Exploració per tema "Ressonadors"

Ara es mostren els items 21-39 de 39

    • Nonlinear effects of SiO2 layers in bulk acoustic wave resonators 

      Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; García Pastor, David; Perea Robles, Rafael; Hueltes Escobar, Alberto; Kreuzer, Susanne; Aigner, Robert (IEEE Microwave Theory and Techniques Society, 2018-04)
      Article
      Accés obert
      This paper presents the development of a comprehensive distributed circuit model to account for the existing nonlinear effects in bulk acoustic wave (BAW) resonators. The comprehensiveness of the model and its distributed ...

    • Nonlinear effects of electrode and bragg reflector materials in BAW resonators 

      García Pastor, David; González Rodríguez, Marta; Hueltes Escobar, Alberto; Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; González Arbesú, José María; Kreuzer, Susanne; Aigner, Robert (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      This work presents a broadband characterization and modeling of the second harmonic nonlinear response in Bulk acoustic wave (BAW) resonators. The proposed circuit model is based on the constitutive equations describing ...

    • Nonlinear performance of BAW filters including BST capacitors 

      Rocas Cantenys, Eduard; Mateu Mateu, Jordi; Collado Gómez, Juan Carlos; Hueltes Escobar, Alberto; Verdú Tirado, Jorge Andrés; Billard, Christophe; David, Jean Baptiste; Reinhardt, Alexandre (2014-04-01)
      Article
      Accés restringit per política de l'editorial
      This paper evaluates the nonlinear effects occurring in a bulk acoustic wave (BAW) filter which includes barium strontium titanate (BST) capacitors to cancel the electrostatic capacitance of the BAW resonators. To do that ...

    • On tunable switch-mode reactive networks: a gyrator-based resonator emulation 

      Saad, M.A.; Egidos, Nuria; Bou Balust, Elisenda; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper introduces the concept of switch-mode tunable emulated reactive networks. The idea of implementing reactive networks based on the theory of gyrators is proposed and characterized in an application-driven ...

    • Optical and Electrical characterization of Carbon Nanotube based high-Q mechanical resonators 

      Palou Garcia, Xavier (Universitat Politècnica de Catalunya, 2014-06-10)
      Projecte Final de Màster Oficial
      Accés obert
      [ANGLÈS] Carbon Nanotubes have been one of the most intensively studied materials in the last two decades. Because of their combination of outstanding properties (mechanical, thermal, electrical, optical, etc.) the community ...

    • 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 ...

    • 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 ...

    • Quartz crystal microbalance holder design for on-line sensing in liquid applications 

      Amer, M.A.; Chávez Domínguez, Juan Antonio; García Hernández, Miguel J.; Salazar Soler, Jorge; Turó Peroy, Antonio (2016-05)
      Article
      Accés obert
      In this paper, the design of a QCM sensor for liquid media measurements in vertical position is described. A rugged and low-cost proof holder has been designed, the cost of which is significantly lower than those ...

    • 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) ...

    • Reducing the cogging torque effects in hybrid stepper machines by means of resonant controllers 

      Arias Pujol, Antoni; Caum Aregay, Jesús; Ibarra Basabe, Edorta; Griñó Cubero, Robert (Institute of Electrical and Electronics Engineers (IEEE), 2018-06-11)
      Article
      Accés obert
      Permanent magnet machines are not free from the interaction between magnets and the stator and rotor slots, which causes an undesired disturbing torque. Such cogging or detent torque is especially larger with salient pole ...

    • Small footprint evaluation of metal coatings for additive manufacturing 

      Krkotic, Patrick; Aguasca Solé, Alberto; O'Callaghan Castellà, Juan Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Rutile resonators have been used in the past to characterize high-temperature superconductors. In this work we describe a novel use of this type of resonator: the characterization of surface resistance in metal coatings ...

    • Sources of third–order intermodulation distortion in bulk acoustic wave devices: a phenomenological approach 

      Rocas Cantenys, Eduard; Collado Gómez, Juan Carlos (In-Teh (www.intechweb.org), 2011)
      Capítol de llibre
      Accés obert
      In this work, a model that uses several nonlinear parameters to predict harmonics and 3IMD distortion is presented. Its novelty lies in its ability to predict the nonlinear effects produced by self-heating in addition to ...

    • Synthesis procedure for ladder acoustic wave filters starting in series resonator 

      Perea Robles, Rafael; Mateu Mateu, Jordi; Collado Gómez, Juan Carlos (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Text en actes de congrés
      Accés obert
      This work provides a new procedure to synthesize acoustic wave ladder filters starting with series resonators. The novelty of this method relies in a new synthesis methodology to extract a series inductance in filter ...

    • Third order intermodulation distorsion in film bulk acoustic resonators at resonance and antiresonance 

      Rocas Cantenys, Eduard; Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; Campanella, Humberto; O'Callaghan Castellà, Juan Manuel (IEEE, 2008-06)
      Comunicació de congrés
      Accés obert
      This paper presents recent measurements and modeling of the third order intermodulation products of a Film Bulk Acoustic Resonator (FBAR), for a various values of frequency spacing between driving tones. The ...

    • Third-order intermodulation distortion due to self-heating in gold coplanar waveguides 

      Rocas Cantenys, Eduard; Collado Gómez, Juan Carlos; Orloff, Nathan; Booth, James C. (IEEE Microwave Theory and Techniques Society, 2010)
      Text en actes de congrés
      Accés obert

    • Transversal filters based on stacked crystal filters with spurious mode suppression 

      Yusuf, Yazid; Gimenez, Alfred; AlJoumayly, Mudar; Mateu Mateu, Jordi; Collado Gómez, Juan Carlos (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      The transversal filter topology consists of resonators which require both positive and negative coupling to the input/output which typically necessitates the use of a BALUN. In this paper, transversal filters based on ...

    • Tunable substrate integrated waveguide resonators 

      Mira, Fermin; Mateu Mateu, Jordi; Collado Gómez, Juan Carlos (2012-09-01)
      Article
      Accés obert
      This paper presents a novel approach for providing SIW tunable resonators by means of placing an additional metalized via-hole on the waveguide cavity. The via-hole contains an open-loop slot on the top metallic wall. The ...

    • Unified model for Bulk Acoustic Wave resonators’ nonlinear effects 

      Rocas Cantenys, Eduard; Collado Gómez, Juan Carlos; Booth, James C.; Iborra, Enrique; Aigner, Robert (2009)
      Text en actes de congrés
      Accés obert

    • Wearable ring resonator antenna 

      Moradi, Bahareh; Martínez Estrada, Marc; Fernández García, Raúl; Gil Galí, Ignacio (2018-10-05)
      Article
      Accés obert