma-delta modulator based digital-analog conversion (DAC) is evaluated as potential driver in multichannel electrical impedance spectroscopy (EIS) arrays. The sinusoidal excitation with typical frequency range of a few Hz to a few MHz is a challenging task, which only very few state of the art implementations are even able to realize on chip, where the corresponding DAC consumes major amounts of area and power. Sigma-delta modulators offer signal generation with 1-bit representation, which could be advantageously multiplexed, distributed, and used on switches to generate analog output; thus its use could potentially lower the area and power consumption. This paper investigates the use of a single-bit sigma-delta DAC as direct driver for EIS experiments. Performances and limitations of the proposed system are experimentally analyzed and discussed. EIS experiments of micro-electrodes could be successfully conducted in a range from 20 Hz to 1 MHz and matched with reference measurements to better than 95 % accuracy.dc.description.abstract
Languageen_USdc.language.iso
PublisherUniversität Ulmdc.publisher
LicenseStandard (ohne Print-on-Demand)dc.rights
Link to license texthttps://oparu.uni-ulm.de/xmlui/license_opod_v1dc.rights.uri
KeywordMultichanneldc.subject
KeywordSingle-bit sigma-delta modulatordc.subject
KeywordElectrical impedance spectroscopydc.subject
Dewey Decimal GroupDDC 620 / Engineering & allied operationsdc.subject.ddc
LCSHDriverdc.subject.lcsh
LCSHImpedance spectroscopydc.subject.lcsh
TitleEvaluation of single-bit sigma-delta modulator DAC for electrical impedance spectroscopydc.title
Resource typeBeitrag zu einer Konferenzdc.type
VersionacceptedVersiondc.description.version
DOIhttp://dx.doi.org/10.18725/OPARU-22387dc.identifier.doi
URNhttp://nbn-resolving.de/urn:nbn:de:bsz:289-oparu-22443-2dc.identifier.urn
GNDMehrkanalübertragungdc.subject.gnd
GNDSigma-Delta-Wandlerdc.subject.gnd
GNDImpedanzspektroskopiedc.subject.gnd
FacultyFakultät für Ingenieurwissenschaften, Informatik und Psychologieuulm.affiliationGeneral
InstitutionInstitut für Mikroelektronikuulm.affiliationSpecific
Peer reviewjauulm.peerReview
DCMI TypeTextuulm.typeDCMI
CategoryPublikationenuulm.category
DOI of original publication10.1109/BIOCAS.2017.8325063dc.relation1.doi
Source - Title of source2017 IEEE Biomedical Circuits and Systems Conference (BioCAS)source.title
Quellenangabe - HerausgeberInstitute of Electrical and Electronics Engineerssource.contributor.editor1
Source - Place of publicationInstitute of Electrical and Electronics Engineerssource.publisher
Source - Volume2017source.volume
Source - Year2017source.year
Source - ISBN978-1-5090-5803-7source.identifier.isbn
Source - ISBN978-1-5090-5802-0source.identifier.isbn
Source - ISBN978-1-5090-5804-4source.identifier.isbn
FundingGRK 2203 / Mikro- und nanoskalige Sensorik für die Lunge (PULMOSENS) / DFG / GRK / 278012962uulm.funding
Conference nameIEEE Biomedical Circuits and Systems Conference 2017 (BioCAS)uulm.conferenceName
Conference placeTurinuulm.conferencePlace
Conference start date2017-10-19uulm.conferenceStartDate
Conference end date2017-10-21uulm.conferenceEndDate
University Bibliographyjauulm.unibibliographie


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