About: Analysis of noise and non-linearity of I-V characteristics of positive temperature coefficient chip thermistors

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About: Analysis of noise and non-linearity of I-V characteristics of positive temperature coefficient chip thermistors Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The noise spectroscopy and I-V characteristic non-linearity measurement were applied as diagnostic tools in order to characterize the volume and contact quality of positive temperature coefficient (PTC) chip sensors and to predict the mode of possible contact failure. Correctly made and stable contacts are crucial for proper sensing. I-V characteristics and time dependences of resistance were measured for studied sensors and, besides the samples with stable resistance value, the spike type resistance fluctuation was observed for some samples. These spikes often disappear after about 24 hours of voltage application. Linear I-V characteristics were measured for the samples with stable resistance. The resistance fluctuation of burst noise type was observed for some samples showing I-V characteristic dependent of the electric field orientation. We have found that the thermistors with high quality contacts has linear I-V characteristic, the noise spectral density is 1/f type and the third harmonic index is The noise spectroscopy and I-V characteristic non-linearity measurement were applied as diagnostic tools in order to characterize the volume and contact quality of positive temperature coefficient (PTC) chip sensors and to predict the mode of possible contact failure. Correctly made and stable contacts are crucial for proper sensing. I-V characteristics and time dependences of resistance were measured for studied sensors and, besides the samples with stable resistance value, the spike type resistance fluctuation was observed for some samples. These spikes often disappear after about 24 hours of voltage application. Linear I-V characteristics were measured for the samples with stable resistance. The resistance fluctuation of burst noise type was observed for some samples showing I-V characteristic dependent of the electric field orientation. We have found that the thermistors with high quality contacts has linear I-V characteristic, the noise spectral density is 1/f type and the third harmonic index is (en)
Title	Analysis of noise and non-linearity of I-V characteristics of positive temperature coefficient chip thermistors Analysis of noise and non-linearity of I-V characteristics of positive temperature coefficient chip thermistors (en)
skos:prefLabel	Analysis of noise and non-linearity of I-V characteristics of positive temperature coefficient chip thermistors Analysis of noise and non-linearity of I-V characteristics of positive temperature coefficient chip thermistors (en)
skos:notation	RIV/00216305:26220/13:PU106761!RIV14-GA0-26220___
http://linked.open...avai/predkladatel	Fakulta elektrotechniky a komunikačních technologií
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED1.1.00/02.0068), P(GAP102/11/0995)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Sita, Zdeněk Grmela, Lubomír Sedláková, Vlasta Šikula, Josef
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta elektrotechniky a komunikačních technologií
http://linked.open...dnocenehoVysledku	60594
http://linked.open...ai/riv/idVysledku	RIV/00216305:26220/13:PU106761
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	PTC chip sensors, noise spectroscopy, I-V characteristic non-linearity, quality evaluation (en)
http://linked.open.../riv/klicoveSlovo	quality evaluation I-V characteristic non-linearity PTC chip sensors noise spectroscopy
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[E478954309CC]
http://linked.open...i/riv/nazevZdroje	METROL MEAS SYST
http://linked.open...in/vavai/riv/obor	JA
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Central european institute of technology Electron transport, Noise and Diagnostic of Shottky and Autoemission Cathodes
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	XX
http://linked.open...iv/tvurceVysledku	Grmela, Lubomír Majzner, Jiří Sedlák, Petr Sedláková, Vlasta Šikula, Josef Sita, Zdeněk
issn	0860-8229
number of pages	10 (xsd:int)
http://localhost/t...ganizacniJednotka	26220

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