Now showing items 1-20 of 34

    • A Low-Power High-Resolution Delta-Sigma ADC IP in 22 nm CMOS Technology for Smart Sensing Applications 

      Deltor Cortés, Eva María (Universitat Politècnica de Catalunya, 2023-09-08)
      Master thesis
      Restricted access - confidentiality agreement
      The present project comprises the third generation of $\Delta\Sigma$ ADCs developed at the IMB-CNM with the design of a 16-bit 50-kHz $\Delta\Sigma$ modulator circuit as a mixed-signal IP block in the 22-nm 0.8-V FD-SOI ...
    • ADC module built for an ocean bottom seismometer (OBS) 

      Carreras Pons, Normandino; Shariat Panahi, Shahram; Manuel Lázaro, Antonio (2010-12-01)
      Article
      Open Access
      This paper presents the new data acquisition system designed for autonomous Ocean Bottom Seismometers (OBS) to study the earth dynamics and internal structure. This part is the responsible to acquire the signals from ...
    • ADC Quantization Requirements 

      Riba Sagarra, Jaume; Lamarca Orozco, M. Meritxell; Rey Micolau, Francesc; Sala Álvarez, José; Vázquez Grau, Gregorio; Villares Piera, Nemesio Javier (2000-06)
      Research report
      Open Access
      In this document, we analyze the impact of the quantization at the input of the demultiplexer. The required number of bits of the Analog-to-Digital-Converter (ADC) is obtained, along with the corresponding quantization losses.
    • An Extended study on an interference-insensitive switched capacitor CDC 

      Areekath, Lakshmi; Reverter Cubarsí, Ferran; George, Boby (2019-09-15)
      Article
      Restricted access - publisher's policy
      A new Switched Capacitor (SC) Capacitance-to-Digital Converter (CDC) is presented in this paper. Its output exhibits a high-level of insensitivity to interference, by virtue of the conversion mechanism itself. The proposed ...
    • Analog Signal Adquisition and FFT Application for a Linux Embeded System Lab 

      Montes O'connor, Carlos Jesús (Universitat Politècnica de Catalunya, 2014-05)
      Master thesis (pre-Bologna period)
      Open Access
      [ANGLÈS] The project goal is to design a platform based on an existing HW/SW embeded Linux system containing a FPGA, within an academic environment. To accomplish that objective, a specific application for signal Adquisition ...
    • Analysis and design of a digital proportional-resonant controller for a single-phase bidirectional LC rectifier 

      Arroyo Giner, Juan José (Universitat Politècnica de Catalunya, 2018-01)
      Master thesis
      Open Access
      A boost high-power-factor ac/dc converter is designed. The converter presents a bi-directional power flow capability. A bias capacitor connected in series with the ac source provides a dc voltage boost at the input. ...
    • Analysis and design of a terminal sliding mode control applied to a step-down power converter 

      Masclans Serrat, Núria (Universitat Politècnica de Catalunya, 2019-06-25)
      Bachelor thesis
      Open Access
      Generally, step-down converters are controlled by a linear control called average model. This control technique results in a system behavior highly dependent on the working point. Therefore, non-linear techniques have been ...
    • Control electronics for Chemical sensors 

      Grau De La Mano, Joan (Universitat Politècnica de Catalunya, 2021-01-24)
      Bachelor thesis
      Open Access
      his project consists in the creation of a digital control for a chemical sensor in charge of reading the temperature and keeping it close to a specific temperature (threshold temperature). To keep aspecific value of the ...
    • Conversió Digital d'un Resolver Mitjançant Filtres de Kalman 

      Hott Oller, Marcel (Universitat Politècnica de Catalunya, 2021-11-01)
      Bachelor thesis
      Open Access
      Avui en dia, la contaminació a les nostres ciutats està en gran part formada pels gasos de combustió emesos pels vehicles que circulen per elles. Gasos com el Diòxid de Nitrogen es troben en moltes ocasions per sobre ...
    • Data conversion frontends for area-constrained applications: the wireless network-on-chip case 

      López Lao, Alejandro (Universitat Politècnica de Catalunya, 2018-05-23)
      Bachelor thesis
      Open Access
      Multicore architectures cover a wide technologic spectrum and it is on the vanguard for an unlimited number of applications. As technology keeps growing and number of cores per chip increases (reaching what nowadays is ...
    • Desarrollo y mejoramiento de un dispositivo capaz de monitorear niveles de ozono troposférico 

      Martínez Basurto, Sebastián (Universitat Politècnica de Catalunya, 2018-07)
      Bachelor thesis
      Open Access
      In a world in which political, economic, social and cultural circumstances demand a bigger knowledge and awareness of the surrounding reality, it becomes necessary an environmental culture that encourages more spaces of ...
    • Desenvolupament d'un Time to Digital Converter en una FPGA per la lectura de fotosensors de baixa lluminositat 

      Carreras Bordas, Jan (Universitat Politècnica de Catalunya, 2024-01-29)
      Bachelor thesis
      Open Access
      Covenantee:   Institut de Ciències del Cosmos
      En aquest document es presenta un circuit dedicat a la digitalització de la lectura del senyal capturat per fotosensors de baixa lluminositat per imatge mèdica, en particular, per un escàner de tomografia per emissió ...
    • Design and validation of a digital control for ultrasounds generator to improve the efficiency of honey treatment 

      Cobo Brea, Carlos (Universitat Politècnica de Catalunya, 2021-01-22)
      Bachelor thesis
      Restricted access - confidentiality agreement
    • Design of a 12-bit ramp ADC in 250 nm for image sensor ICs 

      Reboll Meliá, Fernando (Universitat Politècnica de Catalunya, 2023-07-12)
      Master thesis
      Restricted access - confidentiality agreement
      Covenantee:   Imasenic Advanced Imaging
      This thesis presents the design of a 12-bit single slope ADC embedded in an image sensor integrated circuit (IC) that takes advantage of the signal-dependent photon-shot noise characteristic inherent in image sensors. It ...
    • Design of a 16-bit 50-kHz low-power SC delta-sigma modulator for ADC in 0.18um CMOS technology 

      Cisneros Fernández, Jose Agustin (Universitat Politècnica de Catalunya, 2016-07-18)
      Master thesis
      Open Access
      A general purpose 16 Bits Sigma-Delta modulator ADC for double precision audio 50 kHz bandwidth, targeted for Low-power operation, involving no additional digital circuit compensation, no bootstrapping techniques and ...
    • Design, implementation, and verification of an FPGA-based control system for a permanent-magnet motor drive built upon a three-phase four-level active-clamped inverter 

      García Rojas, Gabriel (Universitat Politècnica de Catalunya, 2015-05)
      Master thesis
      Open Access
      [ANGLÈS] The present work summarizes the work and knowledge acquired by the author during its Master’s Thesis in the Research Group in Power Electronics, GREP. The development is based on the Multilevel Active-Clamped (MAC) ...
    • Diseño de la puesta en paralelo para inversores de potencia monofásicos controlados con DSP 

      Galindo Lorente, Sergi (Universitat Politècnica de Catalunya, 2009-06)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      El presente proyecto realiza un estudio y analisis sobre distintos métodos para la implementación de la paralelización de inversores monofásicos. Los métodos planteados para el estudio han sido la comunicación mediante ...
    • Disseny d'un convertidor Temps a Digital per a sensor d'imatge CMOS 

      Palmero Arans, Vicenç (Universitat Politècnica de Catalunya, 2022-07-08)
      Bachelor thesis
      Restricted access - confidentiality agreement
      Covenantee:   Imasenic Advanced Imaging
      Nowadays the importance of image sensing for the optimization of industry processes, medicine, security, etc is unquestionable. This sensing is mostly implemented by an array of pixels that acquire information from the ...
    • Disseny i implementació d'un sistema de pesatge digital 

      Aibar Sala, Santiago (Universitat Politècnica de Catalunya, 2016-09-21)
      Master thesis (pre-Bologna period)
      Restricted access - confidentiality agreement
      For many years the world of weighing has based on using resistive load cells, mainly made of strain gauges in a bridge configuration. This gauges are connected to electronic systems that provide energy to the bridge and ...
    • Entrenador digital para convertidores en aplicaciones docentes 

      Fiol Ramon, Josep; Moreno Mangas, Juan Alberto (Universitat Politècnica de Catalunya, 2011-06)
      Master thesis (pre-Bologna period)
      Open Access
      Este proyecto trata de diseñar y crear un convertidor estático de potencia capaz de controlar distintos accionamientos en aplicaciones docentes. Sería como tener varios convertidores en uno dependiendo de las ...