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1.
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7 p, 2.6 MB |
Broadband microstrip bandpass filter based on open complementary split ring resonators
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Vélez Rasero, Paris (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Naqui Garolera, Jordi (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Durán-Sindreu Viader, Miguel (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Bonache Albacete, Jordi (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Martín, Ferran (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
Broadband bandpass filters based on open complementary split ring resonators (OCSRRs) coupled through admittance inverters, and implemented in microstrip technology, are reported. As compared to other broadband filters based on open split ring resonators (OSRRs), ground plane etching is not necessary in the proposed filters. [...]
2012 -  10.1155/2012/174023
International journal of antennas and propagation, Vol. 2012, art. 174023
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2.
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15 p, 2.2 MB |
Highly-sensitive microwave sensors based on open complementary split ring resonators (OCSRRs) for dielectric characterization and solute concentration measurement in liquids
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Vélez Rasero, Paris (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Grenier, Katia (Centre national de la recherche scientifique. Laboratory of Analysis and Architecture of Systems) ;
Mata Contreras, Francisco Javier (Universidad de Málaga. Departamento de Ingeniería de Comunicaciones) ;
Dubuc, David (Centre national de la recherche scientifique. Laboratory of Analysis and Architecture of Systems) ;
Martín, Ferran, (Martín Antolín) (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
Differential permittivity sensors based on a pair of uncoupled microstrip lines, each one loaded with an open complementary split ring resonator (OCSRR), are proposed in this paper. The sensing principle is based on the measurement of the cross-mode insertion loss, very sensitive to asymmetric loading. [...]
2018 - 10.1109/ACCESS.2018.2867077
IEEE Access, Vol. 6 (2018) , p. 48324-48338
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3.
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12 p, 6.2 MB |
Analytical method to estimate the complex permittivity of oil samples
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Su, Lijuan (Universitat Autònoma de Barcelona. Departament d’Enginyeria Electrònica) ;
Mata Contreras, Francisco Javier (Universitat Autònoma de Barcelona. Departament d’Enginyeria Electrònica) ;
Vélez Rasero, Paris (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Fernández-Prieto, Armando (Universidad de Sevilla. Grupo de Microondas) ;
Martín, Ferran, (Martín Antolín) (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
In this paper, an analytical method to estimate the complex dielectric constant of liquids is presented. The method is based on the measurement of the transmission coefficient in an embedded microstrip line loaded with a complementary split ring resonator (CSRR), which is etched in the ground plane. [...]
2018 - 10.3390/s18040984
Sensors, Vol. 18, no. 4 (March 2018) , art. 984
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4.
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31 p, 1.9 MB |
The beauty of symmetry : common-mode rejection filters for high-speed interconnects and band microwave circuits
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Martín, Ferran, (Martín Antolín) (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Vélez Rasero, Paris (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Naqui Garolera, Jordi (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Fernández-Prieto, Armando (Universidad de Sevilla. Grupo de Microondas) ;
Bonache Albacete, Jordi (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Martel, Jesús (Universidad de Sevilla. Grupo de Microondas) ;
Medina, Francisco (Universidad de Sevilla. Grupo de Microondasº)
Common-mode rejection filters operating at microwave frequencies have been the subject of intensive research activity over the last decade. These filters are of interest for the suppression of common-mode noise in high-speed digital circuits, where differential signals are widely employed due to the high immunity to noise, electromagnetic (EM) interference, and crosstalk of differential-mode interconnects. [...]
2017 - 10.1109/MMM.2016.2616180
IEEE microwave magazine, Vol. 18, issue 1 (Feb. 2017) , p. 42-55
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5.
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14 p, 4.6 MB |
A review of sensing strategies for microwave sensors based on metamaterial-inspired resonators : dielectric characterization, displacement, and angular velocity measurements for health diagnosis, telecommunication, and space applications
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Su, Lijuan (Universitat Autònoma de Barcelona. Departament d’Enginyeria Electrònica) ;
Vélez Rasero, Paris (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Mata Contreras, Francisco Javier (Universitat Autònoma de Barcelona. Departament d’Enginyeria Electrònica) ;
Martín, Ferran, (Martín Antolín) (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
Four sensing approaches for the implementation of microwave sensors based on transmission lines loaded with metamaterial-inspired resonators are considered in this review paper, and examples of applications are pointed out. [...]
2017
International journal of antennas and propagation, Vol. 2017 (2017) , art. 5619728
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6.
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9 p, 1.4 MB |
Splitter/combiner microstrip sections loaded with pairs of complementary split ring resonators (CSRRs) : modeling and optimization for differential sensing applications
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Su, Lijuan (Universitat Autònoma de Barcelona. Departament d’Enginyeria Electrònica) ;
Mata Contreras, Francisco Javier (Universitat Autònoma de Barcelona. Departament d’Enginyeria Electrònica) ;
Vélez Rasero, Paris (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Martín, Ferran, (Martín Antolín) (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
This paper focuses on the analysis of splitter/ combiner microstrip sections where each branch is loaded with a complementary split ring resonator (CSRR). The distance between CSRRs is high, and hence, their coupling can be neglected. [...]
2016 - 10.1109/TMTT.2016.2623311
IEEE transactions on microwave theory and techniques, Vol. 64, issue 12 (2016) , p. 4362-4370
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7.
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11 p, 1.2 MB |
Microwave microfluidic sensor based on a microstrip splitter/combiner configuration and split ring resonators (SRRs) for dielectric characterization of liquids
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Vélez Rasero, Paris (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Su, Lijuan (Universitat Autònoma de Barcelona. Departament d’Enginyeria Electrònica) ;
Grenier, Katia (Centre national de la recherche scientifique) ;
Mata Contreras, Francisco Javier (Universitat Autònoma de Barcelona. Departament d’Enginyeria Electrònica) ;
Dubuc, David (Centre national de la recherche scientifique) ;
Martín, Ferran, (Martín Antolín) (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
A microwave microfluidic sensor for dielectric characterization of liquids in real time is presented in this paper. The sensor is implemented in microstrip technology and consists of a symmetric splitter/combiner configuration loaded with a pair of identical split ring resonators (SRRs) and microfluidic channels placed on top of them (gap region). [...]
2017 - 10.1109/JSEN.2017.2747764
IEEE sensors journal, Vol. 17 issue 20 (2017) , p. 6589-6598
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8.
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11 p, 3.3 MB |
Configurations of Splitter/Combiner Microstrip Sections Loaded with Stepped Impedance Resonators (SIRs) for Sensing Applications
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Su, Lijuan (Universitat Autònoma de Barcelona. Departament d’Enginyeria Electrònica) ;
Mata Contreras, Francisco Javier (Universitat Autònoma de Barcelona. Departament d’Enginyeria Electrònica) ;
Vélez Rasero, Paris (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Martín, Ferran, (Martín Antolín) (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
In this paper, several configurations of splitter/combiner microstrip sections loaded with stepped impedance resonators (SIRs) are analyzed. Such structures are useful as sensors and comparators, and the main aim of the paper is to show that the proposed configurations are useful for the optimization of sensitivity and discrimination. [...]
2016 - 10.3390/s16122195
Sensors, Vol. 16 Núm. 12 (2016) , art. 2195
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9.
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10.
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9 p, 2.5 MB |
Enhancing common-mode suppression in microstrip differential lines by means of chirped and multi-tuned electromagnetic bandgaps
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Vélez Rasero, Paris (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Valero, M. (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Su, Lijuan (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Naqui Garolera, Jordi (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Mata Contreras, Francisco Javier (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Bonache Albacete, Jordi (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
This article presents common-mode suppressed microstrip differential lines based on chirped electromagnetic bandgaps (EBGs). To achieve common-mode suppression in a wide band, the common-mode impedance is modulated following a sinusoidal chirping, whereas the differential-mode impedance is kept unaltered, thus ensuring that the line is transparent for that mode. [...]
2016 - 10.1002/mop.29552
Microwave and optical technology letters, Vol. 58, Issue 2 (Feb. 2016) , p. 328-332
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