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    • Other considerations of radar systems 

      Berenguer Sau, Jordi; Mateu Mateu, Jordi (Universitat Politècnica de Catalunya, 2016-10)
      Apunts
      Accés obert

    • Out of band improved performance into a measured 5G N77 band transversal filter 

      Udaondo Guerrero, Carlos; Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; Perea Robles, Rafael; Yusud, Yazid; Giménez Bonastre, Alfred Raul; Aigner, Robert (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Transversal networks for electroacoustic filters had been proposed and manufactured recently. One of the main problems that arose in the first prototype were the spurious modes due to the mirror stack of the Solidly Mounted ...

    • Outline process from the synthesis towards the nonlinear modeling of Bulk Acoustic Wave filters 

      Mateu Mateu, Jordi; Collado Gómez, Juan Carlos; Hueltes Escobar, Alberto; Perea Robles, Rafael; García Pastor, David; González Rodríguez, Marta; González Arbesú, José María (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This work presents the nonlinear modeling of a real acoustic wave filter set at the cellular commercial receiver band B40. The paper outlines the synthesis procedure of the acoustic filter and presents the filter performance ...

    • Óxidos y estructuras híbridas de respuesta multifuncional 

      Mateu Mateu, Jordi (2016-02-13)
      Report de recerca
      Accés obert
      El subproyecto MAT2011-29269-C03-02 ha tenido como objetivo el diseño y caracterización de dispositivos sintonizables. Para ello se han realizado actividades en el desarrollo de plataformas de caracterización y herramientas ...

    • Passive devices for UWB systems 

      Mira, Fermín; Mollfulleda, Antonio; Miskovsky, Pavel; Mateu Mateu, Jordi; González Arbesú, José María (Sciyo.com, 2010-09)
      Capítol de llibre
      Accés obert

    • Passive intermodulation due to self-heating in printed transmission lines 

      Rocas Cantenys, Eduard; Collado Gómez, Juan Carlos; Orloff, Nathan; Mateu Mateu, Jordi; Padilla Díaz, Alberto; O'Callaghan Castellà, Juan Manuel; Booth, James C. (2011)
      Article
      Accés obert

    • Performance of BAW resonators at cryogenic temperatures 

      Rocas Cantenys, Eduard; Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; Hueltes Escobar, Alberto; Verdú Tirado, Jordi; Booth, James C.; Aigner, Robert (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this work we go beyond the usual temperature range for commercial applications and explore the functioning of Bulk Acoustic Wave (BAW) resonators down to cryogenic temperatures, to get the whole picture at understanding ...

    • Performance Projection of Electro-Optical Modulators for Radio-Over-Fiber in 2 GHz Cryogenic Front-End Receivers 

      Menéndez Nadal, Óscar; Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; Santos Blanco, M. Concepción; O'Callaghan Castellà, Juan Manuel (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2005-06-30)
      Article
      Accés obert
      We present the design of a Y-Ba-Cu-O on LiNbO/sub 3/ cryogenic electro-optical modulator for analog 2 GHz applications. A resonant configuration of coplanar electrodes is considered, showing improvements with respect to ...

    • Practical issues on the implementation of acoustic transversal filters 

      Mateu Mateu, Jordi; Collado Gómez, Juan Carlos; Aigner, Robert (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      This paper evaluates important aspect of acoustic filters based on a transversal configuration in order to foreseen the potential and limitations of this new configuration. These aspects are: effects of the losses of the ...

    • Prediction of Nonlinear Distortion in HTS Filters for CDMA Communicaction Systems 

      Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; Ferrús Ferré, Ramón Antonio; O'Callaghan Castellà, Juan Manuel (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2003-06-30)
      Article
      Accés obert
      HTS materials are known to produce intermodulation and other nonlinear effects, and this may restrict their use in wireless communication systems. While significant efforts are being done to measure and characterize nonlinear ...

    • Pulse integration 

      Berenguer Sau, Jordi; Mateu Mateu, Jordi (Universitat Politècnica de Catalunya, 2016-10)
      Apunts
      Accés obert

    • Quasi-3D model for lateral resonances on homogeneous BAW resonators 

      Udaondo Guerrero, Carlos; Collado Gómez, Juan Carlos; Mateu Mateu, Jordi (Multidisciplinary Digital Publishing Institute (MDPI), 2023)
      Article
      Accés obert
      Lateral modes are responsible for the in-band spurious resonances that appear on BAW resonators, degrading the in-band filter response. In this work, a fast computational method based on the transmission line matrix (TLM) ...

    • Radar antennas 

      Berenguer Sau, Jordi; Mateu Mateu, Jordi (Universitat Politècnica de Catalunya, 2016-10)
      Apunts
      Accés obert

    • Radar block diagram 

      Berenguer Sau, Jordi; Mateu Mateu, Jordi (Universitat Politècnica de Catalunya, 2016-10)
      Apunts
      Accés obert

    • Radar cross section 

      Berenguer Sau, Jordi; Mateu Mateu, Jordi (Universitat Politècnica de Catalunya, 2016-10)
      Apunts
      Accés obert

    • Radar equation 

      Berenguer Sau, Jordi; Mateu Mateu, Jordi (Universitat Politècnica de Catalunya, 2016-10)
      Apunts
      Accés obert

    • Reduced microwave losses YBa2Cu3O7-d thin films on electro-optic LiNbO3 crystals 

      Fàbrega Sanchez, Lourdes; Rubí, R.; Fontcuberta, J.; Sanchez, F.; Ferrater Lambarri, Carlos; Garcia-Cuenca, M. V.; Varela, M.; Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; Menéndez, O.; O'Callaghan Castellà, Juan Manuel (American Institute of Physics (AIP), 2002-11)
      Article
      Accés obert

    • Reduced microwave losses YBa[sub 2]Cu[sub 3]O[sub 7 - delta] thin films on electro-optic LiNbO[sub 3] crystals 

      Fàbrega i Soler, Lluís; Rubí, R.; Fontcuberta, Josep; Sánchez, F.; Ferrater Martorell, Cesar; García-Cuenca Varona, Victoria; Varela, M.; Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; Menéndez Nadal, Óscar; O'Callaghan Castellà, Juan Manuel (AMER INST PHYSICS, 2002-10-31)
      Article
      Accés obert
      We report on the growth of epitaxial YBa2Cu3O7 thin films on X-cut LiNbO3 single crystals. The use of double CeO2/YSZ buffer layers allows a single in-plane orientation of YBa2Cu3O7, and results in superior superconducting ...

    • Role of SiO2 layers in third-order nonlinear effects of temperature compensated BAW resonators 

      García Pastor, David; Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; Aigner, Robert (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This work applies a comprehensive nonlinear characterization process of two Temperature Compensated Bulk Acoustic Wave (TC-BAW) resonators. In both resonators, the SiO 2 layers have a remarkable impact on the generation ...

    • Secondary Surveillance RADAR (SSR) 

      Berenguer Sau, Jordi; Mateu Mateu, Jordi (Universitat Politècnica de Catalunya, 2016-10)
      Apunts
      Accés obert