• Arrays planares basados en el elemento strip-slot complementario 

      Abdo-Sánchez, Elena; Martin-Guerrero, Teresa Maria; 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 ...
    • Caracterización de modelos no-lineales casi-estáticos a partir de las formas de onda en régimen de gran señal 

      Pérez Parras, Sergio; Martin-Guerrero, Teresa Maria; 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 

      Martin-Guerrero, Teresa Maria; 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 del strip-slot complementario como red asimétrica con pérdidas 

      Esteban, Jaime; Abdo-Sánchez, Elena; Martin-Guerrero, Teresa Maria; 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 

      Ng-Molina, Francisco Yak; Martin-Guerrero, Teresa Maria; Camacho-Peñalosa, Carlos (2013-09-12)
      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; Camacho-Peñalosa, Carlos; Martin-Guerrero, Teresa Maria (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 Aspects of a Broadband Beam-Reconfigurable Leaky-Wave Antenna 

      Abdo-Sánchez, Elena; Palacios, D.; Frías, C.; Ng-Molina, Francisco Yak; Martin-Guerrero, Teresa Maria; [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, Elena; Martin-Guerrero, Teresa Maria; 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 

      Martin-Guerrero, Teresa Maria; Palombini, Diego; Mata-Contreras, Francisco Javier; Bentini, Andrea; Ng-Molina, Francisco Yak; [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 ...
    • Dual Beam Sinusoidally Modulated Reactance Surface Antenna 

      Abdo-Sánchez, Elena; Pérez Aguilar, Lorena; Martin-Guerrero, Teresa Maria; 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 ...
    • Equivalent Circuit Modelling of Non-Symmetric Reciprocal Lossy Electromagnetic Structures 

      Abdo-Sánchez, Elena; Martin-Guerrero, Teresa Maria; Esteban, 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 ...
    • Extracción de modelos casi-estáticos para dispositivos no-lineales a partir de medidas en el dominio de la frecuencia 

      Pérez Parras, Sergio; Martin-Guerrero, Teresa Maria; 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 ...
    • Measuring odd- and even-mode propagation constants of coupled-lines by means of the lattice network 

      Hernández-Escobar, Alberto; Abdo-Sánchez, Elena; Esteban, Jaime; Martin-Guerrero, Teresa Maria; 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, Elena; Martin-Guerrero, Teresa Maria; Esteban, 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; Martin-Guerrero, Teresa Maria; 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 ...
    • Obtaining quasi-static models using a frequency domain extraction methodology 

      Pérez-Parras, Sergio; Martin-Guerrero, Teresa Maria; 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 Phase Response and Radiation Efficiency of the Complementary Strip-Slot as an Array Element 

      Abdo-Sánchez, Elena; Martin-Guerrero, Teresa Maria; 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 ...
    • Poly-Harmonic Distortion Model Extraction in Charge-Controlled One-Port Devices 

      Martin-Guerrero, Teresa Maria; 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 ...
    • Técnicas de resolución de la ambigüedad de las medidas de fase en sistemas de navegación por satélite 

      Fernández-Plazaola, Unai (Universidad de Málaga, Servicio de Publicaciones, 2005)
      Los sistemas de navegaciónn por satélite existentes, el GPS (Global Positioning System) y el GLONASS (Global Navigation Satellite System) ofrecen la posibilidad de que usuarios con receptores apropiados puedan determinar ...
    • The Complementary Strip-Slot: Analysis and Antenna Applications 

      Abdo-Sánchez, Elena (Servicio de Publicaciones y Divulgación Científica, 2015)
      Aunque el diseño de la antena en un sistema de comunicaciones pueda parecer un problema clásico, los servicios que han aparecido recientemente requieren nuevas funcionalidades, mayores anchos de banda, mejor eficiencia y ...