Enviaments recents

  • VCO phase noise and sideband spurs due to substrate noise generated by on-chip digital circuits 

    Méndez Villegas, Miguel Ángel; Osorio Tamayo, Juan Felipe; Mateo Peña, Diego; Aragonès Cervera, Xavier; González Jiménez, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2006)
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    This paper presents the effects of noise generated by realistic digital circuits on RF voltage controlled oscillators (VCO) integrated in the same silicon die. The digital noise is coupled through the common substrate and ...
  • Frequency characterization of a 2.4 GHz CMOS LNA by Thermal Measurements 

    Mateo Peña, Diego; Altet Sanahujes, Josep; Aldrete Vidrio, Héctor; González Jiménez, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2006)
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    This paper presents a technique to obtain electrical characteristics of analog and RF circuits, based on measuring temperature at the silicon surface close to the circuit under test. Experimental results validate the ...
  • Using temperature as observable of the frequency response of RF CMOS amplifiers 

    Aldrete Vidrio, Héctor; Slhi, M A; Altet Sanahujes, Josep; Gruby, S; Mateo Peña, Diego; Michel, H; Clerjaud, L; Rampnous, J M; Rubio Sola, Jose Antonio; Claeys, Wilfrid; Dilhaire, W Claeys I S (Institute of Electrical and Electronics Engineers (IEEE), 2008)
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    The power dissipated by the devices of an integrated circuit can be considered a signature of the circuit's performance. Without disturbing the circuit operation, this power consumption can be monitored by temperature ...
  • A low-power RF front-end for 2.5 GHz receivers 

    Moreno Boronat, Lidia Ana; Gómez, D; González Jiménez, José Luis; Mateo Peña, Diego; Aragonès Cervera, Xavier; Berenguer, R; Solar, H (Institute of Electrical and Electronics Engineers (IEEE), 2008)
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    This paper presents a low power and low cost front end for a direct conversion 2.5 GHz ISM band receiver composed of a 16 kV HBM ESD protected LNA, differential Gilbert-cell mixers, and high-pass filters for DC offset ...
  • An approach to dynamic power consumption current testing of CMOS ICs 

    Segura, J A; ROCA, M; Mateo Peña, Diego; Rubio Sola, Jose Antonio (Institute of Electrical and Electronics Engineers (IEEE), 1995)
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    I/sub DDQ/ testing is a powerful strategy for detecting defects that do not alter the logic behavior of CMOS ICs. Such a technique is very effective especially in the detection of bridging defects although some opens can ...
  • Implementation of a 5x5 trits multiplier in a quasi-adiabatic ternary CMOS logic 

    Mateo Peña, Diego; Rubio Sola, Jose Antonio (Institute of Electrical and Electronics Engineers (IEEE), 1997)
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    Adiabatic switching is one technique to design low power digital IC. In order to diminish its expensive silicon area requirements an adiabatic ternary logic is proposed. A 5×5 trits (ternary signals) multiplier has been ...
  • Analysis of ISSQ/IDDQ testing implementation and circuit partitioning in CMOS cell-based design 

    Rullán Ayza, Mercedes; Ferrer Ramis, Carles; Oliver, Joan; Mateo Peña, Diego; Rubio Sola, Jose Antonio (Institute of Electrical and Electronics Engineers (IEEE), 1996)
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    Difference between ISSQ and IDDQ testing strategies is presented, discussing the dependency of area overhead and sensing speed on the technology. The current sensor implementation style suitable for cell-based design ...
  • Characterization of the substrate noise spectrum for mixed-signal ICs 

    Méndez Villegas, Miguel Ángel; Mateo Peña, Diego; Rubio Sola, Jose Antonio; González Jiménez, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2005)
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    This paper presents a simplified analytical model of the substrate noise generated by digital circuitry that captures the most relevant frequency domain characteristics and relates them with parameters of the digital circuit ...
  • Data relevance-aware dynamic sensing technique with battery lifetime guarantee for wireless sensor nodes 

    Arnaiz, David; Moll Echeto, Francisco de Borja; Alarcón Cot, Eduardo José; Vilajosana, Ignasi (Institute of Electrical and Electronics Engineers (IEEE), 2021)
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    Significant effort has been devoted to the development of dynamic monitoring techniques to exploit the temporal correlation among observations with the intention of improving the energy efficiency in wireless sensor nodes. ...
  • VIA: A smart scratchpad for vector units with application to sparse matrix computations 

    Pavón Rivera, Julián; Vargas Valdivieso, Iván; Barredo Ferreira, Adrián; Marimon Illana, Joan; Moretó Planas, Miquel; Moll Echeto, Francisco de Borja; Unsal, Osman Sabri; Valero Cortés, Mateo; Cristal Kestelman, Adrián (Institute of Electrical and Electronics Engineers (IEEE), 2021)
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    Sparse matrix operations are critical kernels in multiple application domains such as High Performance Computing, artificial intelligence and big data. Vector processing is widely used to improve performance on mathematical ...
  • Noise-induced Performance Enhancement of Variability-aware Memristor Networks 

    Ntinas, Vasileios; Fyrigos, Iosif; Sirakoulis, Georgios; Rubio Sola, Jose Antonio; Martin Martinez, Javier; Rodriguez, Rosana; Nafría Maqueda, Montserrat (2019)
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    Memristor networks are capable of low-power, massive parallel processing and information storage. Moreover, they have widely used for a vast number of intelligent data analysis applications targeting mobile edge devices ...
  • Experimental investigation of memristance enhancement 

    Ntinas, Vasileios; Rubio Sola, Jose Antonio; Sirakoulis, Georgios; Rodriguez, Rosana; Nafría Maqueda, Montserrat (2019)
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    Memristor devices are two-terminal nanoscale circuit elements that exhibit nonvolatile information storing and can be manufactured in ultra-dense arrays with low-power operation. Although, theoretically, memristors are ...

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