Ara es mostren els items 47-66 de 122

    • BPF-based thermal sensor circuit for on-chip testing of RF circuits 

      Altet Sanahujes, Josep; Barajas Ojeda, Enrique; Mateo Peña, Diego; Billong, Alexandre; Aragonès Cervera, Xavier; Perpiñà Gilabet, Xavier; Reverter Cubarsí, Ferran (Multidisciplinary Digital Publishing Institute (MDPI), 2021-01)
      Article
      Accés obert
      A new sensor topology meant to extract figures of merit of radio-frequency analog integrated circuits (RF-ICs) was experimentally validated. Implemented in a standard 0.35 µm complementary metal-oxide-semiconductor (CMOS) ...
    • Characterization of MOSFET temperature sensors for on-chip dynamic thermal measurements 

      Reverter Cubarsí, Ferran; Perpinyà, Xavier; Leon, Javier; Vellvehi, Miquel; Jordà, Xavier; Altet Sanahujes, Josep (2015)
      Comunicació de congrés
      Accés obert
    • Com disminuir la potència dinàmica dissipada per un circuit digital reduint la tensió d'alimentació i no perdent prestacions? 

      Altet Sanahujes, Josep (Departament d'Enginyeria Electrònica, 2010-03-22)
      Audiovisual
      Accés obert
    • Converses sobre disseny digital: dubtes a l'hora de fer una simulació 

      Altet Sanahujes, Josep; Rubio Sola, Jose Antonio; Bardés Llorensí, Daniel; Calderer Cardona, Josep; Pons Nin, Joan; Mateo Peña, Diego; Martín, Isidro (Departament d'Enginyeria Electrònica, 2016-10-25)
      Audiovisual
      Accés obert
    • DC temperature measurements for power gain monitoring in RF power amplifiers 

      Altet Sanahujes, Josep; Mateo Peña, Diego; Gómez Salinas, Dídac; Perpiñà, Xavier; Jordà, Xavier (IEEE, 2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper we demonstrate that the steady state temperature increase due to the power dissipated by the circuit under test can be used as observable to test the gain of a 2GHz linear class A Power Amplifier. As a proof ...
    • DC temperature measurements to characterize the central frequency and 3 dB bandwidth in mmW power amplifiers 

      Aragonès Cervera, Xavier; Mateo Peña, Diego; González Jiménez, José Luis; Vidal López, Eva María; Gómez Salinas, Didac; Martineau, B; Altet Sanahujes, Josep (2015-11)
      Article
      Accés obert
      This letter shows how a temperature sensor and a simple DC voltage multimeter can be used as instruments to determine the central frequency and 3 dB bandwidth of a 60 GHz linear power amplifier (PA). Compared to previous ...
    • Defect-oriented non-intrusive RF test using on-chip temperature sensors 

      Abdallah, L.; Stratigopoulos, H. G.; Mir, S.; Altet Sanahujes, Josep (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      We present a built-in, defect-oriented test approach for RF circuits that is based on thermal monitoring. A defect will change the power dissipation of the circuit under test from its expected range of values which, in ...
    • 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
      Accés obert
      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 ...
    • Differential temperature sensors: Review of applications in the test and characterization of circuits, usage and design methodology 

      Barajas Ojeda, Enrique; Aragonès Cervera, Xavier; Mateo Peña, Diego; Altet Sanahujes, Josep (Multidisciplinary Digital Publishing Institute (MDPI), 2019-11-05)
      Article
      Accés obert
      Differential temperature sensors can be placed in integrated circuits to extract a signature ofthe power dissipated by the adjacent circuit blocks built in the same silicon die. This review paper firstdiscusses the singularity ...
    • Diseño de circuitos y sistemas integrados 

      Rubio Sola, Jose Antonio; Altet Sanahujes, Josep; Aragonès Cervera, Xavier; González Jiménez, José Luis; Mateo Peña, Diego; Moll Echeto, Francisco de Borja (Edicions UPC, 2000)
      Llibre
      Accés restringit a la comunitat UPC
      La tecnología de circuitos integrados, basada principalmente en la miniaturización de los circuitos -con el incremento de prestaciones y la fuerte reducción de costos consiguientes– ha evolucionado intensamente en los ...
    • Diseño de circuitos y sistemas integrados 

      Rubio Sola, Jose Antonio; Altet Sanahujes, Josep; Aragonès Cervera, Xavier; González Jiménez, José Luis; Mateo Peña, Diego; Moll Echeto, Francisco de Borja (Edicions UPC, 2003)
      Llibre
      Accés restringit als usuaris de la UB, UAB, UPC, UPF, UdG, UdL, URV, UOC, BC, UVic, UJI, URL, UIC
      La tecnología de circuitos integrados, basada principalmente en la miniaturización de los circuitos ha evolucionado intensamente en los últimos tiempos. El objetivo de esta obra es dar a conocer esta evolución reciente y ...
    • Efficiency determination of RF linear power amplifiers by steady-state temperature monitoring using built-in sensors 

      Altet Sanahujes, Josep; Gómez, Didac; Perpinyà, X.; Mateo Peña, Diego; González, José Luis; Vellvehi, Miquel; Jordà, Xavier (2013-04)
      Article
      Accés restringit per política de l'editorial
      This work aims at showing a new approach for determining the efficiency of linear class A RF power amplifiers by means of non-invasive, steady-state thermal monitoring. The theoretical basis of the technique is indicated ...
    • Electro-thermal characterization of a differential temperature sensor and the thermal coupling in a 65nm CMOS IC 

      Altet Sanahujes, Josep; González Jiménez, José Luis; Gómez Salinas, Dídac; Perpiñà, Xavier; Grauby, Stephane; Dufis, Cédric Yvan; Vellvehi, Miquel; Mateo Peña, Diego; Dilhaire, Stefan; Jordà, Xavier (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper explains the design decisions and the different measurements we have done in order to characterize the thermal coupling and the ch aracteristics of temperature sensors embedded in a integrated circuit ...
    • Electro-thermal characterization of a differential temperature sensor in a 65 nm CMOS IC: Applications to gain monitoring in RF amplifiers 

      Altet Sanahujes, Josep; González, José Luis; Gómez Salinas, Dídac; Perpiñà Gilabet, Xavier; Claeys, Wilfrid; Grauby, Stéphane; Dufis, Cédric Yvan; Vellvehi, Miquel; Mateo Peña, Diego; Reverter Cubarsí, Ferran; Dilhaire, Stefan; Jordà, Xavier (2014-05)
      Article
      Accés restringit per política de l'editorial
      This paper reports on the design solutions and the different measurements we have done in order to characterize the thermal coupling and the performance of differential temperature sensors embedded in an integrated circuit ...
    • Electro-thermal coupling analysis methodology for RF circuits 

      Gómez Salinas, Dídac; Mateo Peña, Diego; Altet Sanahujes, Josep (IEEE Computer Society Publications, 2010)
      Text en actes de congrés
      Accés obert
      In this paper we present an electro-thermal coupling simulation technique for RF circuits. The proposed methodology takes advantage of well established tools for frequency translating circuits in order to significantly ...
    • Electro-thermal coupling analysis methodology for RF circuits 

      Gómez Salinas, Didac; Dufis, Cédric Yvan; Altet Sanahujes, Josep; Mateo Peña, Diego; González Jiménez, José Luis (2012-09)
      Article
      Accés restringit per política de l'editorial
      In this paper an electro-thermal co-simulation methodology suitable for RF circuits is presented. It circumvents traditional transient simulation drawbacks that arise when signals or magnitudes whose frequencies are separated ...
    • Energy efficient object detection for automotive applications with YOLOv3 and approximate hardware 

      Fornt Mas, Jordi; Fontova Muste, Pau; Caro Roca, Martí; Abella Ferrer, Jaume; Moll Echeto, Francisco de Borja; Altet Sanahujes, Josep; Rubio Sola, Jose Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2023)
      Text en actes de congrés
      Accés obert
      Deep neural networks are the dominant models for perception tasks in the automotive domain, but their high computational complexity makes it difficult to execute them in real time with an acceptable power consumption on ...
    • Examen Final 

      Prat Viñas, Lluís; Ortega Villasclaras, Pablo Rafael; López González, Juan Miguel; Martín García, Isidro; Fernández, Mireia; Bermejo Broto, Sandra; Altet Sanahujes, Josep; Puigdollers i González, Joaquim; Rodriguez, Angel; Voz Sánchez, Cristóbal (Universitat Politècnica de Catalunya, 2015-01-16)
      Examen
      Accés restringit a la comunitat UPC
    • Examen Final 

      Altet Sanahujes, Josep; Bermejo Broto, Sandra; Fernández Chimeno, Mireya; Martín García, Isidro; Orpella García, Alberto; Ortega Villasclaras, Pablo Rafael; Prat Viñas, Lluís; Puigdollers i González, Joaquim; Rodríguez Martínez, Ángel; Voz Sánchez, Cristóbal (Universitat Politècnica de Catalunya, 2013-01-08)
      Examen
      Accés restringit a la comunitat UPC
    • Examen Final 

      Aragonès Cervera, Xavier; Moll Echeto, Francisco de Borja; Rubio Sola, Jose Antonio; Altet Sanahujes, Josep; Gómez, Sergio (Universitat Politècnica de Catalunya, 2013-06-26)
      Examen
      Accés restringit a la comunitat UPC