About: Advanced Design and Optimization of Current Mode Blocks

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This article deals with modifications and optimization of the current mode blocks for an analog part of the video signal preprocessing unit. The blocks of our interest are the Current Conveyor as the basic functional block for current mode filters and the Caprio structure translated to CMOS for an implementation of low input impedance differential current input. The topology of the current conveyor was modified to enlarge output impedance and bandwidth. The Caprio structure was, in the first step, modified to operate as a current follower in the CMOS process. After the hand setting of the circuit parameters of both structures, they were optimized to improve their operation via Differential Evolution algorithm. The proposed blocks were simulated in 0.25 um CMOS process and they operate from under 1.8 V of symmetrical supply voltage. Along with the transconductance amplifiers, the investigated structures will be utilized in current mode anti-aliasing filter for the video applications. This article deals with modifications and optimization of the current mode blocks for an analog part of the video signal preprocessing unit. The blocks of our interest are the Current Conveyor as the basic functional block for current mode filters and the Caprio structure translated to CMOS for an implementation of low input impedance differential current input. The topology of the current conveyor was modified to enlarge output impedance and bandwidth. The Caprio structure was, in the first step, modified to operate as a current follower in the CMOS process. After the hand setting of the circuit parameters of both structures, they were optimized to improve their operation via Differential Evolution algorithm. The proposed blocks were simulated in 0.25 um CMOS process and they operate from under 1.8 V of symmetrical supply voltage. Along with the transconductance amplifiers, the investigated structures will be utilized in current mode anti-aliasing filter for the video applications. (en)
Title	Advanced Design and Optimization of Current Mode Blocks Advanced Design and Optimization of Current Mode Blocks (en)
skos:prefLabel	Advanced Design and Optimization of Current Mode Blocks Advanced Design and Optimization of Current Mode Blocks (en)
skos:notation	RIV/68407700:21230/10:00172299!RIV11-MSM-21230___
http://linked.open...avai/riv/aktivita	S
http://linked.open...avai/riv/aktivity	S
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Valenta, Milan Martinek, Pravoslav
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	České vysoké učení technické v Praze / Fakulta elektrotechnická
http://linked.open...dnocenehoVysledku	245499
http://linked.open...ai/riv/idVysledku	RIV/68407700:21230/10:00172299
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	video-filter; current mode blocks; differential evolution (en)
http://linked.open.../riv/klicoveSlovo	differential evolution current mode blocks video-filter
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[B5318097A43A]
http://linked.open...i/riv/nazevZdroje	ElectroScope
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	2010
http://linked.open...v/svazekPeriodika	2010
http://linked.open...iv/tvurceVysledku	Martinek, Pravoslav Valenta, Milan
issn	1802-4564
number of pages	4 (xsd:int)
http://localhost/t...ganizacniJednotka	21230

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