Recent Submissions

  • Differential temperature sensor with high sensitivity, wide dynamic range and digital offset calibration 

    Vidal López, Eva María; Ruiz Cayuela, Sergio; Duquenoy, Jérémy; González, J. L.; Altet Sanahujes, Josep (2017-08-15)
    Article
    Restricted access - publisher's policy
    The goal of this paper is twofold: first to add together all different causes that can alter the offset of a differential temperature sensor and, second, to present a new differential temperature sensor architecture that ...
  • MOSFET degradation dependence on input signal power in a RF power amplifier 

    Crespo Yepes, Albert; Barajas Ojeda, Enrique; Martin Martínez, Javier; Mateo Peña, Diego; Aragonès Cervera, Xavier; Rodríguez Martínez, Rosana; Nafría Maqueda, Montserrat (2017-06-25)
    Article
    Open Access
    Aging produced by RF stress is experimentally analyzed on a RF CMOS power amplifier (PA), as a function of the stress power level. The selected circuit topology allows observing individual NMOS and PMOS transistors ...
  • TFET-Based power management circuit for RF energy harvesting 

    Nunes Cavalheiro, David Manuel; Moll Echeto, Francisco de Borja; Valtchev, Stanimir (2016-11-14)
    Article
    Open Access
    This paper proposes a Tunnel FET (TFET)-based power management circuit (PMC) for ultra-low power RF energy harvesting applications. In contrast with conventional thermionic devices, the band-to-band tunneling mechanism of ...
  • Crossbar-based memristive logic-in-memory architecture 

    Papandroulikadis, Georgios; Vourkas, Ioannis; Abustelema, Angel; Sirakoulis, Georgios; Rubio Sola, Jose Antonio (2017-04-01)
    Article
    Open Access
    The use of memristors and resistive random access memory (ReRAM) technology to perform logic computations, has drawn considerable attention from researchers in recent years. However, the topological aspects of the ...
  • Statistical analysis and comparison of 2T and 3T1D e-DRAM minimum energy operation 

    Rana, Manish; Canal Corretger, Ramon; Amat Bertran, Esteve; Rubio Sola, Jose Antonio (2017-03-01)
    Article
    Open Access
    Bio-medical wearable devices restricted to their small-capacity embedded-battery require energy-efficiency of the highest order. However, minimum-energy point (MEP) at sub-threshold voltages is unattainable with SRAM memory, ...
  • Insights into tunnel FET-based charge pumps and rectifiers for energy harvesting applications 

    Nunes Cavalheiro, David Manuel; Moll Echeto, Francisco de Borja; Valtchev, Stanimir (2017-03-01)
    Article
    Open Access
    In this paper, the electrical characteristics of tunnel field-effect transistor (TFET) devices are explored for energy harvesting front-end circuits with ultralow power consumption. Compared with conventional thermionic ...
  • Thermal phase lag heterodyne infrared imaging for current tracking in radio frequency integrated circuits 

    Perpiñà Gilabet, Xavier; León, Javier; Altet Sanahujes, Josep; Vellvehi, Miquel; Reverter Cubarsí, Ferran; Barajas Ojeda, Enrique; Jordà, Xavier (2017-02-27)
    Article
    Restricted access - publisher's policy
    With thermal phase lag measurements, current paths are tracked in a Class A radio frequency (RF) power amplifier at 2 GHz. The amplifier is heterodynally driven at 440 MHz and 2 GHz, and its resulting thermal field was ...
  • MOSFET dynamic thermal sensor for IC testing applications 

    Reverter Cubarsí, Ferran; Perpiñà Gilabet, Xavier; Barajas Ojeda, Enrique; León, Javier; Vellvehi, Miquel; Jordà, Xavier; Altet Sanahujes, Josep (2016-05-01)
    Article
    Restricted access - publisher's policy
    This paper analyses how a single metal-oxide-semiconductor field-effect transistor (MOSFET) can be employed as a thermal sensor to measure on-chip dynamic thermal signals caused by a power-dissipating circuit under test ...
  • Memristive crossbar memory lifetime evaluation and reconfiguration strategies 

    Pouman, Peyman; Amat, Esteve; Rubio Sola, Jose Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2016-06-20)
    Article
    Open Access
    Among the emerging technologies and devices for highly scalable and low power memory architectures, memristors are considered as one of the most favorable alternatives for next generation memory technologies. They are ...
  • Self-calibrating closed-loop circuit for configurable constant voltage thermal anemometers 

    Gorreta Mariné, Sergio; Barajas Ojeda, Enrique; Kowalski, Lukasz; Atienza García, María Teresa; Domínguez Pumar, Manuel; Jimenez Serres, Vicente (Institution of Electrical Engineers, 2015-09-17)
    Article
    Open Access
    A new circuit is described which applies a configurable voltage across an RTD while the current flowing through it is measured with a current mirror. The circuit also allows working with voltages above the IC supply voltage ...

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