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 ...
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 ...
In this paper we propose a novel Ka-band waveguide diplexer for passive intermodulation (PIM) measurements. Due to the higher operating frequency, this type of measurement setup usually requires wideband filters. In ...
[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 ...
[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, ...
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 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 ...
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 ...
Morales-Hernández, Aitor; Sánchez-Soriano, Miguel Á.; Marini, Stephan; Reglero Mangada, Marta Sofía; Esteve, Laura; Boria Esbert, Vicente Enrique; Guglielmi, Marco(Cambridge University Press, 2021-09)
[EN] This paper studies the corona discharge power thresholds in microstrip bandpass filters (BPFs) and, in particular, is focused on a solution based on lambda/2 cover-ended resonators to enhance their peak power handling ...
[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 ...
Valencia-Sullca, Joaquín Francisco; Guglielmi, Marco; Cogollos, Santiago; Boria Esbert, Vicente Enrique(Institute of Electrical and Electronics Engineers, 2021-08)
[EN] The objective of this article is to describe the design of a new family of wideband filters in a rectangular waveguide based on hybrid couplings and a staircase configuration. The use of E-plane T-junctions and E-plane ...
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 ...
Morales-Hernández, Aitor; Sánchez-Soriano, Miguel Á.; Marini, Stephan; Boria Esbert, Vicente Enrique; Guglielmi, Marco(Institute of Electrical and Electronics Engineers, 2021-03)
[EN] This work describes a new strategy for improving the peak power handling capability (PPHC) of microstrip bandpass filters (BPFs) without any degradation in the electrical performance. For this purpose, a new resonator ...
Cogollos, Santiago; Cameron, Richard J.; Guglielmi, Marco; Melgarejo, Juan Carlos; Boria Esbert, Vicente Enrique(Institute of Electrical and Electronics Engineers, 2022)
[EN] The objective of this paper is to show how inductive quadruplets with diagonal cross-couplings can be used as building blocks for filters in rectangular waveguide. Starting with the coupling matrix synthesis, we show ...