Exploració per autor "Collado Gómez, Juan Carlos"
Ara es mostren els items 21-40 de 128
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Compact duplexer with miniaturized dual loop resonator
Collado Gómez, Juan Carlos; Pozo Vicente, Javier; Mateu Mateu, Jordi; O'Callaghan Castellà, Juan Manuel (Institute of Electrical and Electronics Engineers, 2005)
Text en actes de congrés
Accés obertThis work presents a very compact duplexer based on novel miniaturized loaded-close-loop dual resonators. Two different dual resonators are used to establish the two bands, corresponding to the transmitter and the receiver ... -
Comparison between nonlinear measurements in patterned and unpatterned thin films
Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; O'Callaghan Castellà, Juan Manuel (IOP PUBLISHING LTD, 2004-07-31)
Article
Accés obertThis work compares two alternative methods of characterizing the nonlinearities in a 10 × 10 mm2 superconducting thin film. Both methods are based on measuring the intermodulation distortion in high temperature superconducting ... -
Comparison of lossy filters and predistorted filters using novel software
Padilla Díaz, Alberto; Mateu Mateu, Jordi; Collado Gómez, Juan Carlos; Ernst, Cristoph; Rius Casals, Juan Manuel; Tamayo Palau, José María; O'Callaghan Castellà, Juan Manuel (IEEE Microwave Theory and Techniques Society, 2010)
Comunicació de congrés
Accés obert -
Comprehensive circuit model of auto-limiting superconductor devices and systems
Mateu Mateu, Jordi; Collado Gómez, Juan Carlos; Hueltes Escobar, Alberto; O'Callaghan Castellà, Juan Manuel; García Pastor, David; Perea Robles, Rafael; Joshi, N.; Lu, X.; Orloff, Nathan D.; Booth, James C. (Institute of Electrical and Electronics Engineers (IEEE), 2016)
Comunicació de congrés
Accés restringit per política de l'editorialThis paper presents a phenomenological equivalent circuit to model the phenomenon occurring when a section of superconducting transmission line transits from a superconducting state to a normal state. This phenomenon allows ... -
Comprehensive circuit model of autolimiting superconductor devices
Mateu Mateu, Jordi; Collado Gómez, Juan Carlos; Hueltes Escobar, Alberto; O'Callaghan Castellà, Juan Manuel; García Pastor, David; Perea Robles, Rafael; Joshi, N.; Lu, X.; Orloff, Nathan D.; Booth, James C. (2017-06-01)
Article
Accés obertThis paper presents a phenomenological equivalent circuit to model the phenomenon occurring when a section of superconducting transmission line transits from a superconducting state to a normal state. This phenomenon allows ... -
Comprehensive nonlinear characterization and modeling of a BAW duplexer
Collado Gómez, Juan Carlos; Mateu Mateu, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2019)
Comunicació de congrés
Accés restringit per política de l'editorialThis paper performs a comprehensive nonlinear modeling of a Bulk Acoustic Wave (BAW) duplexer operating at the band 7 of the LTE wireless communication standard. The modeling starts by an accurate characterization of the ... -
Correction to "Nonlinear Analysis of Disk Resonators: Application to Material Characterization and Filter Design
Mateu Mateu, Jordi; Collado Gómez, Juan Carlos; O'Callaghan Castellà, Juan Manuel (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2001-12-31)
Article
Accés obertA procedure for the numerical prediction of the microwave nonlinear behavior (intermodulation products, degradation of quality factors, etc.) of TM010 disk resonators has been developed. The procedure is based on relating ... -
Design and fabrication of coplanar YBCO structures on lithium niobate substrates
Rozan, Edouard; Collado Gómez, Juan Carlos; García, A.; O'Callaghan Castellà, Juan Manuel; Pous Andrés, Rafael; Fàbrega i Soler, Lluís; Rius Casals, Juan Manuel; Rubí, R.; Fontcuberta, Josep; Harackiewicz, F. (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1999-06-30)
Article
Accés obertYBa2Cu3O7-δ (YBCO) with low RF losses has been successfully deposited onto lithium niobate (LNO) to improve the performance of electrooptic Mach-Zender modulators. Epitaxial, c-axis oriented superconducting YBCO thin films ... -
Design and fabrication of coplanar YBCO structures on lithium niobate substrates
Rozan, Edouard; Collado Gómez, Juan Carlos; Garcia, Alfredo; O'Callaghan Castellà, Juan Manuel; Pous Andrés, Rafael; Fàbrega Sanchez, Lourdes; Rius Casals, Juan Manuel; Rubí, R.; Fontcuberta, J.; Harackiewicz, F. (1999-06)
Article
Accés obertYBa/sub 2/Cu/sub 3/O/sub 7-/spl delta// (YBCO) with low RF losses has been successfully deposited onto lithium niobate (LNO) to improve the performance of electrooptic Mach-Zender modulators. Epitaxial, c-axis oriented ... -
Detuning and saturation of superconducting devices: formulation and measurements
Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; Booth, James C.; O'Callaghan Castellà, Juan Manuel (Institute of Electrical and Electronics Engineers, 2007-06)
Text en actes de congrés
Accés obertSaturation and detuning of high temperature superconducting (HTS) resonators and filters may occur due to the inherent nonlinear properties of the superconductor. In HTS transmission lines, these nonlinear properties ... -
Distributed circuit design
Collado Gómez, Juan Carlos; González Arbesú, José María (Universitat Politècnica de Catalunya, 2016)
Apunts
Accés obert -
Distributed nonlinear model and fast analysis for in-band IMD3 prediction of surface acoustic wave resonators
González Rodríguez, Marta; Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; González Arbesú, José María; Huebner, Sebatian (Institute of Electrical and Electronics Engineers (IEEE), 2022-01-01)
Article
Accés obertThe motivation of this work is to analyze the in-band intermodulation distortion (IMD) occurring in surface acoustic wave (SAW) devices, using a recently developed fast method based on the input–output equivalent sources ... -
Dual-band Butler matrix for WLAN systems
Collado Gómez, Juan Carlos; Grau Besolí, Alfred; Flaviis, Franco de (Institute of Electrical and Electronics Engineers, 2005)
Text en actes de congrés
Accés obertThis paper shows the design of a dual-band Butler matrix aimed to cover the bands corresponding to the standards IEEE802.11a/b, with particular interest in WLAN systems, at the 2.4 GHz and 5 GHz bands. Measurements of the ... -
Dual-band planar quadrature hybrid with enhanced bandwidth response
Collado Gómez, Juan Carlos; Grau Besolí, Alfred; Flaviis, Franco de (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2006-01-31)
Article
Accés obertThis paper presents the theory, design procedure, and implementation of a dual-band planar quadrature hybrid with enhanced bandwidth. The topology of the circuit is a three-branch-line (3-BL) quadrature hybrid, which ... -
Electro-thermo-mechanical model for bulk acoustic wave resonators
Rocas Cantenys, Eduard; Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; Orloff, Nathan D.; Booth, James C.; Aigner, Robert (2013-11)
Article
Accés restringit per política de l'editorialWe present the electro-thermo-mechanical constitutive relations, expanded up to the third order, for a BAW resonator. The relations obtained are implemented into a circuit model, which is validated with extensive linear ... -
ENGINYERIA D'RF (Examen final, 1r quadrimestre)
Collado Gómez, Juan Carlos; González Arbesú, José María (Universitat Politècnica de Catalunya, 2023-01-25)
Examen
Accés restringit a la comunitat UPC -
ENGINYERIA D'RF (Examen parcial, 1r quadrimestre)
Collado Gómez, Juan Carlos (Universitat Politècnica de Catalunya, 2023-10-30)
Examen
Accés restringit a la comunitat UPC -
ENGINYERIA DE RF (Examen parcial, 1r quadrimestre)
Collado Gómez, Juan Carlos (Universitat Politècnica de Catalunya, 2022-11-04)
Examen
Accés restringit a la comunitat UPC -
ERF: Control Final Laboratorio: primavera 2019
Collado Gómez, Juan Carlos; González Arbesú, José María (Universitat Politècnica de Catalunya, 2019-05-28)
Examen
Accés restringit a la comunitat UPC -
ERF: Control Parcial Laboratorio: primavera 2019
Collado Gómez, Juan Carlos; González Arbesú, José María (Universitat Politècnica de Catalunya, 2019-05-02)
Examen
Accés restringit a la comunitat UPC