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Listar por autor "Cogollos Borras, Santiago"

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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 New Family of Reconfigurable Waveguide Filters and Diplexers for High-Power Applications

Melgarejo, Juan Carlos; Ossorio, Javier; Cogollos, Santiago; Guglielmi, Marco; San-Blas, Angel Antonio; Valencia-Sullca, Joaquín F.; Vidal Pantaleoni, Ana; Tronser, Tillman; Boria Esbert, Vicente Enrique (Institute of Electrical and Electronics Engineers, 2023)

[EN] In this paper, we discuss how the use of the recently developed modified tuning pin (MTP) can be extended to the design of filters and diplexers implemented in rectangular waveguide, that can be reconfigured in a ...
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 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 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 ...
Analysis and design of re-configurable combline filters using dielectric tuners

Sharma, Abhishek; Cogollos, Santiago; Boria Esbert, Vicente Enrique; Guglielmi, Marco (IEEE, 2022-04-07)

[EN] This article describes different tunable structures for typical waveguide combline filters. In this context, several configurations using dielectric tuners have been studied for resonators, inter-resonator couplings, ...
Análisis modal eficiente de dispositivos pasivos de microondas implementados con guías de sección transversal arbitraria

Marini, Stephan (Universitat Politècnica de València, 2019-11-25)

[EN] The general goal of this thesis is the development of a basic tool for the analysis of passive microwave and millimetre-wave devices used in the new generation of communication systems. In particular, the work is ...
Caracterización modal de guías arbitrarias y aplicación a dispositivos de microondas

Cogollos Borras, Santiago (Universitat Politècnica de València, 2009-06-05)

En esta tesis se desarrollan una serie de técnicas de análisis y diseño de dispositivos de microondas que harán hincapié en la necesidad de precisión y eficiencia en los mencionados procesos tanto para analizar como para ...
Compact Dual-Band and Wideband Filters With Resonant Apertures in Rectangular Waveguide

Valencia Sullca, Joaquín F.; Cogollos, Santiago; Boria Esbert, Vicente Enrique; Guglielmi, Marco (Institute of Electrical and Electronics Engineers, 2022-06)

[EN] The objective of this article is to describe a new family of microwave bandpass filters in the rectangular waveguide based on resonant apertures, which can be used to implement both single- and dual-band transfer ...
Compact Wideband Hybrid Filters in Rectangular Waveguide With Enhanced Out-of-Band Response

Valencia-Sullca, Joaquín Francisco; Boria Esbert, Vicente Enrique; Guglielmi, Marco; Cogollos, Santiago (Institute of Electrical and Electronics Engineers, 2020-01)

[EN] This paper describes the design procedure of a compact wideband waveguide filter, based on stepped impedance resonators (SIR) and a combined usage of capacitive and inductive coupling irises, that provides a significant ...
Compensation of the impact of low-cost manufacturing techniques in the design of E-plane multiport waveguide junctions

San Blas Oltra, Ángel Antonio; Roca, J. M.; Cogollos Borras, Santiago; Morro, J. V.; Boria Esbert, Vicente Enrique; Gimeno Martinez, Benito (American Geophysical Union (AGU), 2016-06)

In this work, a full-wave tool for the accurate analysis and design of compensated E-plane multiport junctions is proposed. The implemented tool is capable of evaluating the undesired effects related to the use of low-cost ...
Correction of manufacturing deviations in waveguide filters and manifold multiplexers using metal insertions

Cogollos Borras, Santiago; Carceller Candau, Carlos; Taroncher Calduch, Mariam; Boria Esbert, Vicente Enrique; GUGLIELMI, MARCO; Vicente Quiles, Carlos Pascual; Brumos Vicente, María (Cambridge University Press (CUP): STM Journals, 2015-06)

Microwave filters and multiplexers commonly employ tuning screws to compensate for small errors occurring during the fabrication process. Nevertheless, the use of tuning screws has some disadvantages, because the small ...
Design of compensated multiport waveguide junctions considering mechanization effects

San Blas Oltra, Ángel Antonio; Boria Esbert, Vicente Enrique; Gimeno Martinez, Benito; Cogollos Borras, Santiago (Elsevier, 2015-01)

tA new tool for the rigorous and efficient design of compensated multiport waveguide junctions, consider-ing the mechanization effects due to low-cost manufacture techniques, is presented. Several new designsfor a great ...
Design of microwave filters and multiplexers in waveguide technology using distributed models

Brumos Vicente, María (Universitat Politècnica de València, 2015-03-30)

This thesis introduces new design techniques for microwave filters and multiplexers in waveguide technology. These devices find wide application in communication systems, such as satellite links or wireless base stations. In ...
Diseño de Filtros con Acoplos Resonantes en Tecnología Planar Microstrip

Pons Carrasco, Carlos (Universitat Politècnica de València, 2023-10-05)

[ES] Durante el proyecto se pretende diseñar filtros de la forma más sistemática posible que contengan resonadores como elementos de acoplo entre líneas de transmisión que a su vez sean también resonadores. Con esta técnica ...
Diseño de filtros paso banda de microondas mediante GAPS y líneas acopladas

Peris Cuesta, Guillem (Universitat Politècnica de València, 2017-12-02)

This project is based on the band-pass filter design by using microstrip technology through gaps and coupled-line techniques. The main aim consists in comparing both methods to observe which one has the best response taking ...
Diseño de Nuevas Estructuras para Filtros Combline con Respuestas Avanzadas

Rubio Garrido, David (Universitat Politècnica de València, 2019-10-09)

[ES] Los filtros combline tienen un método de diseño bastante conocido. Sin embargo, si se estudian los acoplos de forma precisa, se observa que éstos varian con la frecuencia. Teniendo esta variación en cuenta en el proceso ...
Diseño de un filtro de espúreos y un diplexor embarcados en satélite

Melgarejo Lermas, Juan Carlos (Universitat Politècnica de València, 2020-01-02)

[ES] El objetivo de este trabajo es diseñar dos componentes de microondas para un satélite real en banda K: un filtro de espúreos y un diplexor. Ambos componentes fueron encargados al Departamento de Comunicaciones por la ...
Diseño de un filtro tribanda empleando una topología doblada

Melgarejo Lermas, Juan Carlos (Universitat Politècnica de València, 2020-01-02)

[ES] El objetivo de este trabajo es diseñar un filtro tribanda empleando una nueva topología de filtros doblados. Esta topología permite reducir el tamaño del filtro e introducir ceros de transmisión en cada canal. En este ...
Diseño y simulación de filtros de banda múltiple con técnicas de multiplexado analógico

Micó Soler, Pablo (Universitat Politècnica de València, 2017-05-03)

Se pretende que el alumno diseñe filtros de banda múltiple usando las mismas técnicas que se usan para diseñar multiplexores de satélite en sus diferentes configuraciones (acoplados por circuladores o por colector). De esa ...