Browsing by Subject "Microelectrònica"

Now showing items 1-20 of 185

    • A Divide-and-Conquer Approach for Cell Routing using Litho-friendly Layouts 

      Vidal Obiols, Alexandre (Universitat Politècnica de Catalunya, 2013-06-17)
      Master thesis (pre-Bologna period)
      Restricted access - confidentiality agreement

    • A highly-repeatable, broadband 180º phase switch for integrated MEMS processes 

      Llamas Morote, Marco Antonio; Girbau Sala, David; Ribó, M.; Pradell i Cara, Lluís; Giacomozzi, Flavio; Colpo, S.; Coccetti, Favio; Aouba, Stephane (2011)
      Conference report
      Restricted access - publisher's policy
      A broadband 0º/180º phase switch based on a slotline-coplanar-waveguide cross loaded with two MEMS switches in opposed (ON/OFF or OFF/ON) states, is reported. The fabrication was made on high-resistivity silicon substrates ...

    • 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 ...

    • A Supply-voltage driving scheme for grounded capacitive sensor front-ends 

      Haberman, Marcelo A.; Spinelli, Enrique Mario; Reverter Cubarsí, Ferran (Institute of Electrical and Electronics Engineers (IEEE), 2022-01-01)
      Article
      Open Access
      n this article, a novel supply-voltage driving1 (SVDR) scheme for capacitive sensor front-ends is proposed to2 eliminate the parasitic capacitance effects. The suggested circuit3 is intended for remote sensors (and, hence, ...

    • A Vector processing unit implementation for RISC-V vector extension: Functional verification and assertions on submodules 

      Valente, Luca (Universitat Politècnica de Catalunya, 2020-09)
      Master thesis
      Open Access
      Power dissipation and Energy consumption of digital circuits has emerged as an important design parameter in the evaluation of microelectronic circuits. This has led electronic architects to value Parallel Architectures ...

    • Accurate and wide field of view MEMS-based sun sensor for industrial applications 

      Delgado, Francisco; Quero, J.M.; Garcia Ortega, Juan; López Tarrida, Cristina; Ortega Villasclaras, Pablo Rafael; Bermejo Broto, Sandra (IEEE Press. Institute of Electrical and Electronics Engineers, 2012-02-24)
      Article
      Restricted access - publisher's policy
      This paper describes the design, fabrication, simulation, and experimental results of an improved miniaturized two-axis sun sensor for industrial applications, created by adapting a technology used previously in satellite ...

    • Advanced AlGaN/GaN HEMT technology, design, fabrication and characterization 

      Fontserè Recuenco, Abel (Universitat Politècnica de Catalunya, 2013-07-23)
      Doctoral thesis
      Open Access
      Nowadays, the microelectronics technology is based on the mature and very well established silicon (Si) technology. However, Si exhibits some important limitations regarding its voltage blocking capability, operation ...

    • Advanced failure detection techniques in deep submicron CMOS integrated circuits 

      Rubio Sola, Jose Antonio; Altet Sanahujes, Josep; Mateo Peña, Diego (Pergamon Press, 2009)
      Conference report
      Restricted access - publisher's policy
      The test of present integrated circuits exhibits many confining aspects, among them the adequate selection of the observable variables, the use of combined testing approaches, an each time more restricted controllability ...

    • An energy management system design using fuzzy logic control: smoothing the grid power profile of a residential electro-thermal microgrid 

      Arcos Aviles, Diego Gustavo; Pascual, Julio; Guinjoan Gispert, Francisco; Marroyo Palomo, Luis; García Gutiérrez, Gabriel; Gordillo Orquera, Rodolfo; Llanos Proaño, Jacqueline; Sanchis Gúrpide, Pablo; Motoasca, Emilia (Institute of Electrical and Electronics Engineers (IEEE), 2021-02-02)
      Article
      Open Access
      This work deals with the design of a Fuzzy Logic Control (FLC) based Energy Management System (EMS) for smoothing the grid power profile of a grid-connected electro-thermal microgrid. The case study aims to design an Energy ...

    • An output-capacitorless FVF-based low-dropout regulator for power management applications 

      Shirmohammadli, V.; Saberkari, Alireza; Martínez García, Herminio; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Restricted access - publisher's policy
      This paper presents an output-capacitorless low dropout (LDO) regulator based on improved flipped voltage follower power stage for use in power management circuits. A new error amplifier (EA) structure, named as gain-bandwidth ...

    • Biofilm oxygen profiling using an array of microelectrodes on a microfabricated needle 

      Moya Lara, Ana; Guimerà Villalba, Xavier; del Campo, F.J.; Prats-Alfonso, E.; Dorado Castaño, Antonio David; Baeza, Mireia; Villa, Rosa; Gabriel Buguña, David; Gamisans Noguera, Javier; Gabriel Buguña, Gemma (2014)
      Conference lecture
      Open Access
      Knowledge of bacterial activity inside biofilms is key to the optimization of applied biotechnologies. A novel dissolved oxygen microelectrode array (DO-MEA) sensor has been designed and fabricated on a needle using ...

    • Caracterització de biopel·lícules mitjançant la utilització de microsensors 

      Rodríguez Ruiz, Daniel (Universitat Politècnica de Catalunya, 2015-06)
      Bachelor thesis
      Open Access
      Les tècniques biològiques han adquirit molta importància en quant a la eliminació de contaminants. La part fonamental de les tècniques biològiques és la eliminació dels contaminants a través de microorganismes. Aquests ...

    • CBRAM-based bio-inspired circuit for the emulation and treatment of the Parkinson’s Disease 

      Chatzipaschalis, Ioannis; Tsipas, Evangelos; Fyrigos, Iosif-Angelos; Rubio Sola, Jose Antonio; Sirakoulis, Georgios Ch. (2024-04)
      Article
      Restricted access - author's decision
      In recent years, the intrinsic neuromorphic properties of memristor devices have led to their extensive use in brain-inspired circuits and systems. The development of brain-inspired (nano)circuits incorporating memristors ...

    • Characterization and modeling of organic thin-film transistors based pi-conjugated small molecule tetraphenyldibenzoperiflanthene: effects of channel length 

      Boukhili, W.; Mahdouani, M.; Bourguiga, R.; Puigdollers i González, Joaquim (2016-07-01)
      Article
      Open Access
      P-type organic thin film transistors (OTFTs) with different channel lengths have been fabricated and characterized by thermal evaporation using the small tetraphenyldibenzoperiflanthene (DBP) as an active material on Si/SiO2 ...

    • Characterization and modelling of switchable stop-band filters based on RF-MEMS and complementary split ring resonators 

      Gil Galí, Ignacio; Morata Cariñena, Marta; Fernández García, Raúl; Rottenberg, Xavier; De Raedt, Walter (2010-08-13)
      Article
      Open Access
      In this work, we present the characterization and electrical modelling of a reconfigurable stop-band filter based on RF microelectromechanical systems (RF-MEMS) combined with metamaterial structures. The device consists ...

    • Charge induced by ionizing radiation understood as a disturbance in a sliding mode control of dielectric charge 

      Domínguez Pumar, Manuel; Gorreta Mariné, Sergio; Pons Nin, Joan; Gomez Rodriguez, Faustino; Gonzalez Castaño, Diego (2015-07-03)
      Article
      Open Access
      The purpose of this paper is to show that the charge induced by radiation in a dielectric on which a sigma–delta control of dielectric charge is implemented, can be seen as a disturbance in a sliding mode controller. ...

    • Circuit per a la detecció del moviment d'objectes de color 

      Capo Fuster, Marc (Universitat Politècnica de Catalunya, 2017-06-15)
      Bachelor thesis
      Open Access
      El treball consisteix a dissenyar i construir un sistema electrònic que detecti la proximitat d’objectes i els seus moviments. El sistema també mostrarà informació sobre els components RGB dels objectes acostats i la ...

    • Comparative analysis of metaheuristic algorithms for extracting electrical parameters of PV modules 

      Yettou, T.; Bouchetata, N; Seghiour, Abdellatif; Benouzza, N; Chouder, Aissa; Silvestre Bergés, Santiago; Rabhi, A (2023)
      Conference report
      Restricted access - publisher's policy
      This paper presents a comparison of various metaheuristic algorithms used for extracting electrical parameters from specific photovoltaic (PV) panels. The focus lies on assessing and comparing the efficiency of eight chosen ...

    • Comparison between the density-of-states of picene transistors measured in air and under vacuum 

      Voz Sánchez, Cristóbal; Marsal, Albert; Moreno Sierra, César; Puigdollers i González, Joaquim; Alcubilla González, Ramón (2012-01)
      Article
      Restricted access - publisher's policy
      Picene has recently attracted much attention as the active layer in organic thin-film transistors because of its good performance in air. In this work, we have fabricated picene thin-film transistors that exhibit field-effect ...

    • Conmutadores RF-MEMS de baja tensión 

      Contreras Lizarraga, Adrián Arturo; Casals Terré, Jasmina; Pradell i Cara, Lluís; Colpo, Sabrina; Iannacci, Jacopo; Ribó, Miquel; Giacomozzi, Flavio (2012)
      Conference report
      Open Access
      This work shows experimental results of capacitive and ohmic RF-MEMS switches with low actuation voltage. The isolation of capacitive switches is better than 20 dB from 15 GHz and up to 80 GHz according to simulations. ...