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Teniente Vallinas, Jorge

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https://academica-e.unavarra.es/handle/2454/50076

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Teniente Vallinas

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Jorge

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Ingeniería Eléctrica, Electrónica y de Comunicación

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ISC. Institute of Smart Cities

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0000-0001-9643-5479

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2694

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    PublicationOpen Access
    Diseño de una antena dual gaussiana de doble profundidad de corrugación
    (2003) Ortiz Pérez de Eulate, Noelia; Teniente Vallinas, Jorge; Gonzalo García, Ramón; Río Bocio, Carlos del; Ingeniería Eléctrica y Electrónica; Ingeniaritza Elektrikoa eta Elektronikoa
    In this paper a new design of a dual-band corrugated horn antenna is presented. The design is based on a gaussian profile to allow high pattern symmetry, low-crosspolar levels and low-side-lobes over a wide frequency range. To achieve a dual-band corrugated horn antenna, dual depth corrugations were used along the whole profile. The design presents a nice far field radiation pattern, which is compatible with the frequency reuse requirements in satellite communication antennas. The horn has been designed to operate in two frequency bands between X, Ku and K bands. Simulations and measurements show pretty good radiation patterns with return loss below –20dB and crosspolar-levels below –30dB in both frequency bands.
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    PublicationOpen Access
    Silicon integrated subharmonic mixer on a photonic-crystal platform
    (IEEE, 2021) Torres García, Alicia E.; Pérez Escudero, José Manuel; Teniente Vallinas, Jorge; Gonzalo García, Ramón; Ederra Urzainqui, Íñigo; Ingeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio Ingeniaritzaren; Institute of Smart Cities - ISC; Ingeniería Eléctrica, Electrónica y de Comunicación
    This paper presents a planar silicon integrated subharmonic mixer on top of a photonic-crystal platform. The local oscillator (LO) power is injected through a 2D photoniccrystal (PC) slab to a resonant cavity that effectively couples the signal to a planar bow-tie antenna. The same antenna, which is printed on the top of the PC cavity, contains an antiparallel Schottky diode pair which performs the down-conversion. The proposed design is a simple, easy to integrate, low cost, low profile device. Moreover, the described fabrication process is compatible with active components integration. The performance of the design has been experimentally demonstrated showing good agreement with the simulation and is comparable with the stateof-the-art of planar mixers. The work presented here is based on concepts and technologies from electronics and photonics domains and may be a good starting point for the creation of new devices, allowing the integration and upgrading of existing techniques from both worlds.