Jarauta Ayensa, Eduardo

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Jarauta Ayensa

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Eduardo

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Ingeniería Eléctrica, Electrónica y de Comunicación

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Now showing 1 - 6 of 6
  • PublicationOpen Access
    Coupling in metamaterial structures and devices
    (2023) Jarauta Ayensa, Eduardo; Falcone Lanas, Francisco; Ingeniería Eléctrica, Electrónica y de Comunicación; Ingeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio Ingeniaritzaren
    En esta tesis se abordan algunos de los retos de las comunicaciones actuales desde el punto de vista de diseño de dispositivos. La tesis se estructura en tres capítulos: En el primero de ellos se presentan las líneas de transmisión en tecnología plana que se emplearán a lo largo de la tesis: microstrip, stripline y substrato integrado de guía de onda. Se realizará un estudio de las partículas resonador de anillos cortados y su complementario. También se realiza un análisis teórico de una línea con comportamiento metamaterial diseñada sobre una línea microstrip usando los resonadores presentados `previamente. Por último se exponen unos apuntes teóricos sobre acoplo.El segundo capítulo comienza con la implementación de un acoplador hacia atrás con el uso de la línea metamaterial en microstrip, extendiendo la idea al diseño de duplexores y multiplexores. También en microstrip se presentan resonadores de alto factor de calidad, divisores de potencia y filtros. En tecnología stripline se presenta un resonador de pequeño tamaño, y dos tipologías de filtros: filtro rechazo de banda y filtro paso banda. En este capítulo también se presenta una investigación sobre cómo el filtro definido anteriormente se integraría en una estructura de matriz de rejilla de bolas, del inglés “ball grid array” (BGA). Para terminar el capítulo se analiza el comportamiento de una línea SIW cuando es cargada con resonadores de anillos cortados complementarios. El diseño de los dispositivos es complementado con un análisis teórico de su circuito equivalente En el tercer capítulo se extienden las ideas expuestas en el capítulo 2, pero para el diseño de dispositivos multicapa. Empezando con la línea de transmisión microstrip, se han diseñado resonadores divisores de potencia, duplexores y multiplexores. En tecnología stripline se presenta el diseño de un amplio catálogo de dispositivos, como son divisores de potencia, duplexores, resonadores y filtros. Para finalizar se presentan tres líneas futuras de trabajo: diseño de dispositivos con mayor número de capas, diseño de dispositivos en más altas recuencias, diseño en nuevas líneas de transmisión como substrato integrado de guía de onda corrugado.
  • PublicationOpen Access
    Characterization of multilayer coupling based on square complementary split ring resonator for multiport device implementation
    (MDPI, 2023) Jarauta Ayensa, Eduardo; Iriarte Galarregui, Juan Carlos; Falcone Lanas, Francisco; Ingeniería Eléctrica, Electrónica y de Comunicación; Institute of Smart Cities - ISC; Ingeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio Ingeniaritzaren
    The advent of context-aware environments and related applications demands a high degree of connectivity, with new spectral bands and related radio resource management functionalities in the current 5G bands and foreseen in future 6G wireless communication systems. This, in turn, poses new challenges in the implementation of wireless transceivers and radiating systems, in terms of device integration, miniaturization and element isolation, among others. High-performance miniature devices are presented and studied in this work, aided by metamaterial-inspired complementary resonators. A single particle is used to build a single layer, double layer, double frequency resonators and power dividers. A complete characterization of each equivalent circuit is also analyzed, showing great agreement between analytical circuit models and full-wave electromagnetic simulations. By adding more particles, different diplexers and triplexers in the multi-layer configuration are proposed. The flexibility in the design is the key advantage, as all devices are easily tunable and the output lines can be built in different layers, enabling frequency scalability from RF to millimeter wave ranges. Nevertheless, they are only a sample of all possible combinations of devices that can be designed for integration in future wireless communication systems.
  • PublicationOpen Access
    Implementacion de línea de ε negativa en tecnología stripline
    (2009) Illescas, Jesús; Jarauta Ayensa, Eduardo; Estévez González, Aritz; Marcotegui Iturmendi, José Antonio; Falcone Lanas, Francisco; Ingeniería Eléctrica y Electrónica; Ingeniaritza Elektrikoa eta Elektronikoa
    In this work, a negative-ε equivalent response medium is proponed in stripline technology. To achieve band rejection behaviour, Complementary Split Ring Resonators (CSRR) are placed in the central conductor strip of a conventional stripline planar transmission line. Due to strong normal electric field incidence, adequate excitation of the stripline is achieved, leading to band rejection in the quasi-static resonance frequency of the CSRR particles. Full wave simulation results from our own FDTD code and measurement results are presented, showing good agreement.
  • PublicationOpen Access
    Response of complementary split ring resonators in composite stratified substrate integrated waveguide
    (American Institute of Physics, 2017) Pérez Escudero, José Manuel; Jarauta Ayensa, Eduardo; Falcone Lanas, Francisco; Beruete Díaz, Miguel; Ingeniaritza Elektrikoa eta Elektronikoa; Institute of Smart Cities - ISC; Ingeniería Eléctrica y Electrónica
    In this work, the behavior of a Complementary Split Ring Resonator (CSRR) operating within the quasi-static resonance regime and embedded in a composite stratified Substrate Integrated Waveguide (SIW) with two different dielectric layers is analyzed. In these conditions, the propagating modes within the SIW combined with the imposed non-symmetrical structure lead to the excitation of the CSRR elements inside the SIW at difference with conventional excitation. Several cases of CSRR loaded SIW are proposed, and their electromagnetic field components as well as their frequency response are analyzed, providing insight into the CSRR resonance excitation. A test prototype has been designed, fabricated, and measured, showing a good agreement with simulation results and providing a new alternative for the implementation of compact frequency selective devices compatible with planar technology and without undesired radiation loss.
  • PublicationOpen Access
    Stripline multilayer devices based on Complementary Split Ring Resonators
    (MDPI, 2022) Jarauta Ayensa, Eduardo; Falcone Lanas, Francisco; Ingeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio Ingeniaritzaren; Institute of Smart Cities - ISC; Ingeniería Eléctrica, Electrónica y de Comunicación
    A new analytic design for multilayer stripline devices in planar circuit technology is presented. The Complementary Split Ring Resonator (CSRR) is used as a sub-wavelength resonant particle, which provides high-Q resonances in a compact size. The electromagnetic field distribution achieved along the stripline enables enhanced excitation of the resonators. An optimal solution for multilayer power dividers is presented, in a configuration in which each output is obtained in different layers and also in a different layer than the input line. The solution is expanded to design different devices, such as diplexers, resonators, and multi-frequency resonators, leading to vertical filters. As the resonances are achieved by stacking resonators, the effective circuit footprint is very compact. The proposed devices can be implemented in a volumetric chip fashion, allowing integration with planar transmission line circuits and flexible output connection placement. A complete analysis of the different devices is proposed, extracting and verifying their equivalent circuit models.
  • PublicationOpen Access
    Coupling in multilayer devices
    (2021) Jarauta Ayensa, Eduardo; Falcone Lanas, Francisco; Ingeniería; Institute of Smart Cities - ISC; Ingeniaritza
    Novel design for devices in multilayer stacked is proposed. Split Ring resonators and Complementary Split Ring resonators are used, in microstrip or dual stripline-microstrip configuration to build different devices. A double frequency resonator and a multilayer triplexer are presented among the paper.