Recent Submissions

  • CMOS inverter performance degradation and its correlation with BTI, HCI and OFF state MOSFETs aging 

    Crespo Yepes, Albert; Nasarre Campo, Carles; Garsot Borras, Norbert; Martin Martínez, Javier; Rodríguez Martínez, Rosana; Barajas Ojeda, Enrique; Aragonès Cervera, Xavier; Mateo Peña, Diego; Nafria, Montserrat (2022-05-01)
    Article
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    In this work, CMOS inverters are subjected to electrical stress emulating a complete operation cycle and the shifts in the performance parameters (i.e., peak current and inversion voltage) evaluated. Moreover, degradation ...
  • A 3–5-GHz, 385–540-ps CMOS true time delay element for ultra-wideband antenna arrays 

    Aghazadeh Dafsari, Seyed Rasoul; Martínez García, Herminio; Barajas Ojeda, Enrique; Saberkari, Alireza (Elsevier, 2022-05-01)
    Article
    Restricted access - publisher's policy
    This paper proposes an all-pass filter-based true time delay (TTD) element covering a 3–5-GHz ultra-wideband (UWB) frequency. The proposed TTD element designed in a standard 0.18-µm CMOS technology achieves a tunable delay ...
  • Embroidered wearable antenna-based sensor for real-time breath monitoring 

    El Gharbi, Mariam; Fernández García, Raúl; Gil Galí, Ignacio (2022-05-31)
    Article
    Open Access
    In this paper we present the design and the validation of a novel fully embroidered meander dipole antenna-based sensor integrated into a commercially available T-shirt for real-time breathing monitoring using the technique ...
  • N-type doping of SiC-passivated Ge by pulsed laser melting towards the development of interdigitated back contact thermophotovoltaic devices 

    Jiménez Pagán, Alba; Napolitani, Enrico; Datas Medina, Alejandro; Martín García, Isidro; López Rodríguez, Gema; Cabrero Piris, Mariona; Sgarbossa, Francesco; Milazzo, Ruggero; Carturan, Sara Maria; De Salvador, Davide; López García, Iñaki; Ryu, Yu Kyoung; Martinez Rodrigo, Javier; del Cañizo Nadal, Carlos (2022-01-01)
    Article
    Restricted access - publisher's policy
    In this article, a method for phosphorous (n-type) doping of germanium based on spin-on dopant sources and Pulsed Laser Melting (PLM) throughout an amorphous silicon carbide (a-SixC1-x:H) layer, which provides both surface ...
  • Constrained predictive control based on a large-signal model for a three-phase inverter connected to a microgrid 

    Alfaro Aragón, Carlos Arturo; Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis; Miret Tomàs, Jaume; Castilla Fernández, Miguel (Institute of Electrical and Electronics Engineers (IEEE), 2022-07-21)
    Article
    Open Access
    Small-signal models are the mostly used to model and design in inverter-dominated microgrids. Conversely, this paper proposes a large-signal model for grid-forming inverters connected to a microgrid based on the active and ...
  • Controlling the anionic ratio and gradient in kesterite technology 

    Andrade Arvizu, Jacob; Fonoll Rubio, Robert; Izquierdo Roca, Víctor; Becerril Romero, Ignacio; Sylla, Dioulde Huguette; Vidal Fuentes, Pedro; Jehl Li-Kao, Zacharie; Thomere, Angélica; Giraldo, Sergio; Tiwari, Kunal; Resalati, Shahaboddin; Guc, Maxim; Placidi, Marcel Jose (2022-01-03)
    Article
    Restricted access - publisher's policy
    Accurate anionic control during the formation of chalcogenide solid solutions is fundamental for tuning the physicochemical properties of this class of materials. Compositional grading is the key aspect of band gap engineering ...
  • A simple and effective methodology for sizing electrical energy storage (EES) systems based on energy balance 

    Kichou, Sofiane; Markvart, Tomas; Wolf, Petr; Silvestre Bergés, Santiago; Chouder, Aissa (Elsevier, 2022-05)
    Article
    Restricted access - publisher's policy
    The use of the electrical energy storage (EES) plays an important role in the transition of energy generation towards renewable energy sources (RESs). An effective sizing of EES systems is very important in order to cope ...
  • Textile UHF-RFID antenna embroidered on surgical masks for future textile sensing applications 

    Luo, Chengyang; Gil Galí, Ignacio; Fernández García, Raúl (2022-01-28)
    Article
    Open Access
    Ultra High Frequency (UHF, 865-868 MHz) Radio Frequency Identification (RFID) devices are expected to be implemented in many health-caring areas. In this paper, we present three progressive designs of textile UHF-RFID ...
  • Modeling of the degradation of CMOS inverters under pulsed stress conditions from ‘on-the-fly’ measurements 

    Crespo Yepes, Albert; Ramos Hortal, Regina; Barajas Ojeda, Enrique; Aragonès Cervera, Xavier; Mateo Peña, Diego; Martin Martínez, Javier; Rodríguez Martínez, Rosana; Nafría Maqueda, Montserrat (2021-10-01)
    Article
    Restricted access - publisher's policy
    In this work, an ‘on-the-fly’ measurement technique for the monitoring of CMOS inverters performance degradation is presented. This technique allows the characterization of the circuit degradation simultaneously with the ...
  • Fast-processing sigma-delta strategies for three-phase wide-bandgap power converters with common-mode voltage reduction 

    Lumbreras Carrasco, David; Zaragoza Bertomeu, Jordi; Berbel Artal, Néstor; Mon González, Juan; Galvez Moreno, Eduardo; Collado Escolano, Alfonso (Institute of Electrical and Electronics Engineers (IEEE), 2022-02-01)
    Article
    Open Access
    The electromagnetic compatibility of wide-bandgap (WBG) power converters can be greatly improved using spread-spectrum modulation techniques. This article proposes a family of reduced common-voltage sigma–delta modulations ...
  • A comprehensive review of control strategies and optimization methods for individual and community microgrids 

    Salehi, Navid; Martínez García, Herminio; Velasco Quesada, Guillermo; Guerrero, Josep Maria (Institute of Electrical and Electronics Engineers (IEEE), 2022-01-13)
    Article
    Open Access
    Community Microgrid offers effective energy harvesting from distributed energy resources and efficient energy consumption by employing an energy management system (EMS). Therefore, the collaborative microgrids are essentially ...
  • EMC testing of electricity meters using real-world and artificial current waveforms 

    Van Den Brom, H.E.; ten Have, Bas; Hartman, Tom; Azpúrua Auyanet, Marco Aurelio; Pous Solà, Marc; Silva Martínez, Fernando; Leferink, F.; van Leeuwen, Ronald; Marais, Zander; Kok, Gertjan J. P.; van Veghel, Marijn G. A.; Kolevatov, Ilia; Malmbekk, Helge (2021)
    Article
    Open Access
    In 2015, the energy measurement of some static electricity meters was found to be sensitive to specific conducted electromagnetic disturbances with very fast current changes caused by highly nonlinear loads, leading to ...

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