About: Frequency Spectrum Correction Method for the ADC Testing

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Není k dispozici (cs) The main issue of high resolution ADC testing in the frequency range from hundreds of kHz to several MHz is the spectral purity of a testing signal. Commercial low distortion generators can operate only up to the frequency of one or two hundreds of kHz; generators operating in higher frequency range have generally the spectral purity worse than the one corresponding to the ADC resolution. Some improvements can be brought by filtering of the testing signal. Most of the LC filters for the frequency range up to several MHz contain coils with ferromagnetic cores. This causes the rise of higher harmonic components. If those components are known or determined by measurement, they can be subtracted from the frequency spectrum measured by the tested ADC. In the ideal case, only a frequency spectrum corresponding to the ADC non-linearity remains. The measurement system designed for frequency spectrum correction and the first results achieved by applying this method are introduced in the paper. The main issue of high resolution ADC testing in the frequency range from hundreds of kHz to several MHz is the spectral purity of a testing signal. Commercial low distortion generators can operate only up to the frequency of one or two hundreds of kHz; generators operating in higher frequency range have generally the spectral purity worse than the one corresponding to the ADC resolution. Some improvements can be brought by filtering of the testing signal. Most of the LC filters for the frequency range up to several MHz contain coils with ferromagnetic cores. This causes the rise of higher harmonic components. If those components are known or determined by measurement, they can be subtracted from the frequency spectrum measured by the tested ADC. In the ideal case, only a frequency spectrum corresponding to the ADC non-linearity remains. The measurement system designed for frequency spectrum correction and the first results achieved by applying this method are introduced in the paper. (en)
Title	Není k dispozici (cs) Frequency Spectrum Correction Method for the ADC Testing Frequency Spectrum Correction Method for the ADC Testing (en)
skos:prefLabel	Není k dispozici (cs) Frequency Spectrum Correction Method for the ADC Testing Frequency Spectrum Correction Method for the ADC Testing (en)
skos:notation	RIV/68407700:21230/04:03098637!RIV/2005/MSM/212305/N
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM 210000015)
http://linked.open...vai/riv/dodaniDat	2005
http://linked.open...aciTvurceVysledku	Slepička, David Haasz, Vladimír
http://linked.open.../riv/druhVysledku	A(V) - Audiovizuální tvorba se vzdáleným přístupem
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta elektrotechnická
http://linked.open...dnocenehoVysledku	564920
http://linked.open...ai/riv/idVysledku	RIV/68407700:21230/04:03098637
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	AD module; ADC testing; correction; testing signal (en)
http://linked.open.../riv/klicoveSlovo	ADC testing correction AD module testing signal
http://linked.open...i/riv/kodPristupu	L
http://linked.open...ontrolniKodProRIV	[FD5CE6569396]
http://linked.open...i/riv/mistoVydani	Como
http://linked.open...n/vavai/riv/nosic	04CH37510C
http://linked.open...in/vavai/riv/obor	JA
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...UplatneniVysledku	2004
http://linked.open...iv/tvurceVysledku	Slepička, David Haasz, Vladimír
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20210000015
https://schema.org/isbn	0-7803-8249-8
http://localhost/t...ganizacniJednotka	21230

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