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    • Examen Final 

      Madrenas Boadas, Jordi; Moll Echeto, Francisco de Borja; Cosp Vilella, Jordi (Universitat Politècnica de Catalunya, 2023-05-30)
      Examen
      Accés restringit a la comunitat UPC

    • Examen Final 

      Madrenas Boadas, Jordi; Moreno Aróstegui, Juan Manuel (Universitat Politècnica de Catalunya, 2022-01-19)
      Examen
      Accés restringit a la comunitat UPC

    • Experiments on MEMS Integration in 0.25 turn CMOS Process 

      Michalik, Piotr Jozef; Fernández, Daniel; Wietstruck, Mehmet; Kaynak, Mehmet; Madrenas Boadas, Jordi (Multidisciplinary Digital Publishing Institute (MDPI), 2018-07-01)
      Article
      Accés obert
      In this paper, we share our practical experience gained during the development of CMOS-MEMS (Complementary Metal-Oxide Semiconductor Micro Electro Mechanical Systems) devices in IHP SG25 technology. The experimental ...

    • FINAL EXAM SPRING 2021 

      Cosp Vilella, Jordi; Madrenas Boadas, Jordi (Universitat Politècnica de Catalunya, 2021-06-07)
      Examen
      Accés restringit a la comunitat UPC

    • Final Exam. Part 1 

      Madrenas Boadas, Jordi; Moll Echeto, Francisco de Borja (Universitat Politècnica de Catalunya, 2021-01-12)
      Examen
      Accés restringit a la comunitat UPC

    • Giant Magnetoresistance (GMR) sensors for 0.35µm CMOS technology sub-mA current sensing 

      De Marcellis, A.; Reig, C; Cubells Beltrán, M. Dolores; Madrenas Boadas, Jordi; Cardoso, F; Cardoso, S.; Freitas, P.P (Institute of Electrical and Electronics Engineers (IEEE), 2014)
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      This paper reports on the design and fabrication of microelectronic structures for non-invasive indirect electric current sensing at the IC level. A 0.35 ¿m CMOS ASIC has been specifically developed for this purpose. Then, ...

    • Hardware-software co-design for efficient and scalable real-time emulation of SNNs on the edge 

      Oltra Oltra, Josep Angel; Madrenas Boadas, Jordi; Zapata Rodríguez, Mireya; Vallejo Mancero, Bernardo Javier; Mata Hernández, Diana; Sato, Shigeo (Institute of Electrical and Electronics Engineers (IEEE), 2021)
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      This paper introduces a novel workflow for Distributed Spiking Neural Network Architecture (DSNA). As such, the hardware implementation of Single Instruction Multiple Data (SIMD)-based Spiking Neural Network (SNN) requires ...

    • Integration of GMR sensors with different technologies 

      Cubells Beltrán, M. Dolores; Reig Escriva, Abilio Càndid; Madrenas Boadas, Jordi; De Marcellis, A.; Santos, Joana; Cardoso, Susana; Freitas, P.P. (2016-06-01)
      Article
      Accés obert
      Less than thirty years after the giant magnetoresistance (GMR) effect was described, GMR sensors are the preferred choice in many applications demanding the measurement of low magnetic fields in small volumes. This rapid ...

    • JubiTool: Unified design flow for the perplexus SIMD hardware accelerator 

      Robert, M.; Volken, H.; Brousse, O.; Guillot, J.; Gil, T.; Grize, F.; Sassatelli, G.; Moreno Aróstegui, Juan Manuel; Madrenas Boadas, Jordi; Villa, A. (IEEE Computer Society Publications, 2009)
      Text en actes de congrés
      Accés obert
      This paper presents a new unified design flow developed within the Perplexus project that aims to accelerate parallelizable data-intensive applications in the context of ubiquitous computing. This contribution relies ...

    • LCMOS: Light-powered standard CMOS circuits 

      Madrenas Boadas, Jordi; Fernández Martínez, Daniel; Wang, Chunyan (2012)
      Text en actes de congrés
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      LCMOS, a harvest-use light-powered scheme for standard CMOS circuits based on photogenerated currents in the drain-substrate PN junction of both PMOS and NMOS transistors is introduced. PMOS and NMOS bulks are ...

    • LEGION-based image segmentation by means of spiking neural networks using normalized synaptic weights implemented on a compact scalable neuromorphic architecture 

      Sánchez Rivera, Giovanny; Madrenas Boadas, Jordi; Cosp Vilella, Jordi (2019-01-01)
      Article
      Accés obert
      LEGION (Locally Excitatory, Globally Inhibitory Oscillator Network) topology has demonstrated good capabilities in scene segmentation applications. However, the implementation of LEGION algorithm requires machines with ...

    • Manufacturing Issues of BEOL CMOS-MEMS Devices 

      Valle Fraga, Juan José; Fernández Martínez, Daniel; Gibrat, Olivier; Madrenas Boadas, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2021-06-07)
      Article
      Accés obert
      In this paper we present a comprehensive report on the issues found during the manufacturing of high-yield CMOS-MEMS sensors based on vapor-phase hydrogen fluoride (vapor- HF ) oxide etching. During the study we have ...

    • Monolithic sensor integration in CMOS technologies 

      Fernández, Daniel; Michalik, Piotr; Valle Fraga, Juan José; Banerji, Saoni; Sánchez Chiva, José María; Madrenas Boadas, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2022-12-09)
      Article
      Accés obert
      Besides being mainstream for mixed-signal electronics, CMOS technology can be used to integrate micro-electromechanical system (MEMS) on a single die, taking advantage of the structures and materials available in feature ...

    • Optimization of parameters for CMOS MEMS resonant pressure sensors 

      Banerji, Saoni; Madrenas Boadas, Jordi; Fernández Martínez, Daniel (Institute of Electrical and Electronics Engineers (IEEE), 2015)
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      Micro machined resonant pressure sensors have rapidly grown into a major type of MEMS products over the past two decades. This paper presents the mathematical modelling of squeeze film damping in a MEMS resonant pressure ...

    • Performance evaluation and scaling of a multiprocessor architecture emulating complex SNN algorithms 

      Sánchez Rivera, Giovanny; Madrenas Boadas, Jordi; Moreno Aróstegui, Juan Manuel (Springer Verlag, 2010-09)
      Article
      Accés restringit per política de l'editorial
      The performance analysis of an efficient multiprocessor architecture that allows accelerating the emulation of large-scale Spiking Neural Networks (SNNs) is reported. After describing the architecture and the complex SNN ...

    • Pulsed digital oscillators for electrostatic MEMS 

      Gorreta Mariné, Sergio; Ruiz Fernández, Daniel; Blokhina, Elena; Pons Nin, Joan; Jiménez Serres, Vicente; O'Connell, D.; Feely, Orla; Madrenas Boadas, Jordi; Domínguez Pumar, Manuel (2012)
      Article
      Accés restringit per política de l'editorial
      This paper introduces a new actuation scheme for implementing Pulsed Digital Oscillators (PDOs) for electrostatic MEMS resonators. In this scheme, the capacitance of the device is biased with a voltage and it is periodically ...

    • Quasi-digital conversion for resistive devices: application in GMR-based IC current sensors 

      Reig, C.; Cubells, Miquel; De Marcellis, A.; Madrenas Boadas, Jordi; Cardoso, S.; Freitas, P.P. (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Text en actes de congrés
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      Resistive devices, including sensors, are used in a huge range of applications within different scenarios. When a complete system is considered, a quasi-digital output is often recommendable. If the conversion is operated ...

    • Quasi-digital front-ends for current measurement in integrated circuits with giant magnetoresistance technology 

      De Marcellis, A.; Cubells Beltrán, M. Dolores; Reig Escriva, Abilio Càndid; Madrenas Boadas, Jordi; zadov, Boris; Paperno, Eugene; Cardoso, S.; Freitas, P.P. (2014-07-01)
      Article
      Accés restringit per política de l'editorial
      In this study, the authors report on two different electronic interfaces for low-power integrated circuits electric current monitoring through current-to-frequency (I-f) conversion schemes. This proposal displays the ...

    • Result-consistent counter sampling scheme for coarse-fine TDCs 

      Michalik, Piotr Jozef; Fernandez, D.; Madrenas Boadas, Jordi (Institution of Electrical Engineers, 2012-09-13)
      Article
      Accés restringit per política de l'editorial

    • Self-adaptive hardware architecture with parallel processing capabilities and dynamic reconfiguration 

      Soto Vargas, Javier; Moreno Aróstegui, Juan Manuel; Madrenas Boadas, Jordi; Cabestany Moncusí, Joan (Association for Computing Machinery (ACM), 2017)
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      This paper describes a new self-adaptive hardware architecture with fault tolerance capabilities and a development system that allows the creation of applications. This bioinspired architecture is based on an array of ...