Envíos recientes

  • Circuitos e interconexiones tolerantes a fallas para dispositivos biomédicos implantables. Documento 1 

    García-Ramírez, Ronny; Chacón-Rodríguez, Alfonso; Molina-Robles, Roberto Carlos; Rímolo-Donadio, Renato (Instituto Tecnológico de Costa Rica, 2020)
    Los dispositivos médicos implantables (IMDs) son sistemas críticos para la seguridad con requerimientos de potencia muy bajos, los cuales se utilizan para el tratamiento a largo plazo de diferentes condiciones médicas. ...
  • Circuito integrado para la espectroscopia eléctrica de células humanas – fase 2. Documento 1 

    Rímolo-Donadio, Renato; García-Ramírez, Ronny; Barboza-Retana, Jose Miguel; Molina-Robles, Roberto Carlos; Chacón-Rodríguez, Alfonso (Instituto Tecnológico de Costa Rica, 2020)
    El objetivo de este proyecto fue el diseñar un circuito integrado para la espectroscopia eléctrica de células humanas; el presente documento describe la fase 2, en la cual se logró, a través de metodologías de diseño en ...
  • Implementación Multi-FPGA de modelos articiales del cerebro 

    Chacón-Rodríguez, Alfonso; Salazar-García, Carlos; Castro-González, Reinaldo; Alfaro-Badilla, Kaleb; Zúñiga, Daniel; Arroyo-Romero, Andrés; Espinoza-González, Javier; Mena, Keilor; León-Vega, Luis; Fernández-Garita, Ignacio; Blanco-Fallas, Joseph (Instituto Tecnológico de Costa Rica, 2019)
    A research and development project has been completed. The project has been nanced and supported by Vicerrector a de Investigaci on y Extensi on, Vicerrector a de Docencia and Escuela de Ingenier a Electr onica from ...
  • Control eléctrico para el calentamiento de agua basado en el uso del gas generado en un biogestor 

    Morales-Hernández, Sergio; Meza-Benavides, Carlos (Instituto Tecnológico de Costa Rica, 2017)
    Los biodigestores son sistemas que permiten el tratamiento adecuado de residuos generando energía aprovechable. El presente documento presenta el informe de un proyecto que tuvo como objetivo diseñar un sistema electrónico ...
  • Construcción de una estación fotovoltaica experimental 

    Morales-Hernández, Sergio; Meza-Benavides, Carlos; Hernández-Cisneros, Marvin (Instituto Tecnológico de Costa Rica, 2016)
    En este documento se presentan los resultados obtenidos de un proyecto de aporte tecnológico que tuvo como objetivo construir una instalación fotovoltaica experimental que permita el posterior estudio del aprovechamiento de ...
  • Four-channel WDM transmitter with heterogeneously integrated III-V/Si photonics and low power 32 nm CMOS drivers 

    Huynh, Tam; Ramaswamy, Anand; Rimolo-Donadio, Renato; Schow, Clint; Roth, Jonathan; Norberg, Erik; Proesel, Jonathan; Guzzon, Robert; Shin, Jaehyuk; Rylyakov, Alexander; Baks, Christian; Koch, Brian; Sparacin, Daniel; Fish, Greg; Lee, Benjamin (Journal of Lightwave Technology, 2016)
    We experimentally demonstrate a novel four-channel wavelength division multiplexing transmitter operating at 1.3 μm wavelength employing heterogeneously integrated III-V/Si photonic circuit copackaged with low-power ...
  • Flexible transmitter employing Silicon-segmented Mach–zehnder modulator with 32-nm CMOS distributed driver 

    Huynh, Tam; Rimolo-Donadio, Renato; Gill, D. M.; Rylyakov, Alexander; Green, William; Dupuis, Nicolas; Proesel, Jonathan; Baks, Christian; Schow, Clint L.; Lee, Benjamin (Journal of Lightwave Technology, 2016)
    We propose a flexible optical transmitter for shortreach optical interconnects that includes a silicon photonic segmented Mach-Zehnder modulator (MZM) driven by a distributed six-channel 32nm SOI CMOS driver integrated ...
  • PEDOT:PSS: A conductive and flexible polymer for sensor integration in Organ-on-Chip platforms 

    Quiros-Solano, William; Gaio, Nikolas; Silvestri, Cinzia (Procedia Engineering, 2016)
    Sensing and stimulating microstructures are necessary to develop more specialized and highly accurate Organ-on-Chip (OOC) platforms. In this paper, we present the integration of a conductive polymer, poly (3,4-ethylened ...
  • Model reduction of a flexible-joint robot: a port-Hamiltonian approach 

    Jardón-Kojakhmetov, Hildeberto; Muñoz-Arias, Mauricio; Scherpen, Jacquelien (IFAC-PapersOnLine, 2016)
    In this paper we explore the methodology of model order reduction based on singular perturbations for a flexible-joint robot within the port-Hamiltonian framework. We show that a flexible-joint robot has a port-Hamiltonian ...
  • An impedance spectroscopy ASIC for low-frequency characterization of biological samples 

    Montero-Rodríguez, Juan J.; Salazar-Flórez, Edgar Eduardo; Vega-Castillo, Paola; Tomasik, Jakob M.; Galjan, Wjatscheslaw; Hafkemeyer, Kristian M.; Krautschneider, Wolfgang (Scopus, 2016)
    This paper describes the design and testing of an ASIC for impedance spectroscopy of biological samples at frequencies up to 40 kHz. The circuit is designed in the 350 nm AMS H35B4 technology and enables the measurement ...
  • A simple approach for the design of operational transconductance amplifiers for low power signal processing 

    Chacón-Rodríguez, Alfonso; Sondon, Santiago; Mandolesi, Pablo; Julián, Pedro (IEEE, 2010)
    A simple approach for the design, fabrication and characterization of a operational trasconductance amplifier intended for work in low power applications is reported in this work. DC Measured parameters agree with ...
  • Flexible silicon photonic transmitter with segmented modulator and 32 nm CMOS driver IC 

    Huynh, Tam; Dupuis, Nicolas; Rimolo-Donadio, Renato; Proesel, Jonathan; Gill, Doug; Baks, Christian; Rylyakov, Alexander; Schow, Clint; Green, William; Lee, Benjamin (2016 Conference on Lasers and Electro-Optics, CLEO 2016, 2016)
    We present a novel silicon photonic transmitter including 90nm CMOS segmented modulator co-packaged with low power 32nm CMOS driver IC. Optical equalization is demonstrated for the first time with the multi-segment ...
  • Design of a Prototype of Water Purification by Plasma Technology as the Foundation for an Industrial Wastewater Plant. 

    Barillas-Mora, Laura (Institute of Physics Publishing, 2015-03)
    In order to mitigate the contamination of water sources due to the spill of sewage without any kind of treatment, mainly generated by the industrial sector; a prototype of water purification by plasma technology has been ...
  • Energy-Aware Signal Integrity Analysis for High-Speed PCB Links 

    Muller, Sebastián; Reuschel, Torsten; Rimolo-Donadio, Renato; Kwark, Young; Bruns, Heinz-Dietrich; Schuster, Christian (Institute of Electrical and Electronics Engineers Inc., 2015-05)
    This paper proposes a novel approach to evaluate design alternatives for high-speed links on printed circuit boards. The approach combines evaluations of signal integrity and link input power. For a comprehensive analysis, ...
  • 30-Gb/s Optical Link Combining Heterogeneously Integrated III–V/Si Photonics With 32-nm CMOS Circuits 

    Dupuis, Nicolas; Lee, Benjamin; Proesel, Jonathan; Rylyakov, Alexander; Rimolo-Donadio, Renato; Baks, Christian; Abhijeet, Ardey; Schow, Clint; Ramaswamy, Anand; Roth, Jonathan; Robert, Guzzon; Koch, Brian; Sparacin, Daniel; Fish, Greg (Institute of Electrical and Electronics Engineers Inc., 2015-02)
    We present a silicon photonics optical link utilizing heterogeneously integrated photonic devices driven by low-power advanced 32-nm CMOS integrated circuits. The photonic components include a quantum-confined Stark effect ...
  • A WDM-Compatible 4 × 32-Gb/s CMOS-driven electro-absorption modulator array 

    Rimolo-Donadio, Renato (OSA - The Optical Society, 2015)
    A four-channel electro-absorption-modulator array, driven by 32-nm CMOS drivers providing 2-V peak-to-peak output swing, operates with BER < 10-12 at a data rate of 4 × 32 Gb/s and dissipates 170 mW of power.
  • A WDM 4x28Gbps integrated silicon photonic transmitter driven by 32nm CMOS driver ICs 

    Rimolo-Donadio, Renato; Ramaswamy, Anand; Roth, Jonathan; Norberg, Erik; Guzzon, Robert; Shin, Jaehyuk; Imamura, Jeff; Koch, Brian; Sparacin, Daniel; Fish, Greg; Lee, Benjamin; Baks, Christian; Rylyakov, Alexander; Proesel, Jonathan; Meghell, Mounir; Schow, Clint (OSA - The Optical Society, 2015)
    A four-channel WDM silicon photonic transmitter with integrated lasers and modulators driven by low-power 32nm CMOS drivers, is demonstrated to operate at a data rate of 4×28Gb/s with BER<10-12 and power consumption of 10.0pJ/bit.
  • Análisis y diseño de unidades de procesamiento de potencia para sistemas fotovoltaicos 

    Morales-Hernández, Sergio; Meza-Benavides, Carlos; Pérez-Rodríguez, Javier (Instituto Tecnológico de Costa Rica, 2015)
    Se presenta un documento en desarrollo que, pretender ser utilizado para fines educativos, con modelos matemáticos de los principales UPP utilizados para convertir distintos niveles y formas de onda de corriente continua ...
  • Diseño de un amplificador operacional de transconductancia aplicando técnicas de optimización multiobjetivo 

    Pereira-Arroyo, Roberto; Molina-Robles, Roberto; Chacón-Rodríguez, Alfonso (Instituto Tecnológico de Costa Rica, 2014-01)
    In this paper, the problem at hand consists in the sizing of an Operational Transconductance Amplifier (OTA). The Pareto front is introduced as a useful analysis concept in order to explore the design space of such ...
  • Establecimiento de un marco de desarrollo para algoritmos de procesamiento de audio y video en plataformas embebidas 

    Alvarado-Moya, José Pablo; Gruner-Monzón, Michael; Pérez-Vega, Bayron (Instituto Tecnológico de Costa Rica, 2011)
    Proyecciones indican que en 2010 se alcanzaron tres sistemas embebidos por cada ser humano en el planeta, y el mercado sigue creciendo. El caso particular de aplicaciones embebidas que utilizan procesamiento digital de ...

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