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Description
| - This paper describes a way to eliminate the effect of circuit nonidealities on the magnitude frequency response of a circuit utilizing the switched-current technique. The circuit realizes a band-pass filter. The elimination is carried out by optimization based on one of evolutionary algorithms - the differential evolution. The nonidealities are nonzero on-state resistance of the switches and nonzero output conductance of the field-effect transistors implementing the current sources. It is shown that the filter with the current source transconductance values designed according to a common method for ideal components has a significantly different magnitude frequency response when the nonidealities are considered. Hence, the optimization is applied to finding suitable transconductance values so that the difference between the magnitude frequency responses of the ideal and nonideal filter is minimized.
- This paper describes a way to eliminate the effect of circuit nonidealities on the magnitude frequency response of a circuit utilizing the switched-current technique. The circuit realizes a band-pass filter. The elimination is carried out by optimization based on one of evolutionary algorithms - the differential evolution. The nonidealities are nonzero on-state resistance of the switches and nonzero output conductance of the field-effect transistors implementing the current sources. It is shown that the filter with the current source transconductance values designed according to a common method for ideal components has a significantly different magnitude frequency response when the nonidealities are considered. Hence, the optimization is applied to finding suitable transconductance values so that the difference between the magnitude frequency responses of the ideal and nonideal filter is minimized. (en)
- Tento článek popisuje způsob, jak odstranit vliv obvodových neidealit na modulovou kmitočtovou charakteristiku obvodu využívajícího techniku spínaných proudů. Obvod realizuje pásmovou propust. Odstranění je provedeno optimalizací založenou na jednom z evolučních algoritmů - na diferenciální evoluci. Obvodovými neidealitami jsou nenulový odpor spínačů v sepnutém stavu a nenulová výstupní vodivost polem řízených tranzistorů pracujících jako proudové zdroje. Je ukázáno, že filtr s hodnotami transkonduktancí proudových zdrojů navrženými podle běžné metody pro ideální součástky má značně odlišnou modulovou kmitočtovou charakteristiku, když jsou tyto neideality uvažovány. Je proto použita optimalizace, aby se nalezly hodnoty transkonduktancí takové, že je minimalizován rozdíl mezi modulovými kmitočtovými charakteristikami ideálního a neideálního filtru. (cs)
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Title
| - Switched-Current Filter Optimization Based on Evolutionary Algorithms
- Switched-Current Filter Optimization Based on Evolutionary Algorithms (en)
- Optimalizace filtru se spínanými proudy založená na evolučních algoritmech (cs)
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skos:prefLabel
| - Switched-Current Filter Optimization Based on Evolutionary Algorithms
- Switched-Current Filter Optimization Based on Evolutionary Algorithms (en)
- Optimalizace filtru se spínanými proudy založená na evolučních algoritmech (cs)
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skos:notation
| - RIV/68407700:21230/07:03131896!RIV08-GA0-21230___
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http://linked.open.../vavai/riv/strany
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
| - P(GA102/07/1186), Z(MSM6840770014)
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/68407700:21230/07:03131896
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - differential evolution; evolutionary algorithm; optimization; switched-current circuit (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...ontrolniKodProRIV
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http://linked.open...v/mistoKonaniAkce
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http://linked.open...i/riv/mistoVydani
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http://linked.open...i/riv/nazevZdroje
| - Proceedings of 2007 European Conference on Circuit Theory and Design
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...iv/tvurceVysledku
| - Hospodka, Jiří
- Dolívka, Lukáš
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http://linked.open...vavai/riv/typAkce
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http://linked.open.../riv/zahajeniAkce
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http://linked.open...n/vavai/riv/zamer
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number of pages
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http://purl.org/ne...btex#hasPublisher
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https://schema.org/isbn
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http://localhost/t...ganizacniJednotka
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