About: Electronically tuneable first-order allpass filters and their application to quadrature oscillators

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Projekt, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	http://linked.opendata.cz/ontology/domain/vavai/Projekt
rdfs:seeAlso	http://www.isvav.cz/projectDetail.do?rowId=GPP102/11/P489
Description	First-order allpass (AP) filters and quadrature sinusoidal oscillators (QSOs) are basic building blocks that are widely used in analogue signal processing. Nowadays, in the current technical literature considerable attention is paid on such AP filters that depending on the type of input and output operational modes have low or infinity input/output impedances, consists of only one active element and one grounded capacitor, and provides electronic control of natural frequency simultaneously. Therefore, employing modern active elements such as voltage conveyors, ECCII, VGCCII, VCG-CCII, CDTA, CFTA, ZC-CG-CDBA, etc., the aim of this project is to propose and publish such circuits that fulfil all given requirements. For this purpose different design methods will be analyzed and used. Subsequently, using AP filters found quadrature sinusoidal oscillator will also be designed. Prospective circuit solutions will be systematically analyzed by computer simulations and furthermore by experimental measurements. (en) Fázovací články prvního řádu a kvadraturní sinusoidní oscilátory jsou základními stavebními bloky, které jsou často používány při zpracování analogového signálu. V součastné době je v odborné literatuře věnována značná pozornost na návrh takových fázovacích článků, které v závislosti na vstupně-výstupním pracovním módu mají nulovou nebo nekonečnou vstupní a/nebo výstupní impedanci, využívají jediný aktivní prvek, jediný uzemněný kapacitor a součastně dovolují elektronické řízení charakteristického kmitočtu. Využitím moderních aktivních prvků, jako jsou napěťové konvejory, ECCII, VGCCII, VCG-CCII, CDTA, CFTA, ZC-CG-CDBA atd., cílem projektu je navrhnout a prezentovat takové obvody, které splní všechny dané požadavky. K tomuto účelu budou analyzovány a využívány různé návrhové metody. Následně využitím nalezených fázovacích článků budou také realizovány kvadraturní sinusoidní oscilátory. Perspektivní obvodová řešení budou systematicky analyzována pomocí počítačových simulací a dále experimentálními měřeními.
Title	Electronically tuneable first-order allpass filters and their application to quadrature oscillators (en) Elektronicky řiditelné fázovací články prvního řádu a jejich aplikace v kvadraturních oscilátorech
skos:notation	GPP102/11/P489
http://linked.open...avai/cep/aktivita	Post-graduate (doctorate) grants
http://linked.open...kovaStatniPodpora	http://linked.opendata.cz/resource/domain/vavai/projekt/GPP102%2F11%2FP489/celkovaStatniPodpora
http://linked.open...ep/celkoveNaklady	http://linked.opendata.cz/resource/domain/vavai/projekt/GPP102%2F11%2FP489/celkoveNaklady
http://linked.open...datumDodatniDoRIV	2014-06-25 (xsd:date)
http://linked.open...i/cep/druhSouteze	VS - Veřejná soutěž ve výzkumu a vývoji
http://linked.open...ep/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open.../cep/fazeProjektu	100661953
http://linked.open...ai/cep/hlavniObor	JA - Elektronika a optoelektronika, elektrotechnika
http://linked.open...hodnoceniProjektu	V - Vynikající výsledky (s mezinárodním významem apod.). Zároveň byly splněny cíle a předpokládané výsledky uvedené ve smlouvě / rozhodnutí o poskytnutí podpory.
http://linked.open...vai/cep/kategorie	ZV - Základní výzkum
http://linked.open.../cep/klicovaSlova	Analogue signal processing allpass filter electronic tuning quadrature oscillator (en)
http://linked.open...ep/partnetrHlavni	Fakulta elektrotechniky a komunikačních technologií
http://linked.open...inujicichPrijemcu	0 (xsd:int)
http://linked.open...cep/pocetPrijemcu	1 (xsd:int)
http://linked.open...ocetSpoluPrijemcu	0 (xsd:int)
http://linked.open.../pocetVysledkuRIV	57 (xsd:int)
http://linked.open...enychVysledkuVRIV	57 (xsd:int)
http://linked.open...lneniVMinulemRoce	2013-06-12 (xsd:date)
http://linked.open.../prideleniPodpory	http://linked.opendata.cz/resource/domain/vavai/cep/prideleniPodpory/P102-11-P489
http://linked.open...iciPoslednihoRoku	2013
http://linked.open...atUdajeProjZameru	2014
http://linked.open.../vavai/cep/soutez	SGA02011GA1PD
http://linked.open...usZobrazovaneFaze	DUU
http://linked.open...ai/cep/typPojektu	P - Projekt výzkumu a vývoje financovaný ze státního rozpočtu
http://linked.open...ep/ukonceniReseni	2013-12-31 (xsd:date)
http://linked.open...ep/zahajeniReseni	2011-01-01 (xsd:date)
http://linked.open...jektu+dodavatelem	Odborný přínos projektu spočívá v návrhu a experimentálním ověření nových struktur fázovacích článků a oscilátorů s moderními typy aktivních prvků. Údaje a výsledky řešitele jsou adekvátní. Intenzivně spolupracuje s experty ze zahraničí; výstupy mají možný přímý dopad na praxi i výchovu studentů. Publikační výstupy kvantitativně a zejména kvalitativně výrazně překračují meze běžné pro obor. (cs) Professional contribution of the project is based on design and experimental verification of allpass filters and oscillators with modern active components. The researcher’s data are sufficient. He cooperates to foreign experts; his results could directly influence both praxis and education. Publication outputs are quantitative and mostly qualitative far above the branch standards. (en)
http://linked.open...tniCyklusProjektu	ZBKU
is http://linked.open...vavai/riv/projekt of	Design of Novel Precise Quadrature Oscillators Employing ECCIIs with Electronic Control New double current controlled CFA (DCC-CFA) based voltage-mode oscillator with independent electronic control of oscillation condition and frequency Novel Oscillator Based on Voltage and Current-Gain Adjusting Used for Control of Oscillation Frequency and Oscillation Condition New resistorless tunable voltage-mode universal filter using single VDIBA New Current-Mode All-Pass Filter With Grounded Capacitor Based on Gain-Variable CCIII New Compact VM Four-Phase Oscillator Employing Only Single Z-Copy VDTA And All Grounded Passive Elements New Resistorless and Electronically Tunable Realization of Dual-Output VM All-Pass Filter Using VDIBA Grounded Voltage Controlled Positive Resistor with Ultra Low Power Consumption Voltage-Mode Multiphase Sinusoidal Oscillators Using CBTAs Voltage-Controlled Current-Mode Multifunction Filter Employing CFTAs and PCAs Electronically Tunable MOSFET-C Voltage-Mode All-Pass Filter Based on Universal Voltage Conveyor Lossless Grounded Inductance Simulation Using Only One Modified Dual Output DDCC Resistorless Cascadable Voltage-Mode All-Pass Filter A Voltage Gain-Controlled Modified CFOA And Its Application in Electronically Tunable Four-Mode All-Pass Filter Design A Novel Current-Mode KHN-Equivalent Biquad Using Three CFTAs A CMOS DCCII with a Grounded Capacitor Based Cascadable All-Pass Filter Application An Additional Approach to Model Current Followers and Amplifiers with Electronically Controllable Parameters from Commercially Available ICs Cascadable All-Pass Filter Using a Single Universal Voltage Conveyor Realization of first-order current-mode filters with low number of MOS transistors Current-Mode Multifunction Filter Using Single Multi-Output Current Amplifier Current Follower Transconductance Amplifier (CFTA) - A Useful Building Block for Analog Signal Processing Supplementary First-Order All-Pass Filters with Two Grounded Passive Elements Using FDCCII Voltage-Mode All-Pass Filters Using Universal Voltage Conveyor and MOSFET-Based Electronic Resistors Voltage-Mode MOS-Only All-Pass Filter Electronically Adjustable Modification of CFA: Double Current Controlled CFA (DCC-CFA) High Performance Wideband CMOS CCI with High Voltage Swing High Performance Wideband CMOS CCI and its Application in Inductance Simulator Design Quadrature Oscillator Based on Modified Double Current Controlled Current Feedback Amplifier Realization of Resistorless Lossless Positive and Negative Grounded Inductor Simulators Using Single ZC-CCCITA SIFO Voltage-Mode Universal Filters Employing TO-CCIIs Single GCFDITA and Grounded Passive Elements Based General Topology for Analog Signal Processing Applications Electronically controlled oscillator with linear frequency adjusting for four-phase or differential quadrature output signal generation Low-Voltage CMOS-RC Fully Cascadable Transadmittance-Mode All-Pass Filter A New Compact CMOS Realization of Sinusoidal Oscillator Using a Single Modified CBTA CMOS-based active RC sinusoidal oscillator with four-phase quadrature outputs and single-resistance-controlled (SRC) tuning laws Fully Cascadable Dual-Mode All-Pass Filter Based on Single DBTA Lossy/Lossless Floating/Grounded Inductance Simulation Using One DDCC Low-Voltage Two NMOS IVB-Based Voltage-Mode First-Order All-Pass Filter With Tuning Special Type of Three-Phase Oscillator Using Current Gain Control for Amplitude Stabilization A Modified CFTA (MCFTA) and Its Application to SITO-Type Current-Mode Universal Active-C Filter Novel Voltage Conveyor With Electronic Tuning And Its Application to Resistorless All-Pass Filter Novel Floating FDNR, Inductor and Capacitor Simulator Using CBTA New MOS-C Realization of Transadmittance Type All-Pass Filter Using Modified CBTA Novel Resistorless Dual-Output VM All-Pass Filter Employing VDIBA Study of Adjustable Gains for Control of Oscillation Frequency and Oscillation Condition in 3R-2C Oscillator A Low-Voltage Electronically Tunable MOSFET-C Voltage-Mode First-Order All-Pass Filter Design New Floating Lossless Inductance Simulator Using Z-copy Current Follower Transconductance Amplifiers Novel Floating General Element Simulators Using CBTA Novel Dual-Mode Electronically Tunable All-Pass Filter Using Voltage Gain-Controlled MCFOA Resistorless Current-Mode All-Pass Section Using Third-Generation Current Controlled Conveyor VDDDA - New 'Voltage Differencing' Device for Analog Signal Processing Voltage Differencing Buffered/Inverted Amplifiers and Their Applications for Signal Generation DCCII Based Inductance Simulator Circuit with Minimum Number of Element Current and Voltage Mode Multiphase Sinusoidal Oscillators Using CBTAs DCCII-Based Novel Lossless Grounded Inductance Simulators With No Element Matching Constrains Precise Electronically Adjustable Oscillator Suitable for Quadrature Signal Generation Employing Active Elements with Current and Voltage Gain Control Tunable Oscillator Derived from Colpitts Structure with Simply Controllable Condition of Oscillation and Synthetic Inductor Based on Current Amplifier and Voltage Differencing Transconductance Amplifier
is http://linked.open...vavai/cep/projekt of	http://linked.opendata.cz/resource/domain/vavai/cep/ucast/GPP102%2F11%2FP489/2011/orjk%3A26220 http://linked.opendata.cz/resource/domain/vavai/cep/ucast/GPP102%2F11%2FP489/2012/orjk%3A26220 http://linked.opendata.cz/resource/domain/vavai/cep/ucast/GPP102%2F11%2FP489/2013/orjk%3A26220 http://linked.opendata.cz/resource/domain/vavai/cep/ucast/GPP102%2F11%2FP489/2014/orjk%3A26220

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