Programa del congreso
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Resumen de las sesiones |
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M.1.3: SE-CPE-1: Componentes pasivos para aplicaciones espaciales (I)
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10:00 - 10:15
Circulador de unión en Y basado en una guía ondas integrada en substrato vacío para banda Ka 1Universidad de Castilla-La Mancha, España; 2Universidad de Bretaña Occidental, Francia Empty substrate integrated waveguide (ESIW) is a transmission line that appeared to improve the well-known substrate integrated waveguide (SIW). This improvement consists of removing the dielectric substrate that does not allow the SIW performance to be good at high frequency. As it is a relatively new technology, not all the devices that have been presented based on SIW technology have been designed in ESIW. One of the devices that has not been designed yet in ESIW is a circulator. Thus, a ferrite-based Y-junction circulator designed and fabricated in ESIW technology to operate at a central frequency of 30 GHz is presented. The results obtained by the full wave simulations and the experimental measurements exhibit the correct operation of the circulator at Ka band.
10:15 - 10:30
Diseño de filtros paso-banda en configuración interdigital cargados con tiras metálicas de geometría plana 1Instituto de Investigación en Ingeniería de Elche - I3E, Universidad Miguel Hernández de Elche; 2Departamento de Física, Ingeniería de Sistemas y Teoría de la Señal, Universidad de Alicante; 3Departamento de Comunicaciones - iTEAM, Universidad Politécnica de Valencia In this work, we present a new compact topology of interdigital bandpass filters implemented in coaxial waveguide technology. Compared to classical coaxial resonators, which are typically loaded with cylindrical metallic posts, the resonators that we propose are based on rectangular cavities loaded with flat metallic strips of a finite thickness. The main advantages of the proposed topology are compactness and low-cost practical realization. The design process, which is based on the calculation of the input/output and the inter-resonator couplings, employs the well-known Aggressive Space Mapping technique, with the aim of reducing the overall computation effort. In order to validate the new proposed topology and the design procedure, interdigital filters of orders 3 and 5 operating in the S-band have been designed. For validation purposes, the obtained results have been successfully compared to data provided by two different full-wave software tools (Ansys HFSS and CST Studio Suite).
10:30 - 10:45
Filtro Notch HTS para Supresión de RFI en Receptores VGOS 1Observatorio de Yebes, España; 2Estaçao RAEGE de Santa Maria, Portugal Este artículo muestra la solución adoptada para suprimir una interferencia generada por un potente radar de basura espacial a 1,75 Km de la estación RAEGE Santa María.Dada la alta sensibilidad requerida en los receptores radioastronómicos, los filtros superconductores de alta temperatura (HTS) son la mejor solución a adoptar para degradar en la menor medida de lo posible los receptores ultra sensibles utilizados. Por ello, un filtro HTS basado en resonadores espirales ha sido diseñado, fabricado e instalado en la estación. El rechazo de este filtro ha permitido al radiotelescopio RAEGE Santa María observar en presencia de este radar.
10:45 - 11:00
Diseño de un Diplexor en Tecnología Empty Substrate Integrated Waveguide 1Instituto de Telecomunicaciones y Aplicaciones Multimedia, Universitat Politècnica de València. Spain. 46022 Valencia; 2Departamento de Ingeniería Eléctrica, Electrónica, Automática y Comunicaciones, Universidad de Castilla-La Mancha. Escuela Politécnica de Cuenca, Campus Universitario, 16071 Cuenca, Spain. This paper presents the practical implementation of a diplexer, for satellite applications designed using Empty Substrate Integrated Waveguide (ESIW) technology. The proposed diplexer comprises two bandpass ESIW filters based on inductive windows and a resonant T-junction. The filters are centered at 11.575 GHz and 11.825 GHz, both with bandwidths of 155 MHz. The proposed diplexer demonstrates return and insertion losses better than 23 dB and lower than 0.30 dB, respectively, as well as an isolation level better than 30 dB. This technology enables the creation of a high-performance diplexer with a focus on Size, Weight, Power, and Cost (SWaP-C) as crucial indexes.
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