
- RIUMA Principal
- Listar por autor
Listar por autor "Camacho-Peñalosa, Carlos"
Mostrando ítems 1-20 de 43
-
A Broadband Cavity-Backed Slot for Series-Fed Arrays
Hernández Escobar, Alberto (UMA Editorial, 2022-01-26)A pesar de que el diseño de antenas en el contexto de los sistemas de comunicaciones es uno de los desafíos más clásicos en la ingeniería de telecomunicación, las antenas para nuevas aplicaciones y servicios de reciente ... -
A wideband equivalent circuit for stripline-fed cavity-backed slot radiating elements
Hernández-Escobar, Alberto; Abdo-Sánchez, María Elena; Camacho-Peñalosa, Carlos
(IEEE, 2019-11)
An equivalent circuit for stripline-fed cavity-backed slot radiating elements is proposed. The proposed equivalent circuit consist of a transmission line model for the slot mode, a slot end-effect which includes the ... -
An equivalent-circuit topology for lossy non-symmetric reciprocal two-ports
Hernández-Escobar, Alberto; Abdo-Sánchez, María Elena; Mateos-Ruiz, Pablo; Esteban, Jaime; Martín-Guerrero, Teresa María
; Camacho-Peñalosa, Carlos
[et al.] (IEEE Journal of Microwaves, 2021-07)
An equivalent-circuit topology for two-port lossy non-symmetric reciprocal networks is proposed. The circuit topology is based on the eigenstate decomposition. The proposed circuit consists of two immittances and two ... -
Análisis Preliminar del Strip-slot Complementario en Tecnología Stripline
A stripline-fed slot antenna configuration is proposed using planar technology. Its main advantages are the broad impedance bandwidth available and the radiation in only one half-space, which are obtained with the use of ... -
Analytical Eigenstate Equivalent Circuit for Narrow-Slot Bi-Periodic Scatterers
Hernández-Escobar, Alberto; Mesa, Francisco; Esteban, Jaime; Abdo-Sánchez, María Elena; Martín-Guerrero, Teresa María
; Camacho-Peñalosa, Carlos
[et al.] (2023-07)
The analytical values of the parameters of an eigenstate-based equivalent circuit are obtained for the analysis and modeling of a simple bi-periodic scatterer. The scatterer geometry consists of a rotated, very narrow slot. ... -
Antenas Fabry-Pérot con apertura uniforme y mejora del ancho de banda.
A design methodology to realize Fabry-Pérot cavity antennas with very high aperture efficiency and improved bandwidth is presented. The antenna is based on a tapered Partially Reflective Surface, and its characteristics ... -
Arrays planares basados en el elemento strip-slot complementario
Abdo-Sánchez, María Elena; Martín-Guerrero, Teresa María
; Page de la Vega, Juan Enrique; Esteban Marzo, Jaime; Camacho-Peñalosa, Carlos
(2013-09-13)
Recently, the authors introduced a novel planar radiating element that exploits the characteristics of the slotline microstrip coupling to obtain a microstrip-fed slot with broadband matching. This paper reviews the main ... -
Automatic Extraction of Measurement-Based Large-Signal FET Models by Nonlinear Function Sampling.
Martín-Guerrero, Teresa María; Santarelli, Alberto; Gibiino, Gian Piero; Traverso, Pier Andrea; Camacho-Peñalosa, Carlos
; Filicori, Fabio[et al.] (IEEE, 2020-03-27)
A new method is proposed for the accurate experimental characterization and fully automated extraction of compact nonlinear models for Field-Effect Transistors (FETs). The approach, which leads to a charge-conservative ... -
A Broadband Bow-Tie Cavity-Backed Slot for Traveling-Wave Arrays in the Millimeter-Wave Band
The use of bow-tie geometries to enhance the characteristics of a radiating element previously proposed by the authors is presented. The previous element consisted of a broadband cavity-backed slot in transmission ... -
Building Arrays with the Unidirectional-Radiating Complementary Strip-Slot
Hernández Escobar, Alberto; Abdo-Sánchez, María Elena; Camacho-Peñalosa, Carlos
(Iñigo Cuíñas Gómez, 2021-09)
An upgraded version of the complementary stripslot radiating element is reviewed. The original radiating element consists in a microstrip-fed slot in transmission configuration. In the proposed modification, the slot is ... -
Caracterización de modelos no-lineales casi-estáticos a partir de las formas de onda en régimen de gran señal
Pérez-Parras, Sergio Luis; Martín-Guerrero, Teresa María
; Baños-Polglase, Juana Daphne
; Camacho-Peñalosa, Carlos
(2018-09-07)
A method to extract the conduction and displacement components of nonlinear quasi-static current sources controlled by two variables is concisely described. The method is numerically tested by means of two different ... -
Caracterización no-lineal de dispositivos de un puerto basada en el principio de distorsión poli-armónica
Martín-Guerrero, Teresa María; Entrambasaguas-Muñoz, José Tomás
; Camacho-Peñalosa, Carlos
(2017-09-13)
In this contribution the computation of a nonlinear diode model based on the Poly-Harmonic Distortion principle is described. The diode is composed of a non-linear conductance shunt connected to a non-linear capacitance, ... -
Circuito equivalente analítico basado en vectores y valores propios para superficies periódicas con ranuras estrechas.
Hernández-Escobar, Alberto; Mesa, Francisco; Esteban, Jaime; Abdo-Sánchez, María Elena; Martín-Guerrero, Teresa María
; Camacho-Peñalosa, Carlos
[et al.] (2023)
In this work, the values of the parameters of the eigenstate lattice network are obtained by using only analytical means. The procedure is applied to a simple structure, consisting of a bi-periodic surface made of a slotted ... -
Circuito equivalente del strip-slot complementario como red asimétrica con pérdidas
Esteban Marzo, Jaime; Abdo-Sánchez, María Elena; Martín-Guerrero, Teresa María
; Camacho-Peñalosa, Carlos
(2017-09-26)
The complementary strip-slot can be successfully modeled by means of a lattice equivalent circuit, with realizable immittances. In the case of the misaligned complementary stripslot, useful in series fed arrays, the lattice ... -
Consideraciones sobre el amplificador distribuido como amplificador de potencia
In this contribution, a short review of independent research activities on distributed power amplification is presented. An analysis of the intrinsic limitations of distributed power amplifiers serves as a guideline to ... -
DC-18 GHz MMIC tapered distributed power amplifier
Ng-Molina, Francisco Yak; Pérez-Parras, Sergio Luis; Camacho-Peñalosa, Carlos
; Martín-Guerrero, Teresa María
(2014-07-22)
A DC-18 GHz MMIC tapered power distributed amplifier has been designed and simulated in GaAs technology. The amplifier has been designed according to the theory for power and efficiency maximization based on tapered drain ... -
Design and fabrication of a Fabry-Pérot cavity antenna for the Ku-band
Mateos-Ruiz, Pablo; Hernández-Escobar, Alberto; Abdo-Sánchez, María Elena; Camacho-Peñalosa, Carlos
(2020-09-18)
A design of a directive antenna based on a Fabry-Pérot cavity is described, using a single metallic partially reflecting surface (PRS) in front of a coaxial-fed patch antenna. The main features of this type of antennas are ... -
Design Aspects of a Broadband Beam-Reconfigurable Leaky-Wave Antenna
Abdo-Sánchez, María Elena; Palacios, David; Frías, C.; Ng-Molina, Francisco Yak; Martín-Guerrero, Teresa María
; Camacho-Peñalosa, Carlos
[et al.] (IEEE Antennas and Propagation Society, 2016)
Design aspects of a novel beam-reconfigurable pla-nar series-fed array are addressed to achieve beam steering with frequency tunability over a relatively broad bandwidth. The design is possible thanks to the use of the ... -
Disipación de potencia en redes en celosía: la radiación del strip-slot complementario
Abdo-Sánchez, María Elena; Martín-Guerrero, Teresa María
; Esteban Marzo, Jaime; Camacho-Peñalosa, Carlos
(2015-09-21)
A circuit property of symmetrical lattice networks is derived and applied to the analysis of symmetrical twoport electromagnetic structures. This property is related to the independence of the power dissipation in the ... -
Distributed Amplifiers in MMIC Technology based on Composite Right/Left-Handed Transmision Lines
Martín-Guerrero, Teresa María; Palombini, Diego; Mata-Contreras, Francisco Javier
; Bentini, Andrea; Ng-Molina, Francisco Yak; Limiti, Ernesto; Camacho-Peñalosa, Carlos
[et al.] (2013-11-13)
Abstract – Three MMIC distributed amplifiers based on Composite Right/Left-Handed Transmission Lines are presented in order to illustrate the actual performance of these devices, and the features that can be obtained with ...