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Browsing by Author "Boria Esbert, Vicente Enrique"

Now showing items 1-20 of 197

A 3D Smith Chart based on the Riemann Sphere for Active and Passive Microwave Circuits

Muller, Andrei A.; Soto Pacheco, Pablo; Dascalu, Dan; Neculoiu, Dan; Boria Esbert, Vicente Enrique (Institute of Electrical and Electronics Engineers (IEEE), 2011-06)

This letter proposes a spherical 3-D Smith Chart suitable for representing both active and passive microwave circuits. Using the mathematical concept of the Riemann sphere, the extended reflection coefficient plane is ...
A controllable bandwidth filter using varactor-loaded metamaterial-inspired transmission lines

Lucas Borja, Alejandro; Carbonell Olivares, Jorge; Martínez Pérez, Jorge Daniel; Boria Esbert, Vicente Enrique; Lippens, Didier (Institute of Electrical and Electronics Engineers (IEEE), 2011)

This letter presents a tunable bandwidth bandpass filter based on varactor-loaded metamaterial coplanar waveguide (CPW) lines. The CPW lines are based on series gaps and split-ring resonators. The varactors are ...
A New Family of Multiband Waveguide Filters Based on a Folded Topology

Melgarejo, Juan Carlos; Cogollos, Santiago; Guglielmi, Marco; Boria Esbert, Vicente Enrique (Institute of Electrical and Electronics Engineers, 2020-07)

[EN] In this article, we describe a new family of multiband waveguide filters based on a folded topology. The folded topology allows to use the filters of different orders and the introduction of transmission zeros. The ...
A Novel Magnetic Coupling for Miniaturized Bandpass Filters in Embedded Coaxial SIW

Sirci, Stefano; Martínez Pérez, Jorge Daniel; Boria Esbert, Vicente Enrique (MDPI AG, 2019-02-01)

[EN] In this paper, embedded coaxial substrate integrated waveguide (CSIW) filters with innovative magnetic couplings are presented and studied. By creating the loading capacitance of a combline topology using inner layers ...
A Systematic Design Procedure of Classical Dual-Mode Circular Waveguide Filters Using an Equivalent Distributed Model

Cogollos Borras, Santiago; Brumos Vicente, María; Boria Esbert, Vicente Enrique; Vicente Quiles, Carlos Pascual; Gil Raga, Jordi; Gimeno Martinez, Benito; Guglielmi, Marco (Institute of Electrical and Electronics Engineers (IEEE), 2012-04)

In this paper, we propose a systematic procedure for the accurate design of classical dual-mode filters in circular waveguide technology. The design procedure is based on the previous synthesis of an intermediate distributed ...
Accurate and Efficient Design of Double Post Substrate Integrated Waveguide Filters Using Simulators Based on Open Space Modal Expansions

Díaz Caballero, Elena; Morro, J. V.; Esteban González, Héctor; Boria Esbert, Vicente Enrique; Belenguer Martínez, Ángel (IEEE, 2012-11-12)

An Agressive Space Mapping (ASM) strategy for efficiently and accurately designing passive filters in substrate integrated waveguide (SIW) technology is presented and successfully validated for the double post topology. ...
Accurate consideration of metal losses at waveguide junctions using admittance and impedance integral equation formulations

Taroncher Calduch, Mariam; Hueso, J.; Cogollos, Santiago; Gimeno. B.; Boria Esbert, Vicente Enrique; Vidal Pantaleoni, Ana; Esteban González, Héctor; Gugliemi, M. (John Wiley & Sons, 2005)

[EN] At higher frequencies, metal loss effects in passive waveguide components become more pronounced and hazardous. In this paper, we propose two integral equation techniques, based on the generalized admittance and ...
Advanced Compact Setups for Passive Intermodulation Measurements of Satellite Hardware

Smacchia, Davide; Soto Pacheco, Pablo; Boria Esbert, Vicente Enrique; Guglielmi, Marco; Carceller Candau, Carlos; Ruiz-Garnica, Jesús; Galdeano, Jaione; Raboso García-Baquero, David (Institute of Electrical and Electronics Engineers, 2018)

[EN] This paper provides the guidelines for the practical development of novel advanced test beds for passive intermodulation(PIM) measurements. The proposed test beds show high performance and are flexible, allowing for ...
Advanced Filtering Solutions in Coaxial SIW Technology Based on Singlets, Cascaded Singlets, and Doublets

Sirci, Stefano; Sánchez-Soriano, Miguel Ángel; Martínez Pérez, Jorge Daniel; Boria Esbert, Vicente Enrique (Institute of Electrical and Electronics Engineers, 2019-03-04)

[EN] The use of singlets, cascaded singlets and doublets in coaxial substrate integrated waveguide (SIW) technology is proposed in this paper, with the aim of implementing low-loss filters with very compact size and ...
Advanced Techniques for the Characterization and Experimental Validation of Passive Inter-Modulation Effect (PIM) in Space Communications Systems

Smacchia, Davide (Universitat Politècnica de València, 2022-04-26)

[ES] Los satélites de telecomunicación operan en entornos multiportadora, bajo una demanda continua de mayores capacidades de transmisión. Esto ha originado un aumento en los niveles de potencia de RF, frecuencias de ...
Advanced Techniques for the Design and Optimization of Multi-Band and Reconfigurable Microwave Waveguide Filters

Melgarejo Lermas, Juan Carlos (Universitat Politècnica de València, 2021-09-02)

[ES] El creciente número de dispositivos intercambiando datos ha empujado a las empresas del sector espacial a utilizar bandas de frecuencia cada vez más altas, como Ku, K y Ka, ya que permiten emplear canales de frecuencia ...
Algoritmo automático para la combinación coherente de señales de RF y microondas

Bardisa Peña, María (Universitat Politècnica de València, 2017-02-21)

Este proyecto trata de analizar el comportamiento y la deriva de los sistemas de generación de señal de RF y microondas con el fin de conseguir una combinación coherente de los mismos en un híbrido. Para ello, se ha ...
Algoritmo y Sistema Automático de Medida Precisa de Parámetros S en Cámara Climática

Ruiz Garnica, Jesús (Universitat Politècnica de València, 2015-01-12)

El presente trabajo final de máster surge ante la necesidad de conseguir un sistema automático de medida precisa de parámetros S en cámara climática. Para ello se ha planteado realizar un programa en Labview que controle ...
An efficient integral equation technique for the analysis of arbitrarily shaped capacitive waveguide circuits

Quesada Pereira, Fernando Daniel; Vera Castejon, P.; Alvarez Melcon, Alejandro; Gimeno Martinez, Benito; Boria Esbert, Vicente Enrique (American Geophysical Union (AGU), 2011)

In this contribution a new and efficient integral equation formulation is presented for the analysis of arbitrarily shaped capacitive waveguide devices. The technique benefits from the symmetry of the structure in order ...
An Efficient Technique to Assess the Convergence of the Multimode Equivalent Network for Waveguide Devices

Gomez Molina, Celia; Quesada Pereira, Fernando; Alvarez Melcon, Alejandro; Boria Esbert, Vicente Enrique; Guglielmi, Marco (Institute of Electrical and Electronics Engineers, 2018-02)

[EN] Numerical methods are widely used to analyze and design microwave components for communication applications.In the implementation of any numerical technique, however, there are always a set of parameters ...
Analysis of multipactor effect using a phase-shift keying single-carrier digital modulated signal

Gonzalez Iglesias, Daniel; Belloch Rodríguez, María Pilar; Monerris Belda, Óscar; Gimeno Martinez, Benito; Boria Esbert, Vicente Enrique; Raboso García-Baquero, David; Semenov, Vladimir E. (Institute of Electrical and Electronics Engineers (IEEE), 2013-08)

The main aim of this paper is the analysis of the multipactor effect within a coaxial waveguide structure excited by a phase-shift keying single-carrier digital modulated signal. To reach this aim, we developed in-house a ...
Analysis of Multipactor RF Breakdown in a Waveguide Containing a Transversely Magnetized Ferrite

Gonzalez Iglesias, Daniel; Gomez, Alvaro; Gimeno Martinez, Benito; Fernández, o.; Vegas, A.; Casas, Fernando; Anza Hormigo, Sergio; Vicente Quiles, Carlos Pascual; Gil Raga, Jordi; Mata Sanz, Rafael; Montero, Isabel; Boria Esbert, Vicente Enrique; Raboso García-Baquero, David (Institute of Electrical and Electronics Engineers (IEEE), 2016-12)

In this paper, the multipactor RF breakdown in a parallel-plate waveguide partially filled with a ferrite slab magnetized normal to the metallic plates is studied. An external magnetic field is applied along the vertical ...
Analysis of the multipactor effect in circular waveguides excited by two orthogonal polarization waves

Pérez Pastor, Antonio María; Gimeno Martinez, Benito; Boria Esbert, Vicente Enrique; Anza Hormigo, Sergio; Vicente Quiles, Carlos Pascual; Gil Raga, Jordi (American Institute of Physics (AIP), 2014-08)

Circular waveguides, either employed as resonant cavities or as irises connecting adjacent guides, are widely present in many passive components used in different applications (i.e., particle accelerators and satellite ...
Analysis of wedge-shaped waveguides and design of multipactor-resistant microwave bandpass filters. Análisis de guías de onda en forma de cuña y diseño de filtros de microondas paso-banda resistentes al efecto multipactor

Hueso González, Jaime (Editorial Universitat Politècnica de València, 2013-11-19)

El efecto multipactor de ruptura en RF ha sido objeto de numerosos estudios desde hace más de 80 años, a partir del desarrollo de los primeros aceleradores de partículas en la primera mitad del siglo XX. A mediados de ...
Análisis de Banda Ancha de Filtros de Microondas con Geometrías Arbitrarias Empleando una Nueva Técnica de Descomposición en Valores Singula

Berenguer Alonso, Andrés (Universitat Politècnica de València, 2013-02-21)

[ES] En este trabajo se propone una técnica eficiente para el análisis de banda ancha de una amplia variedad de filtros de microondas. El método está basado en el conocido método BI-RME (Boundary Integral Resonant Mode ...