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Browsing by Author "Guglielmi, Marco"

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Browsing by Author "Guglielmi, Marco"

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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 ...
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    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 ...
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    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 ...
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    Capacitive Obstacle Realizing Multiple Transmission Zeros for In-Line Rectangular Waveguide Filters 
    Carceller Candau, Carlos; Soto Pacheco, Pablo; Boria Esbert, Vicente Enrique; Guglielmi, Marco (Institute of Electrical and Electronics Engineers (IEEE), 2016-10)
    This paper presents a capacitive obstacle for rectangular waveguide filters capable of realizing multiple transmission zeros (TZs). By combining a capacitive window with multiple thin stubs, a filter designer has the ability ...
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    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 ...
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    Design of Hybrid Folded Rectangular Waveguide Filters With Transmission Zeros Below the Passband 
    Carceller Candau, Carlos; Soto Pacheco, Pablo; Boria Esbert, Vicente Enrique; Guglielmi, Marco (Institute of Electrical and Electronics Engineers (IEEE), 2016-02)
    The design and physical implementation of hybrid folded rectangular waveguide filters providing multiple transmission zeros (TZs) below the passband are considered in this paper. These structures offer great flexibility ...
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    Diseño, Validación Experimental y Resintonización de Filtros en Guíaonda con Mapeo Espacial Agresivo (ASM) 
    Ossorio García, Javier (Universitat Politècnica de València, 2017-12-02)
    In this paper, we intend to apply the optimization technique known as Aggressive Space Mapping (ASM) to practical and professional aspects related to the space communications sector. Specifically, to microwaves filters ...
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    Evanescent-Mode Ridge-Waveguide Radiating Filters for Space Applications 
    Sánchez-Escuderos, Daniel; Ruiz-Garnica, Jesús; Baquero Escudero, Mariano; Soto Pacheco, Pablo; Boria Esbert, Vicente Enrique; Tosso, Giovanni; Angeletti, P.; GUGLIELMI, MARCO (Institute of Electrical and Electronics Engineers, 2019-10)
    [EN] This paper describes a new family of all-metallic radiators based on below-cutoff apertures fed by evanescentmode ridge waveguide filters. The pass band of the filters and the polarization of the apertures are configured ...
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    Experimental Validation of Multipactor Effect for Ferrite Materials Used in L- and S-Band Nonreciprocal Microwave Components 
    Vague Cardona, José Joaquín; Melgarejo-Lermas, Juan Carlos; Boria Esbert, Vicente Enrique; GUGLIELMI, MARCO; Moreno Cambroreno, María del Rocío; Reglero Mangada, Marta Sofía; Mata-Sanz, Rafael; Montero, Isabel; Gonzalez Iglesias, Daniel; GIMENO MARTINEZ, BENITO; Gomez, Alvaro; Vegas, Ángel; RABOSO GARCÍA-BAQUERO, DAVID (Institute of Electrical and Electronics Engineers, 2019-06)
    [EN] This paper reports on the experimental measurement of power threshold levels for the multipactor effect between samples of ferrite material typically used in the practical implementation of L-and S-band circulators ...
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    Exploring the Tuning Range of Channel Filters for Satellite Applications Using Electromagnetic-Based Computer Aided Design Tools 
    Ossorio-García, Javier; Vague Cardona, José Joaquín; Boria Esbert, Vicente Enrique; Guglielmi, Marco (Institute of Electrical and Electronics Engineers, 2018)
    [EN] The objective of this paper is to use electromagnetic-based computer-aided design (CAD) tools to investigate the maximum tuning range of channel filters, typically used in satellite payloads. Both circular and rectangular ...
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    High-Performance Compact Diplexers for Ku/K-Band Satellite Applications 
    Teberio, Fernando; Arregui, Iván; Soto Pacheco, Pablo; Laso, Miguel A.G.; Boria Esbert, Vicente Enrique; Guglielmi, Marco (Institute of Electrical and Electronics Engineers, 2017-10)
    [EN] In this paper, two novel compact diplexers for satellite applications are presented. The first covers the Ku-band with two closely spaced channels (Ku-transmission band: 10.7-13 GHz and Ku-reception band: 13.75-14.8 ...
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    Implementation of Waveguide Terminations With Low-Passive Intermodulation for Conducted Test Beds in Backward Configuration 
    Smacchia, Davide; Soto Pacheco, Pablo; Guglielmi, Marco; Morro, J. V.; Boria Esbert, Vicente Enrique; Raboso, David (Institute of Electrical and Electronics Engineers, 2019-10)
    [EN] This letter proposes a simple procedure to implement low-passive intermodulation (PIM) terminations in waveguide technology to measure conducted backward PIM. The procedure consists in inserting a filter before the ...
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    Multipactor Effect Characterization of Dielectric Materials for Space Applications 
    Vague Cardona, José Joaquín; Melgarejo-Lermas, Juan Carlos; Guglielmi, Marco; Boria Esbert, Vicente Enrique; Anza Hormigo, Sergio; Vicente Quiles, Carlos Pascual; Moreno Cambroreno, María del Rocío; Taroncher Calduch, Mariam; Gimeno Martínez, Benito; Raboso García-Baquero, David (Institute of Electrical and Electronics Engineers, 2018-08)
    [EN] The objective of this paper is to advance the state of the art in the characterization of the multipactor effect in dielectric materials. The materials studied are the most commonly used dielectrics in space applications, ...
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    Novel spatial domain integral equation formulation for the analysis of rectangular waveguide steps close to arbitrarily shaped dielectric and/or conducting posts 
    Quesada Pereira, Fernando Daniel; Gomez Molina, Celia; Alvarez Melcon, Alejandro; Boria Esbert, Vicente Enrique; Guglielmi, Marco (John Wiley & Sons, 2018-04)
    [EN] In this paper, a novel integral equation formulation expressed in the spatial domain is proposed for the analysis of rectangular waveguide step discontinuities. The important novelty of the proposed formulation is ...
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    On Multimode Equivalent Network Representation of Finite Arrays of Open-Ended Waveguides 
    Sánchez-Escuderos, Daniel; Baquero Escudero, Mariano; Soto Pacheco, Pablo; Boria Esbert, Vicente Enrique; Guglielmi, Marco (Institute of Electrical and Electronics Engineers, 2017)
    [EN] This communication describes a multimode equivalent network (MEN) representation of a finite array of open-ended lossless waveguides on an infinite ground plane. The derivation is based on an integral equation ...
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    On Space Mapping Techniques for Microwave Filter Tuning 
    Melgarejo-Lermas, Juan Carlos; Ossorio-García, Javier; Cogollos, Santiago; GUGLIELMI, MARCO; Boria Esbert, Vicente Enrique; Bandler, John W. (Institute of Electrical and Electronics Engineers, 2019-12)
    [EN] Space mapping (SM) and aggressive SM (ASM) techniques are widely used in the synthesis and design of microwave filters. Their popularity stems from the inherent simplicity of the procedures and from their effectiveness. ...
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    On the Alignment of Low-Fidelity and High-Fidelity Simulation Spaces for the Design of Microwave Waveguide Filters 
    Ossorio-García, Javier; Melgarejo-Lermas, Juan Carlos; Boria Esbert, Vicente Enrique; Guglielmi, Marco; Bandler, John (Institute of Electrical and Electronics Engineers, 2018)
    [EN] The objective of this paper is to advance the state of the art of aggressive space mapping (ASM) by demonstrating how, for resonant structures, and microwave filters in particular, an ASM-based optimization procedure ...
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    Waveguide Quadruplet Diplexer for Multi-Beam Satellite Applications 
    Ossorio García, Javier; Melgarejo Lermas, Juan Carlos; Cogollos, Santiago; Boria Esbert, Vicente Enrique; Guglielmi, Marco (Institute of Electrical and Electronics Engineers, 2020)
    [EN] The objective of this paper is to describe the design of an innovative and low-cost diplexer for Ka-band multi-beam satellite applications. The device is based on the use of two quadruplets to implement a number of ...