Browsing by Subject "Ressonadors"

Now showing items 1-20 of 38

    • A consistent methodology to characterize BAW resonators 

      Rocas Cantenys, Eduard; Collado Gómez, Juan Carlos; Aigner, Robert; Mateu Mateu, Jordi; Hueltes Escobar, Alberto; Booth, James C. (2012)
      Conference report
      Restricted access - publisher's policy
      We present a methodology to characterize BAW resonators both linearly and nonlinearly. The procedure uses physical modeling along with measurements that exploit different manifestations of the nonlinear phenomena to ...

    • A lateral modes model for BAW resonators 

      Collado Gómez, Juan Carlos; Rocas Cantenys, Eduard; Verdú, Jordi; Mateu Mateu, Jordi; Hueltes Escobar, Alberto; Aigner, Robert (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Restricted access - publisher's policy
      An equivalent circuit model to predict lateral modes occurring in real BAW resonators is proposed. The circuit model has been validated with FEM simulations of FBAR resonators and also with measurements of SMR resonators. ...

    • Acoustic wave transversal filter for 5G N77 band 

      Mateu Mateu, Jordi; Yusuf, Yazid; Perea Robles, Rafael; Collado Gómez, Juan Carlos; Gimenez, Alfred; Martín Iglesias, Petronilo; Aigner, Robert (Institute of Electrical and Electronics Engineers (IEEE), 2021-10-01)
      Article
      Open Access
      This work presents the complete synthesis procedure and circuit transformations needed to go from the characteristic polynomials to the transversal network formed by electroacoustic resonators. This filter topology allows ...

    • Analysis of PIFA antenna coupling in nearby traces and reduction with CSRRs in PCB at 2.45 GHz 

      Gil Galí, Ignacio; Fernández García, Raúl (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Open Access
      The electromagnetic coupling of a conventional planar inverted-F antenna (PIFA) antenna in the nearby layout traces is investigated in the 2.45 GHz industrial, scientific and medical radio band. The impact of a complementary ...

    • Analysis of spurious peaks at series resonance in solidly mounted resonators by combined BVD-Mason modelling 

      Lugo Hernández, Eduardo; Mirea, Teona; Carmona Cejas, Jose Manuel; Clement Lorenzo, Marta; Olivares Roza, Jimena; Collado Gómez, Juan Carlos; Mateu Mateu, Jordi (2023-05)
      Article
      Open Access
      Solidly Mounted Resonators (SMRs) for high frequency RF filters and sensing applications often display spurious resonances that distort their frequency response. In this work, we try to identify the origin of spurious ...

    • Atomic monolayer deposition on the surface of nanotube mechanical resonators 

      Tavernarakis, Alexandros; Chaste, Julien; Eichler, Alexander; Ceballo, Gustavo; Gordillo Bargueño, Maria Carmen; Boronat Medico, Jordi; Bachtold, Adrian (2014-05-14)
      Article
      Open Access
      We study monolayers of noble gas atoms (Xe, Kr, Ar, and Ne) deposited on individual ultraclean suspended nanotubes. For this, we record the resonance frequency of the mechanical motion of the nanotube, since it provides a ...

    • Design of tri-Notched UWB antenna based on elliptical and circular ring resonators 

      Ur, Saeed; Cao, Qunsheng; Li, You; Gil Galí, Ignacio; Yi, Wan (2018-12-18)
      Article
      Open Access
      This article presents the design of a compact coplanar waveguide (CPW) fed Monopole Antenna for ultra-wideband (UWB) applications. The semi-circular shaped radiator is fed with a 50-O line that resonates within the UWB ...

    • Enabling silicon-on-silicon photonics with pedestalled Mie resonators 

      Garin Escriva, Moises; Solà, Magdalena; Julian, Anatole Alexandre; Ortega Villasclaras, Pablo Rafael (2018-07-19)
      Article
      Open Access
      High-refractive-index Mie resonators are regarded as promising building blocks for low-loss all-dielectric nanophotonic applications. To avoid the otherwise excessive damping and loss of symmetry such devices typically ...

    • Ensembles of PT-dipoles for sound propagation management 

      Arias Casals, Helena; Herrero Simon, Ramon; Botey Cumella, Muriel; Staliunas, Kestutis (META Conference, 2022)
      Conference lecture
      Restricted access - publisher's policy
      Among other possible designs, metamaterials constructed from ensembles of meta-dipoles emerged as a flexible platform to redirect wave fields. We present an acoustic PT-dipole constructed from two Helmholtz resonators with ...

    • Estructures fractals de trèbol per ressonadors duals 

      Escoda Ramón, Jordi (Universitat Politècnica de Catalunya, 2008-01-31)
      Master thesis (pre-Bologna period)
      Open Access
      Aquest projecte tracta l’estudi d’estructures fractals de trèvol per la implementació i construcció de filtres amb ressonadors duals per aplicacions en les radiocomunicacions. Com anàlisi de l’estat de l’art, s’estudien ...

    • Estudio de un nuevo resonador ultra-compacto con compensación de variaciones en espesor del dieléctrico 

      Fieschi Peyre, Ivan (Universitat Politècnica de Catalunya, 2009-05-22)
      Master thesis (pre-Bologna period)
      Open Access

    • Full wave analysis of the image hybrid dielectric/HTS resonator 

      Sans, C.; O'Callaghan Castellà, Juan Manuel; Sancho, D.; Pous Andrés, Rafael; Fontcuberta, Josep; Liang, Ji-fhu; Liang, Guo-chun (IEEE, 1997-12-31)
      Article
      Open Access
      An analysis of the image hybrid dielectric / high-temperature superconductor (HTS) resonator is carried out. A full-wave radial mode-matching method is used to obtain the electromagnetic fields inside the resonator for ...

    • Full wave analysis of the image hybrid dielectric/hts resonator 

      Sans, C; O'Callaghan Castellà, Juan Manuel; Sancho, D; Pous Andrés, Rafael; Fontcuberta, J; Ji-Fuh, Liang; Guo-Chun, Liang (1997-12)
      Article
      Open Access
      — An analysis of the image hybrid dielectric/hightemperature superconductor (HTS) resonator is carried out. A full-wave radial mode-matching method is used to obtain the electromagnetic fields inside the resonator for ...

    • High temperatures BVD model for AlN-based solidly mounted resonators 

      Lugo Hernández, Eduardo; Mirea, Teona; Carmona Cejas, Jose Manuel; Clement Lorenzo, Marta; Olivares Roza, Jimena; Collado Gómez, Juan Carlos; Mateu Mateu, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Conference report
      Restricted access - publisher's policy
      In this paper we present an updated version of the well-known one dimensional model for Solidly Mounted Resonators (SMRs) based on Aluminum Nitride (AIN) for harsh environments at 2.4 GHz in sensing applications. Our model ...

    • Mechanical tuning of substrate integrated waveguide filters 

      Mira, Fermin; Mateu Mateu, Jordi; Collado Gómez, Juan Carlos (IEEE Microwave Theory and Techniques Society, 2015-12-01)
      Article
      Open Access
      This paper presents a novel approach for tuning substrate integrated waveguide resonators, realized by placing an additional metallized via-hole on the waveguide cavity. The approach presented here can be applied as a ...

    • Mechanical tuning of substrate integrated waveguide resonators 

      Mira, Fermín; Mateu, Joan; Collado Gómez, Juan Carlos (2012)
      Article
      Restricted access - publisher's policy
      This letter presents a novel approach for providing substrate-integrated waveguide tunable resonators by means of placing an additional metalized via-hole on the waveguide cavity. The via-hole contains an open-loop slot ...

    • Millimeter wave dielectric sensors with highly integrated sensors and Readout circuits 

      Fernández Rull, Josep Ramon (Universitat Politècnica de Catalunya, 2022-10-26)
      Master thesis
      Open Access
      Covenantee:   Technische Universität Berlin
      The objective of this thesis is to have different resonators all centered at 60GHz but able to detect different materials with different permittivities ranging from 4 to 10. The design of these resonators is based on a ...

    • Modes in microchip lasers 

      Plukys, Matas; Gaizauskas, Eugenijus; Gailevicius, Darius; Staliunas, Kestutis (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2022)
      Conference report
      Restricted access - publisher's policy
      The transverse modes in microchip lasers (MCL) appear different from the classical mode theory, as the resonator consists of a set of plane mirrors (similar to semiconductor edge-emitting lasers and VCSELs). Then the ...

    • Modified Mason’s and BVD models for analysis of spurious modes due to ohmic losses in BAW resonators 

      Lugo Hernández, Eduardo; Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; Mirea, Teona; Carmona Cejas, Jose Manuel; Clement Lorenzo, Marta; Olivares Roza, Jimena (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Conference report
      Restricted access - publisher's policy
      We study the presence of an additional peak appearing at the series resonance of SMRs due to the resistance of thin metallic electrodes, especially relevant in devices with large area. To properly account for this effect, ...

    • Multimode ultra-wideband filters by using a grounded open ring resonator 

      Moradi, Bahareh; Martínez-Iranzo, Úrsula; García García, Joan (2016)
      Article
      Open Access
      This paper reports a novel multimode resonator (MMR) ultra-wide band-pass (UWB) filter design using a grounded open ring resonator. The utilization of 30 μm gaps between input ports and the central resonator achieve high ...