Exploració per tema "intermodulation distortion"

Ara es mostren els items 1-10 de 10

    • A general approach for the calculation of intermodulation distortion in cavities with superconducting endplates 

      Mateu Mateu, Jordi; Collado Gómez, Juan Carlos; Menéndez Nadal, Óscar; O'Callaghan Castellà, Juan Manuel (AMER INST PHYSICS, 2003-01-31)
      Article
      Accés obert
      We report on a general procedure to calculate intermodulation distortion in cavities with superconducting endplates that is applicable to the dielectric-loaded cavities currently used for measurement of surface resistance ...

    • Analysis and Simulation of the Effects of Distributed Nonlinearities in Microwave Superconducting Devices 

      Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; O'Callaghan Castellà, Juan Manuel (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2005-03-31)
      Article
      Accés obert
      This paper presents a comprehensive study of microwave nonlinearities in superconductors, with an emphasis on intermodulation distortion and third-harmonic generation. It contains the analysis of various resonant and ...

    • Analysis of dielectric-loaded cavities for characterization of the nonlinear properties of high temperature superconductors 

      Mateu Mateu, Jordi; Collado Gómez, Juan Carlos; Menéndez Nadal, Óscar; O'Callaghan Castellà, Juan Manuel (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2003-06-30)
      Article
      Accés obert
      This work describes and compares two alternative methods of analyzing dielectric-loaded cavities for measurement of intermodulation distortion in HTS films. One of them is based on assuming a specific type of HTS nonlinearities ...

    • 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 obert
      This 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 ...

    • 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 obert
      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 ...

    • Experiments and model of intermodulation distortion in a rutile resonator with YBCO endplates 

      Mateu Mateu, Jordi; Collado Gómez, Juan Carlos; Menéndez Nadal, Óscar; O'Callaghan Castellà, Juan Manuel (KLUWER ACADEMIC/PLENUM PUBL, 2003-10-31)
      Article
      Accés obert
      We have derived general equations to calculate intermodulation distortion in resonators with high temperature superconducting (HTS) films which are not restricted to a specific resonator shape and may be used whenever the ...

    • Harmonic balance algorithms for the nonlinear simulation of HTS devices 

      Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; Parrón Granados, Josep; Pons, J.; O'Callaghan Castellà, Juan Manuel; Rius Casals, Juan Manuel (KLUWER ACADEMIC/PLENUM PUBL, 2001-02-28)
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      Accés obert
      This paper describes the application of Harmonic Balance algorithms to predict nonlinear effects in planar High Temperature Superconductors (HTS) microwave circuits. The resulting algorithms are fast and efficient and can ...

    • Nonlinear Analysis of Disk Resonators. Application to Material Characteritzation and Filter Design. 

      Mateu Mateu, Jordi; Collado Gómez, Juan Carlos; O'Callaghan Castellà, Juan Manuel (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2001-03-31)
      Article
      Accés obert
      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 ...

    • Nonlinear Distortion in a 8-Pole Quasi-Elliptic Bandpass HTS Filter for CDMA System 

      Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; Menéndez Nadal, Óscar; O'Callaghan Castellà, Juan Manuel (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2005-06-30)
      Article
      Accés obert
      High Temperature Superconductor materials are known to produce intermodulation and other nonlinear effects which may restrict their use in wireless communication systems. Quantifying this degradation is crucial in determining ...

    • Nonlinear RF spurious in a cylindrical cavity with superconducting endplates 

      Mateu Mateu, Jordi; Collado Gómez, Juan Carlos; Shaw, Timothy J.; O'Callaghan Castellà, Juan Manuel (ELSEVIER SCIENCE BV, 2002-08-31)
      Article
      Accés obert
      We have developed a method to calculate the distribution of fundamental and spurious fields in a metallic cylindrical cavity with superconducting endplates in which signals at two different frequencies are injected. The ...