Listar por autor "Camacho-Peñalosa, Carlos"
Mostrando ítems 21-40 de 43
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Dual Beam Sinusoidally Modulated Reactance Surface Antenna
Abdo-Sánchez, María Elena
; Pérez Aguilar, Lorena; Martín-Guerrero, Teresa María; Camacho-Peñalosa, Carlos (2020-09)
In this work, a planar dual beam Sinusoidally Modulated Reactance Surface (SMRS) antenna is presented. Our method is based on the implementation of a surface impedance modulated by the superposition of two sinusoidal ... -
Eigenstate equivalent circuit for bi-periodic surfaces: Application to three parallel dipoles
Hernández Escobar, Alberto; Abdo-Sánchez, María Elena; Esteban Marzo, Jaime; Martín-Guerrero, Teresa María; Camacho-Peñalosa, Carlos (2022-03-29)
An equivalent circuit for the unit cell of bi-periodic surfaces is proposed. The equivalent circuit is general and simple. It is based on the decomposition of the eigenmodes of the structure and it takes into account the ... -
Elemento radiante de banda ancha en microstrip cerrada para arrays alimentados en serie
A previous radiating element in transmission configuration proposed by the authors is alternatively implemented using enclosed microstrip configuration. The new implementation overcomes fabrication issues and improves its ... -
Equivalent Circuit Modelling of Non-Symmetric Reciprocal Lossy Electromagnetic Structures
Abdo-Sánchez, María Elena; Martín-Guerrero, Teresa María; Esteban Marzo, Jaime; Camacho-Peñalosa, Carlos (2018-06-04)
Lattice-network-based equivalent circuits of lossy symmetric reciprocal electromagnetic structures have shown superior performance when compared to other topologies like the T- or PI- networks. This is due to the realizability ... -
Estudio del desalineamiento entre capas para reducir el acoplamiento en metasuperficies.
La obtención de celdas unidad es un factor clave en el diseño de metasuperficies. Éstas suelen estar compuestas por varias capas de geometrías metálicas apiladas a través de sustratos. Para sintetizar unos parámetros S ... -
Extracción de modelos casi-estáticos para dispositivos no-lineales a partir de medidas en el dominio de la frecuencia
Pérez-Parras, Sergio Luis; Martín-Guerrero, Teresa María; Baños-Polglase, Juana Daphne; Camacho-Peñalosa, Carlos (2019-09-11)
In this contribution an extraction method already proposed by authors and suitable for FET-type devices that could be represented by a quasi-static model is illustrated. For the first time, the method is applied to a FET ... -
Implementación en Herramienta CAD de un Modelo No-lineal y No-cuasi-estático de Diodo
García Luque, Aarón; Martín-Guerrero, Teresa María; Camacho-Peñalosa, Carlos (Iñigo Cuíñas Gómez, 2021-09)
The implementation of a non-quasi-static model for Schottky diodes into a commercial Computer-Aided Design tool is described. This formulation relies on a non-quasi-static charge definition that depends on two quasi-static ... -
Measurement-based FET analytical modeling using the nonlinear function sampling approach
Martín-Guerrero, Teresa María; Santarelli, Alberto; Gibiino, Gian Piero; Traverso, Pier Andrea; Camacho-Peñalosa, Carlos; Filicori, Fabio[et al.] (IEEE Microwave and Wireless Components Letters, 2020-12)
A novel and fast method for the measurement-based identification of an analytical FET compact model from large- signal waveforms is presented. Based on a two-tone two-port experiment, a recently published Nonlinear Function ... -
Measuring odd- and even-mode propagation constants of coupled-lines by means of the lattice network
Hernández-Escobar, Alberto; Abdo-Sánchez, María Elena; Esteban Marzo, Jaime; Martín-Guerrero, Teresa María; Camacho-Peñalosa, Carlos (2019-10-30)
A classic method for measuring the propagation constant of transmission lines is the one proposed by Bianco and Parodi more than four decades ago [1]. It is based on the invariance of the cross ratio of four complex numbers ... -
Modelling asymmetric two-port reciprocal microwave structures by means of compact equivalent circuits
Abdo-Sánchez, María Elena; Martín-Guerrero, Teresa María; Esteban Marzo, Jaime; Camacho-Peñalosa, Carlos (2019)
Effective microwave systems design requires powerful and reliable modeling techniques. Today modern CAD tools provide such support from device physics to circuit level or from electromagnetics to system level. Nevertheless, ... -
Modelo no-lineal de diodo mediante el operador NFS y su implementación en herramienta CAD
García Luque, Aarón; Martín-Guerrero, Teresa María; Santarelli, Alberto; Camacho-Peñalosa, Carlos (2020-09-21)
The characterization of active devices is a key point when developing system-level design techniques. To this aim, an automatic quasi-static (QS) nonlinear model extraction technique for solid state devices by using the ... -
Non-homogeneous Fabry-Pérot Antenna Design at Ku-band
Mateos-Ruiz, Pablo; Abdo-Sánchez, María Elena; Camacho-Peñalosa, Carlos (2021-09-21)
A novel technique to design Fabry-Pérot antennas with non-homogeneous PRS is described. It takes advantage of a transmission line circuit model to efficiently obtain all necessary unit cell designs that satisfy the cavity ... -
Non-homogeneous Fabry-Pérot antenna design process to improve aperture efficiency
Mateos-Ruiz, Pablo; Abdo-Sánchez, María Elena; Camacho-Peñalosa, Carlos (2022-03-27)
A novel technique to design Fabry-Pérot antennas with non-homogeneous partially reflective surfaces (PRSs) is described. It uses a transmission line circuit model to efficiently obtain all necessary unit cell designs that ... -
Novel Implementation for a Cavity-Backed Slot Fed in Transmission Configuration
A novel radiating element proposed previously by the authors is alternatively implemented using enclosed microstrip configuration. The radiating element shows broad impedance bandwidth and unidirectional radiation pattern. ... -
Obtaining quasi-static models using a frequency domain extraction methodology
Pérez-Parras, Sergio Luis; Martín-Guerrero, Teresa María; Baños-Polglase, Juana Daphne; Camacho-Peñalosa, Carlos (2018-07-02)
This contribution illustrates how a realistic nonlinear quasi-static model for FET-type devices can be extracted using an original frequency domain extraction technique. An ideal ‘made-up’ device is built from the measured ... -
On the eigenstate equivalent circuit for lossy asymmetric two-ports and its applications
Esteban Marzo, Jaime; Hernández Escobar, Alberto; Abdo-Sánchez, María Elena; Mateos-Ruiz, Pablo; Martín-Guerrero, Teresa María; Camacho-Peñalosa, Carlos[et al.] (2022)
An equivalent-circuit topology for two-port lossy non-symmetric reciprocal networks is presented [1]. The circuit topology is based on the eigenstate decomposition. The proposed circuit consists of two immittances and two ... -
On the Phase Response and Radiation Efficiency of the Complementary Strip-Slot as an Array Element
Abdo-Sánchez, María Elena; Martín-Guerrero, Teresa María; Esteban Marzo, Jaime; Camacho-Peñalosa, Carlos (2015-05-05)
The complementary strip-slot element is a broadlymatched microstrip radiator that has been used to design innovative series-fed arrays. It consists of a microstrip series-fed slot that have its complementary stub on the ... -
Performance analysis of equivalent-circuit topologies for periodic leaky-wave antenna rsymmetric Radiators
Hernández Escolar, Alberto; Abdo-Sánchez, María Elena; Mateos-Ruiz, Pablo; Esteban Marzo, Jaime; Martín-Guerrero, Teresa María; Camacho-Peñalosa, Carlos[et al.] (2022-04)
The traditional problem of broadside radiation degradation in leaky-wave antennas has been overcome in the past years with the introduction of some asymmetry in the radiator. This article analyses the performance of two ... -
Poly-Harmonic Distortion Model Extraction in Charge-Controlled One-Port Devices
Martín-Guerrero, Teresa María; Entrambasaguas-Muñoz, José Tomás; Camacho-Peñalosa, Carlos (European Microwave Association, 2017)
A charge-controlled, one-port device is used to describe and discuss the extraction procedure of a Poly-Harmonic Distortion (PHD) model in detail. For this case, both voltage and current waveforms are shown to be enough ... -
Ranura de Banda Ancha en Doble T Sobre Cavidad para Arrays Alimentados en Serie
A previous radiating element for series-fed arrays proposed by the authors and based on a Cavity-Backed Slot (CBS) is modified to improve its bandwidth. In order to do that, the slot is modified to reduce its resonance ...