Recent Submissions

  • Memristive logic in crossbar memory arrays: Variability-aware design for higher reliability 

    Escudero López, Manuel; Vourkas, Ioannis; Rubio Sola, Jose Antonio; Moll Echeto, Francisco de Borja (2019-01-01)
    Article
    Open Access
    The advent of the first TiO 2 -based memristor in 2008 revived the scientific interest both from academia and industry for this device technology and has so far led to several emerging applications including logic and ...
  • A pragmatic gaze on stochastic resonance based variability tolerant memristance 

    Ntinas, Vasileios; Rubio Sola, Jose Antonio; Sirakoulis, Georgios Ch.; Cotofana, Sorin (Institute of Electrical and Electronics Engineers (IEEE), 2019)
    Conference report
    Open Access
    Stochastic Resonance (SR) is a nonlinear system specific phenomenon, which was demonstrated to lead to system unexpected (counter-intuitive) performance improvements under certain noise conditions. Memristor, on the other ...
  • Wave computing with passive memristive networks 

    Fyrigos, Iosif; Ntinas, Vasileios; Sirakoulis, Georgios; Adamatzky, Andrew; Erokhin, Victor; Rubio Sola, Jose Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2019)
    Conference report
    Open Access
    Since CMOS technology approaches its physical limits, the spotlight of computing technologies and architectures shifts to unconventional computing approaches. In this area, novel computing systems, inspired by natural and ...
  • Voltage divider for self-limited analog state programing of memristors 

    Gomez, Jorge; Vourkas, Ioannis; Abusleme, Angel; Sirakoulis, Georgios; Rubio Sola, Jose Antonio (2019-06-19)
    Article
    Open Access
    Resistive switching devices - memristors - present a tunable, incremental switching behavior. Tuning their state accurately, repeatedly and in a wide range, makes memristors well-suited for multi-level (ML) resistive memory ...
  • Aging in CMOS RF linear power amplifiers: experimental comparison and modeling 

    Aragonès Cervera, Xavier; Mateo Peña, Diego; Barajas Ojeda, Enrique; Crespo-Yepes, A.; Rodríguez Martínez, Rosana; Martin Martínez, Javier; Nafría Maqueda, Montserrat (Institute of Electrical and Electronics Engineers (IEEE), 2019)
    Conference report
    Restricted access - publisher's policy
    This paper characterizes experimentally the aging degradation experienced by two different 2.45 GHz power amplifier circuits of similar performance, implemented in a 65 nm CMOS technology. Results demonstrate the importance ...
  • On the variability-aware design of memristor-based logic circuits 

    Escudero López, Manuel; Vourkas, Ioannis; Rubio Sola, Jose Antonio; Moll Echeto, Francisco de Borja (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Open Access
    Ever since the advent of the first TiO 2 -based memristor and the respective linear model published by Hewlett-Packard Labs, several behavioral models of memristors have been published. Such models capture the fundamental ...
  • Variability-tolerant memristor-based ratioed logic in crossbar array 

    Escudero López, Manuel; Rubio Sola, Jose Antonio; Moll Echeto, Francisco de Borja; Vourkas, Ioannis (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Open Access
    The advent of the first TiO2-based memristor in 2008 revived the scientific interest both from academia and industry for this de- vice technology, with several emerging applications including that of logic circuits. Several ...
  • Multi-valued logic circuits on graphene quantum point contact devices 

    Rallis, Konstantinos; Sirakoulis, Georgios; Karafyllidis, Ioannis; Rubio Sola, Jose Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Open Access
    Graphene quantum point contacts (G-QPC) combine switching operations with quantized conductance, which can be modulated by top and back gates. Here we use the conductance quantization to design and simulate multi-valued ...
  • Analysis of body bias and RTN-induced frequency shift of low voltage ring oscillators in FDSOI technology 

    Barajas Ojeda, Enrique; Aragonès Cervera, Xavier; Mateo Peña, Diego; Moll Echeto, Francisco de Borja; Rubio Sola, Jose Antonio; Martin Martínez, Javier; Rodríguez Martínez, Rosana; Porti Pujal, Marc; Nafria, M.; Castro López, Rafael; Roca Moreno, Elisenda; Fernandez, Francisco V. (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Restricted access - publisher's policy
    Electronic circuits powered at ultra low voltages (500 mV and below) are desirable for their low energy and power consumption. However, RTN (Random Telegraph Noise)-induced threshold voltage variations become very significant ...
  • Resistive switching behavior seen from the energy point of view 

    Gómez Mir, Jorge Tomás; Abusleme Hoffman, Angel; Vourkas, Ioannis; Rubio Sola, Jose Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Open Access
    The technology of Resistive Switching (RS) devices (memristors) is continuously maturing on its way towards viable commercial establishment. So far, the change of resistance has been identified as a function of the applied ...
  • Output Power and Gain Monitoring in RF CMOS Class A Power Amplifiers by Thermal Imaging 

    Perpinyà, Xavier; Reverter Cubarsí, Ferran; León, Javier; Barajas Ojeda, Enrique; Vellvehi, Miquel; Jordà, Xavier; Altet Sanahujes, Josep (2018-01-01)
    Article
    Open Access
    The viability of using off-chip single-shot imaging techniques for local thermal testing in integrated Radio Frequency (RF) power amplifiers (PA’s) is analyzed. With this approach, the frequency response of the output power ...
  • A comprehensive method to taxonomize mechanical energy harvesting technologies 

    Diez, P.L.; Gabilondo, I.; Alarcón Cot, Eduardo José; Moll Echeto, Francisco de Borja (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Restricted access - publisher's policy
    Traditional industry is experiencing a worldwide development with Industry 4.0. Wireless sensor networks (WSNs) have a main role in this revolution as an essential part of data acquisition. The way in which WSNs are powered ...

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