Now showing items 1-20 of 55

    • 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. ...
    • Accuracy considerations in microstrip surface impedance measurements 

      O'Callaghan Castellà, Juan Manuel; Sans, C.; Collado Gómez, Juan Carlos; Canet Grau, Eduard; Pous Andrés, Rafael; Fontcuberta, Josep (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1997-06-30)
      Article
      Open Access
      An approach is proposed for the design, measurement and data extraction of superconducting microstrip resonators used in determination of surface resistance and penetration depth. Major sources of error are analyzed and ...
    • Analysis of border ring modes on SMR-BAW resonators 

      Udaondo Guerrero, Carlos; Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; Aigner, Robert (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference lecture
      Restricted access - publisher's policy
      An equivalent circuit model is proposed in order to model the Border Ring (BR) spurious modes on Type I Solidly Mounted Resonators (SMR) BAW resonators and the cancellation of the in-band lateral modes that the BR frame ...
    • 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 ...
    • Analytical modeling method of thermal spreading resistance in BAW filters 

      González Rodríguez, Marta; Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; González Arbesú, José María; Aigner, Robert (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference lecture
      Restricted access - publisher's policy
      As the power requirements in BAW filters steadily increase, thermal behaviour emerges as a key asset to ensure device performance and reliability. Under these conditions, self-heating mechanisms drive to possible situations ...
    • 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 ...
    • Circuit model for a coplanar-slotline cross 

      Ribó i Pal, Miquel; Pradell i Cara, Lluís (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2000-12-31)
      Article
      Open Access
      A new 6-port “circuit-model” for coplanar-slotline crosses is presented. The model is based on the separation of the two fundamental Coplanar Waveguide (CPW) modes (even and odd) into different ports. It generalizes previous ...
    • Circuit model for a coplanar-slotline cross 

      Miquel, Ribó; Pradell i Cara, Lluís (2000-12)
      Article
      Open Access
      A new 6-port
    • Circuit model for slotline-to-coplanar waveguide asymmetrical transitions 

      Ribó i Pal, Miquel; Cruz Llopis, Luis Javier de la; Pradell i Cara, Lluís (IEE-INST ELEC ENG, 1999-07-31)
      Article
      Open Access
      A new `circuit-model' for slotline-to-coplanar waveguide asymmetrical transitions is presented and applied to the design of slotline resonators. The model, based on the separation of coplanar-waveguide (CPW) modes into two ...
    • 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)
      Conference report
      Open Access
      This 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 ...
    • Comprehensive nonlinear characterization and modeling of a BAW duplexer 

      Collado Gómez, Juan Carlos; Mateu Mateu, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference lecture
      Restricted access - publisher's policy
      This 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
      Open Access
      A 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 ...
    • Cosimulación electrotérmica de resonadores y filtros para aplicaciones espaciales 

      De Los Santos Viera, Sandino (Universitat Politècnica de Catalunya, 2012-01-21)
      Bachelor thesis
      Open Access
    • 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 ...
    • 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
    • Fast simulation method of distributed nonlinearities in surface acoustic wave resonators 

      González Rodríguez, Marta; Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; González Arbesú, José María; Aigner, Robert; Huebner, Sebatian (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Conference report
      Restricted access - publisher's policy
      Understanding the mechanism of nonlinearity in SAW/BAW devices is growing up in importance because these, even being weak, can cause desensitization of the receivers and limiting their performance. Proper nonlinear distributed ...
    • General dynamics of pulsed digital oscillators 

      Domínguez Pumar, Manuel; Pons Nin, Joan; Ricart Campos, Jordi (IEEE, 2008-02-08)
      Article
      Open Access
      The objective of this work is to analyze pulsed digital oscillators (PDOs), as dynamical systems. It is proved that under some conditions, the bitstream at the output of the oscillator is that of the sign of a sampled ...
    • 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 ...