Listar por autor "Márquez-Segura, Enrique"
Mostrando ítems 1-20 de 25
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A 3D-printed Prototype of a Miniaturized Top-Metalized Rectangular Dielectric Resonator Antenna
Sofokleous, Paris; Herraiz Martínez, Francisco Javier; Paz, Eva; Márquez-Segura, Enrique
; Padilla, Pablo; Pérez-Escribano, Mario[et al.] (URSI, 2024-09)
This paper presents a 3D-printed prototype of a novel top-metalized Dielectric Resonator Antenna (DRA). The inclusion of top metallization induces a modification in the boundary conditions, resulting in a frequency reduction ... -
Additive manufacturing of rectangular waveguide devices for teaching microwave laboratory
Márquez-Segura, Enrique (2019-07-16)
In this paper the outline of using of low-cost additive manufacturing FDM/FFF technology to build waveguide devices is presented. The focus is set in a full design from specifications to final measurements in a microwave ... -
Análisis y diseño de filtros diferenciales basados en líneas acopladas
Sánchez-Martínez, Juan José; Márquez-Segura, Enrique (2014-09-11)
The design of differential bandpass filters using coupled lines is presented. The topology proposed, consisting of short-circuited coupled lines is analyzed by means of analytical equations. The study is carried out by ... -
Análisis y Diseño de Filtros Paso Banda con Alta Selectividad Espectral Basados en Líneas de Transmisión Multiconductoras
Sánchez-Martínez, Juan José; Márquez-Segura, Enrique (2013-09-19)
A new wideband planar bandpass filter consists of two series wire-bonded multiconductor transmission lines (MTL) and a shunt short-circuited MTL is presented and analyzed. A comprehensive study of the proposed topology ... -
Analysis and design of enhanced planar devices using multiconductor transmission lines with interconnected alternate lines
(Universidad de Málaga, Servicio de Publicaciones y Divulgación Científica, 2014)Novel capabilities and applications of multiconductor transmission lines with interconnected alternate lines have been analyzed in this work. The interconnections among alternate strips broaden the operating frequency band ... -
Analytical design of compact multiband bandpass filters with multiconductor transmission lines and shunt open stubs
Pérez-Escribano, Mario; Márquez-Segura, Enrique; Sánchez-Martínez, Juan José (MDPI, 2023-04-24)
A compact topology for implementing compact multiband bandpass filters is presented in this paper. To achieve the desired frequency response, two identical short-circuited multiconductor transmission lines (MTLs) and ... -
Broadband parasitic modeling of diodes in the millimeter-wave band
Pérez-Escribano, Mario; Palomares-Caballero, Ángel; Padilla, Pablo; Valenzuela-Valdés, Juan Francisco; Márquez-Segura, Enrique (Elsevier, 2024-03-06)
This paper presents the extraction of an equivalent circuit model for PIN diodes and varactors in the millimeter waves. This circuit model is handy for new communication applications involving, for example, electronic beam ... -
Caracterización en banda ancha de la constante de propagación de materiales de impresión 3D
Pérez-Escribano, Mario; Márquez-Segura, Enrique (2020-09-21)
In this work, a method for the characterization of the relative permittivity in broadband of 3D printing materials is proposed. It uses microstrip lines of different lengths covered with the material to be characterized. ... -
Characterization techniques for microwave and millimeter-wave circuit design using additive manufacturing and multiconductor transmission lines
Pérez-Escribano, Mario (UMA Editorial, 2022-07-07)
En esta tesis doctoral se han estudiado varias técnicas para la caracterización de líneas de transmisión. A partir de la medida de parámetros S de 2 puertos de líneas de distinta longitud es posible estimar la constante ... -
Desarrollo de antena espiral con alimentación lateral realizada mediante fabricación aditiva
This contribution presents an step-by-step design and manufacturing of a spiral antenna with lateral feeding mainly for automotive applications. The spiral antenna is intended to work in Ultra-Wide Band (UWB), a new ... -
Desarrollo e integración de un sensor modular y flexible en la banda de ondas milimétricas para aplicaciones de automoción
Martín-Bayona, Francisco-José; Villalba-Calvillo, Guillermo; Pérez-Escribano, Mario; Oliva, Jaime; Rojas, Antonio; Cobos, Sergio; Márquez-Segura, Enrique[et al.] (2020-09-21)
This paper presents the development of a full prototype of a millimetre wave sensor for automotive radar in the 77-81GHz frequency band. The interest in millimetre wave sensors has grown significatively in the last ten ... -
Diseño analítico de filtros multibanda con líneas de transmisión multiconductoras y stubs en abierto
A new topology for implementing multiband bandpass filters is presented in this paper. Two identical shortcircuited multiconductor transmission lines (MTL) and several shunt open stubs are interconnected to achieve the ... -
Efectos de la Conductividad en la Estimación de los Parámetros de Propagación de una Línea Stripline Fabricada Mediante Impresión de Tintas Conductoras
This contribution presents the characterization of a stripline embedded in a coaxial system. The stripline has been manufactured using HIPS as the main substrate. The metallic strip has been manufactured on 50mm thick ... -
End-launcher repeatability in broadband methods for characterization of the propagation constant of transmission lines using two-port measurements.
Pérez-Escribano, Mario; Márquez-Segura, Enrique (IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, 2022-04-09)
This work presents an analysis of the influence of connector repeatability in three different methods for estimating the propagation constant of transmission lines from two-port measurements. For this purpose, the repeatability ... -
Fabricación aditiva de atenuadores variables de veleta rotatoria en guía de onda
Márquez-Segura, Enrique; Otter, William J.; Lucyszyn, Stepan; Ridler, Nick (2019-10-14)
Rotary Vane Attenuator is considered an industry standard in precision waveguide attenuators. These attenuators exhibit high accuracy, repeatability and reliability. In this paper, the design and fabrication of a rotary ... -
Fuentes de error aleatorio en la estimación de la constante de propagación de líneas de transmisión usando medidas de dos puertos
In this contribution, we study different error sources that affect the estimation of the propagation constant in broadband methods. For this purpose, a study on the state-of-the-art has been made. The behavior of different ... -
Miniaturized Top-Metalized 3D-printed Rectangular Dielectric Resonator Antenna.
Herraiz Martínez, Francisco Javier; Pérez-Escribano, Mario; Sofokleous, Paris; Padilla, Pablo; Márquez-Segura, Enrique (2024)
This paper introduces a novel top-metalized Dielectric Resonator Antenna (DRA). The inclusion of top metallization induces a modification in the boundary conditions, resulting in a frequency reduction in the fundamental ... -
Miniaturized top-metallized rectangular dielectric resonator antenna
Pérez-Escribano, Mario; Herraiz Martínez, Francisco Javier; Márquez-Segura, Enrique (Sección Española de la Unión Científica Internacional de Radio, 2018-09)
In this paper, a modal analysis of a rectangular dielectric resonator antenna (DRA), with unconventional boundary conditions, is carried out. Analytical equations of the fields inside the resonator and simulations are ... -
Parameters characterization of dielectric materials samples in microwave and millimeter-wave bands
Pérez-Escribano, Mario; Márquez-Segura, Enrique (IEEE Transactions on Microwave Theory and Techniques, 2021-03-06)
In this work, an optimized broadband method using multilayer transmission lines to characterize dielectric permittivity and loss tangent of material samples is presented. For this purpose, a microstrip line loaded with a ... -
Performance Evaluation of Broadband Characterization of Coupled Transmission Lines Even- and Odd-Mode Propagation Constants Using Differential and Common Mode S-Parameters
Pérez-Escribano, Mario; Márquez-Segura, Enrique (IEEE Journal of Microwaves, 2023)
This work encompasses some relevant issues that arise when using a broadband method to characterize the even and odd mode propagation constants of symmetric microstrip coupled lines using four-port pure-mode differential ...