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Description
  • Článek popisuje novou architekturu převodníku sigma-delta vyššího řádu pro senzorové měření. Převodník s dvoustupňovým kvantovacím procesem je využit jako vícebitový kvantovací obvod.Prezentována acrhitektura byla namodelována v prostředí Matlab Simulink.V článku je také prezentován návrh decimačního filtru pro danou architekturu modulátoru sigma-delta. (cs)
  • This paper presents a novel architecture of high-order single-stage sigma-delta (ΣΔ) converter for sensor measurement. The two-step quantization technique was utilized to design of novel architecture of ΣΔ modulator. The time steps are interleaved to achieve resolution improvement without decreasing of conversion speed. This technique can be useful for low oversampling ratio. The novel architecture was designed to obtain high dynamic range of input signal, high signal-to-noise ratio and high reliability. This paper describes steps involved in a new VHDL design of a decimation filter for a ΣΔ modulator. Parameters of decimation filter are derived from the specifications of the overall ΣΔ modulator. The proposed architecture of switched-capacitor (SC) ΣΔ modulator was simulated with nonidealities blocks, such as sampling jitter, noise, and operational amplifier parameters (white noise, finite dc gain, finite bandwidth, slew rate and saturation voltages).
  • This paper presents a novel architecture of high-order single-stage sigma-delta (ΣΔ) converter for sensor measurement. The two-step quantization technique was utilized to design of novel architecture of ΣΔ modulator. The time steps are interleaved to achieve resolution improvement without decreasing of conversion speed. This technique can be useful for low oversampling ratio. The novel architecture was designed to obtain high dynamic range of input signal, high signal-to-noise ratio and high reliability. This paper describes steps involved in a new VHDL design of a decimation filter for a ΣΔ modulator. Parameters of decimation filter are derived from the specifications of the overall ΣΔ modulator. The proposed architecture of switched-capacitor (SC) ΣΔ modulator was simulated with nonidealities blocks, such as sampling jitter, noise, and operational amplifier parameters (white noise, finite dc gain, finite bandwidth, slew rate and saturation voltages). (en)
Title
  • Modeling and Design of a Novel Architecture of Sigma-Delta Converter for Sensor Measurement
  • Modelování a návrh nové architektury modulátoru sigma-delta pro senzorové měření. (cs)
  • Modeling and Design of a Novel Architecture of Sigma-Delta Converter for Sensor Measurement (en)
skos:prefLabel
  • Modeling and Design of a Novel Architecture of Sigma-Delta Converter for Sensor Measurement
  • Modelování a návrh nové architektury modulátoru sigma-delta pro senzorové měření. (cs)
  • Modeling and Design of a Novel Architecture of Sigma-Delta Converter for Sensor Measurement (en)
skos:notation
  • RIV/00216305:26220/05:PU51427!RIV07-GA0-26220___
http://linked.open.../vavai/riv/strany
  • 148-153
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA102/05/0869), P(GD102/03/H105), Z(MSM0021630503)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 530555
http://linked.open...ai/riv/idVysledku
  • RIV/00216305:26220/05:PU51427
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • sigma-delta modulation, decimation filter, modeling (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [EE28D9A744A6]
http://linked.open...v/mistoKonaniAkce
  • Brno
http://linked.open...i/riv/mistoVydani
  • Brno
http://linked.open...i/riv/nazevZdroje
  • EDS'05 IMAPS CS INTERNATIONAL CONFERENCE PROCEEDINGS
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Fujcik, Lukáš
  • Vrba, Radimír
  • Mougel, Thibault
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
http://purl.org/ne...btex#hasPublisher
  • Ing. Zdeněk Novotný CSc.
https://schema.org/isbn
  • 80-214-2990-9
http://localhost/t...ganizacniJednotka
  • 26220
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