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 ...
[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 ...
[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 ...
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 ...
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 ...
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 ...
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 ...
[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 ...
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 ...
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 ...
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 ...
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 ...
Vague, José Joaquín; Rubio Garrido, David; Fuentes-Pascual, Miguel Ángel; Cogollos, Santiago; Baquero Escudero, Mariano; Boria Esbert, Vicente Enrique; Guglielmi, Marco(Institute of Electrical and Electronics Engineers, 2021-07)
[EN] In this paper we describe several alternative inline
implementations for combline filters with transmission zeros
located both below and above the pass-band. A systematic design
procedure is also presented using a ...
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, ...
Valencia Sullca, Joaquín Francisco(Universitat Politècnica de València, 2022-01-17)
[ES] La presente tesis doctoral tiene como objetivo fundamental desarrollar nuevas estructuras capacitivas de filtrado en guía de ondas rectangular que sean capaces de proporcionar mayores ancho de banda en la banda de ...
[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 ...
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 ...
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. ...
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 ...
[EN] The objective of this paper is to demonstrate how inline combline filters can be designed to implement transmission zeros in the filter transfer function. Following the design procedure described in this paper, up to ...