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Statements

Subject Item
n2:RIV%2F68407700%3A21230%2F10%3A00172299%21RIV11-MSM-21230___
rdf:type
n3:Vysledek skos:Concept
dcterms: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.
dcterms:title
Advanced Design and Optimization of Current Mode Blocks Advanced Design and Optimization of Current Mode Blocks
skos:prefLabel
Advanced Design and Optimization of Current Mode Blocks Advanced Design and Optimization of Current Mode Blocks
skos:notation
RIV/68407700:21230/10:00172299!RIV11-MSM-21230___
n4:aktivita
n12:S
n4:aktivity
S
n4:cisloPeriodika
3
n4:dodaniDat
n8:2011
n4:domaciTvurceVysledku
n11:6975054 n11:5363810
n4:druhVysledku
n14:J
n4:duvernostUdaju
n9:S
n4:entitaPredkladatele
n17:predkladatel
n4:idSjednocenehoVysledku
245499
n4:idVysledku
RIV/68407700:21230/10:00172299
n4:jazykVysledku
n10:eng
n4:klicovaSlova
video-filter; current mode blocks; differential evolution
n4:klicoveSlovo
n5:current%20mode%20blocks n5:video-filter n5:differential%20evolution
n4:kodStatuVydavatele
CZ - Česká republika
n4:kontrolniKodProRIV
[B5318097A43A]
n4:nazevZdroje
ElectroScope
n4:obor
n13:JA
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
2
n4:rokUplatneniVysledku
n8:2010
n4:svazekPeriodika
2010
n4:tvurceVysledku
Martinek, Pravoslav Valenta, Milan
s:issn
1802-4564
s:numberOfPages
4
n15:organizacniJednotka
21230