Jarauta Ayensa, Eduardo
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Jarauta Ayensa
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Eduardo
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IngenierĆa ElĆ©ctrica, Electrónica y de Comunicación
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Publication Open Access Implementacion de lĆnea de ε negativa en tecnologĆa stripline(2009) Illescas, JesĆŗs; Jarauta Ayensa, Eduardo; EstĆ©vez GonzĆ”lez, Aritz; Marcotegui Iturmendi, JosĆ© Antonio; Falcone Lanas, Francisco; IngenierĆa ElĆ©ctrica y Electrónica; Ingeniaritza Elektrikoa eta ElektronikoaIn 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.Publication Open Access Response of complementary split ring resonators in composite stratified substrate integrated waveguide(American Institute of Physics, 2017) PĆ©rez Escudero, JosĆ© Manuel; Jarauta Ayensa, Eduardo; Falcone Lanas, Francisco; Beruete DĆaz, Miguel; Ingeniaritza Elektrikoa eta Elektronikoa; Institute of Smart Cities - ISC; IngenierĆa ElĆ©ctrica y ElectrónicaIn 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.Publication Open 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; IngenierĆa ElĆ©ctrica, Electrónica y de ComunicaciónA 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.Publication Open 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; IngenierĆa ElĆ©ctrica, Electrónica y de Comunicación; Institute of Smart Cities - ISC; Ingeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio IngeniaritzarenThe 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.Publication Open Access Coupling in metamaterial structures and devices(2023) Jarauta Ayensa, Eduardo; Falcone Lanas, Francisco; IngenierĆa ElĆ©ctrica, Electrónica y de Comunicación; Ingeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio IngeniaritzarenEn esta tesis se abordan algunos de los retos de las comunicaciones actuales desde el punto de vista de diseƱo de dispositivos. La tesis se estructura en tres capĆtulos: En el primero de ellos se presentan las lĆneas de transmisión en tecnologĆa plana que se emplearĆ”n a lo largo de la tesis: microstrip, stripline y substrato integrado de guĆa de onda. Se realizarĆ” un estudio de las partĆculas resonador de anillos cortados y su complementario. TambiĆ©n se realiza un anĆ”lisis teórico de una lĆnea con comportamiento metamaterial diseƱada sobre una lĆnea microstrip usando los resonadores presentados `previamente. Por Ćŗltimo se exponen unos apuntes teóricos sobre acoplo.El segundo capĆtulo comienza con la implementación de un acoplador hacia atrĆ”s con el uso de la lĆnea metamaterial en microstrip, extendiendo la idea al diseƱo de duplexores y multiplexores. TambiĆ©n en microstrip se presentan resonadores de alto factor de calidad, divisores de potencia y filtros. En tecnologĆa stripline se presenta un resonador de pequeƱo tamaƱo, y dos tipologĆas de filtros: filtro rechazo de banda y filtro paso banda. En este capĆtulo tambiĆ©n se presenta una investigación sobre cómo el filtro definido anteriormente se integrarĆa en una estructura de matriz de rejilla de bolas, del inglĆ©s āball grid arrayā (BGA). Para terminar el capĆtulo se analiza el comportamiento de una lĆnea SIW cuando es cargada con resonadores de anillos cortados complementarios. El diseƱo de los dispositivos es complementado con un anĆ”lisis teórico de su circuito equivalente En el tercer capĆtulo se extienden las ideas expuestas en el capĆtulo 2, pero para el diseƱo de dispositivos multicapa. Empezando con la lĆnea de transmisión microstrip, se han diseƱado resonadores divisores de potencia, duplexores y multiplexores. En tecnologĆa stripline se presenta el diseƱo de un amplio catĆ”logo de dispositivos, como son divisores de potencia, duplexores, resonadores y filtros. Para finalizar se presentan tres lĆneas futuras de trabajo: diseƱo de dispositivos con mayor nĆŗmero de capas, diseƱo de dispositivos en mĆ”s altas recuencias, diseƱo en nuevas lĆneas de transmisión como substrato integrado de guĆa de onda corrugado.Publication Open Access Coupling in multilayer devices(2021) Jarauta Ayensa, Eduardo; Falcone Lanas, Francisco; IngenierĆa; Institute of Smart Cities - ISC; IngeniaritzaNovel 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.