Univerzální filtr s proudovými sledovači a transkonduktančními zesilovači
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Date
2010-01-20
Authors
Jeřábek, Jan
Šotner, Roman
Vrba, Kamil
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Mark
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International Society for Science and Engineering, o.s.
Abstract
V článku je prezentováno zapojení univerzálního kmitočtového filtru s dvěma dvouvýstupovými proudovými sledovači (DO-CF), dvěma dvouvýstupovými transkonduktančními zesilovači (BOTA) a třemi pasivními prvky. Filtr je typu SIMO a disponuje nízkoimpedančním vstupním uzlem a vysokoimpedančními výstupy. V článku jsou zahrnuty výsledky simulací s behaviorálním modelem prvku UCC-N1B 0520 a makromodelem obvodu OPA861.
Universal filter with two dual-output current follower (DO-CF), two transconductance amplifiers (OTAs) and three passive elements is presented in this paper. Filter is single-input multiple-output (SIMO) type and operates in the current mode. Our solution utilizes low-impedance input node and high-impedance outputs. Paper contains simulation results that were obtained with help of behavioral model of the UCC-N1B 0520 element and OPA861 macromodel.
Universal filter with two dual-output current follower (DO-CF), two transconductance amplifiers (OTAs) and three passive elements is presented in this paper. Filter is single-input multiple-output (SIMO) type and operates in the current mode. Our solution utilizes low-impedance input node and high-impedance outputs. Paper contains simulation results that were obtained with help of behavioral model of the UCC-N1B 0520 element and OPA861 macromodel.
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cs
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(C) 2010 Elektrorevue