Browsing by Author "Collado Gómez, Juan Carlos"
Now showing items 1-20 of 128
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A consistent methodology to characterize BAW resonators
(2012)
Conference report
Restricted access - publisher's policyWe 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 general approach for the calculation of intermodulation distortion in cavities with superconducting endplates
(AMER INST PHYSICS, 2003-01-31)
Article
Open AccessWe 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 ... -
A General approach for the calculation of intermodulation distortion in cavities with superconducting endplates
(2003-01)
Article
Open AccessWe 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 ... -
A general electromagnetic simulation tool to predict the microwave nonlinear response of planar, arbitrarily-shaped HTS structures
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2001-03-31)
Article
Open AccessThis work describes a simulation tool being developed at UPC to predict the microwave nonlinear behavior of planar superconducting structures with very few restrictions on the geometry of the planar layout. The software ... -
A lateral modes model for BAW resonators
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Conference report
Restricted access - publisher's policyAn 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. ... -
A thickness-shear MEMS resonator employing electromechanical transduction through a coplanar waveguide
(2012)
Conference report
Restricted access - publisher's policyThe design, modeling, fabrication, and characterization of a vibrationally trapped thickness-shear MEMS resonator is presented. This device is intended to avoid various limitations of flexural MEMS resonators, including ... -
Absorptive limiter for frequency-selective circuits
(2014-06-01)
Article
Restricted access - publisher's policyThis letter describes a novel absorptive limiter for frequency-selective circuits. The proposed circuit allows the design of absorptive limiters based on a bi-state phase shifter, which is appropriate for integration into ... -
Accuracy considerations in microstrip surface impedance measurements
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1997-06-30)
Article
Open AccessAn 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 ... -
Accuracy considerations in surface impedance measurements
(1997-06)
Article
Open AccessAn approach is proposied 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 ... -
Acoustic wave filters for enhanced performance
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Conference lecture
Restricted access - publisher's policyThis paper presents a novel filter configuration based on acoustic wave resonators that allows to obtain filter responses unachievable with the well established ladder configuration, such as arbitrary position of transmission ... -
Acoustic wave transversal filter for 5G N77 band
(Institute of Electrical and Electronics Engineers (IEEE), 2021-10-01)
Article
Open AccessThis 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 ... -
An equivalent model for lateral modes on the H2 response of bulk acoustic wave resonators
(Institute of Electrical and Electronics Engineers (IEEE), 2020)
Conference report
Restricted access - publisher's policyAn equivalent circuital model is proposed for the lateral modes of a BAW resonator. It is based in the Mason model, adding a dispersive a transmission line to model the Lamb waves along the lateral dimensions of the ... -
An experimental study of multi-radio platform coexistence in the 5 GHz band for railway applications
(Springer Verlag, 2011)
Conference report
Restricted access - publisher's policyThis paper studies the practical challenges that arise due to the coexistence of two wireless technologies, both operating in the license-exempt 5 GHz band. In particular, WiFi and WiMAX equipment have been used in the ... -
Analysis and Simulation of Distributed Nonlinearities in Ferroelectrics and superconductors for Microwave Applications
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2006-03-31)
Article
Open AccessThis paper gives closed-form equations for the intermodulation and third harmonic signals generated in a nonlinear transmission line with distributed quadratic nonlinearities in the conductor and dielectric. Although the ... -
Analysis and Simulation of the Effects of Distributed Nonlinearities in Microwave Superconducting Devices
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2005-03-31)
Article
Open AccessThis 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 border ring modes on SMR-BAW resonators
(Institute of Electrical and Electronics Engineers (IEEE), 2019)
Conference lecture
Restricted access - publisher's policyAn 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 dielectric-loaded cavities for characterization of the nonlinear properties of high temperature superconductors
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2003-06-30)
Article
Open AccessThis 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 ... -
Analysis of spurious peaks at series resonance in solidly mounted resonators by combined BVD-Mason modelling
(2023-05)
Article
Open AccessSolidly 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 ... -
Analytical modeling method of thermal spreading resistance in BAW filters
(Institute of Electrical and Electronics Engineers (IEEE), 2019)
Conference lecture
Restricted access - publisher's policyAs 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 ... -
Application of the input-output equivalent sources method for the simulation of nonlinearities in TC-SAW resonators and filters
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Conference report
Open AccessA good understanding of the nonlinearity mechanism in SAW devices is a crucial aspect in the filter stage. Nonlinear intermodulation distortion (IMD) may lead to spurious signals falling into the receiver band and limiting ...
