Exploració per autor "Fernández Martínez, Daniel"

Ara es mostren els items 1-14 de 14

    • A self-test and dynamics characterization circuit for MEMS electrostatic actuators 

      Fernández Martínez, Daniel; Madrenas Boadas, Jordi; Cosp Vilella, Jordi (2011-03)
      Article
      Accés restringit per política de l'editorial
      This paper presents a high-bandwidth capacitance estimation and driving circuit especially tailored for its use with MEMS electrostatic actuators. The circuit can be integrated as a part of a system comprising an electrostatic ...

    • A test setup for the characterization of Lorentz-force MEMS magnetometers 

      Sánchez Chiva, José María; Valle Fraga, Juan José; Fernández Martínez, Daniel; Madrenas Boadas, Jordi (2021-09-13)
      Article
      Accés obert
      Lorentz-force MEMS magnetometers are interesting candidates for the replacement of magnetometers in consumer electronics products. Plenty of works in the literature propose MEMS magnetometers, their readout circuits and ...

    • Arquitecturas y circuitos CMOS para el control, generación y procesado de señal de MEMS 

      Fernández Martínez, Daniel (Universitat Politècnica de Catalunya, 2008-11-01)
      Tesi
      Accés obert
      En esta tesis se muestran arquitecturas y circuitos CMOS para el control de actuadores electroestáticos MEMS y para la generación y procesado de las señales proveniente de microsistemas. <br/>En el primer capítulo se ...

    • Bioinspired sensory integration for environment-perception embedded systems 

      Madrenas Boadas, Jordi; Fernández Martínez, Daniel; Cosp Vilella, Jordi; Moreno Aróstegui, Juan Manuel; Martínez Alvarado, Luis Arturo; Sánchez Rivera, Giovanny (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this work, the architecture of a system intended for bioinspired environment perception is described. Considering the technology trends and applications requirements, the properties of such a system are discussed. ...

    • Characterization of CMOS-MEMS resonant pressure sensors 

      Banerji, Saoni; Fernández Martínez, Daniel; Madrenas Boadas, Jordi (2017-08-30)
      Article
      Accés obert
      IEEE Comprehensive characterization results of a CMOS-MEMS resonant pressure sensor are presented. We have extensively evaluated the key performance parameters of our device in terms of quality factor (Q) variations under ...

    • Closed-form equation for natural frequencies of beams under full range of axial loads modeled with a spring-mass system 

      Valle Fraga, Juan José; Fernández Martínez, Daniel; Madrenas Boadas, Jordi (2019-04-01)
      Article
      Accés obert
      A new simple closed-form equation that accurately predicts the effect of an arbitrarily large constant axial load, residual stress or temperature shift on the natural frequencies of an uniform single-span beam, with various ...

    • CMOS BEOL-embedded z-axis accelerometer 

      Michalik, Piotr Jozef; Sánchez Chiva, José María; Fernández Martínez, Daniel; Madrenas Boadas, Jordi (Institution of Electrical Engineers, 2015-05-28)
      Article
      Accés obert
      A first reported complementary metal-oxide semiconductor (CMOS)-integrated acceleration sensor obtained through isotropic inter-metal dielectric (IMD) etching of a back-end-of-line (BEOL) integrated circuit interconnection ...

    • Curvature of BEOL cantilevers in CMOS-MEMS processes 

      Valle Fraga, Juan José; Fernández Martínez, Daniel; Madrenas Boadas, Jordi; Barrachina, Laura (2017-08-01)
      Article
      Accés obert
      This paper presents the curvature characterization results of released back-end-of-line 5 µm-wide cantilevers for two different 0.18-µm 1P6M complementary metal-oxide semiconductor microelectromechanical systems processes. ...

    • LCMOS: Light-powered standard CMOS circuits 

      Madrenas Boadas, Jordi; Fernández Martínez, Daniel; Wang, Chunyan (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      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 ...

    • 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 ...

    • 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)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      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 ...

    • Self-controlled 4-transistor low-power min-max current selector 

      Madrenas Boadas, Jordi; Fernández Martínez, Daniel; Cosp Vilella, Jordi; Martínez Alvarado, Luis Arturo; Alarcón Cot, Eduardo José; Vidal López, Eva María; Villar Piqué, Gerard (2009-10)
      Article
      Accés restringit per política de l'editorial
      Four cross-coupled MOS transistors operating as switches implement a very compact, fast, low-power and precise minimum and maximum current selector. Local positive feedback allows the circuit to work without the need of ...

    • Sense/Drive Architecture for CMOS-MEMS Accelerometers with Relaxation Oscillator and TDC 

      Michalik, Piotr Jozef; Madrenas Boadas, Jordi; Fernández Martínez, Daniel (IEEE Computational Intelligence Society, 2012)
      Text en actes de congrés
      Accés obert

    • Translinear signal processing circuits in standard CMOS FPAA 

      Martínez Alvarado, Luis Arturo; Madrenas Boadas, Jordi; Fernández Martínez, Daniel (IEEE Press. Institute of Electrical and Electronics Engineers, 2009-12)
      Text en actes de congrés
      Accés obert
      In this paper, the implementation of signal processing circuits on a novel translinear Field-Programmable Analog Array (FPAA) testchip is reported. The FPAA testchip is based on a 0.35-micron, fully CMOS translinear ...