Listar Comunicaciones y ponencias de congresos - Biltzarrak eta Argitalpenak por autor UPNA "López Martín, Antonio"
Mostrando ítems 1-13 de 13
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1-V 15-μW 130-nm CMOS super class AB OTA
López Martín, Antonio
; Algueta-Miguel, Jose M. ; Garde Luque, María Pilar ; Carvajal, Ramón G.; Ramírez-Angulo, Jaime (IEEE, 2020)
Contribución a congreso / Biltzarrerako ekarpena 
A super class AB recycling folded cascode amplifier in 130 nm CMOS is presented. It combines for the first time adaptive biasing of the differential input pair, nonlinear current mirrors with current starving and dynamic ... -
Design of low-cost smart accelerometers
Carlosena García, Alfonso ; López Martín, Antonio ; Massarotto, Marco ; Cruz Blas, Carlos Aristóteles de la ; Lecumberri Villamediana, Pablo ; Gómez Fernández, Marisol ; Pintor Borobia, Jesús María ; Gárriz Sanz, Sergio (Universitat Politècnica de Catalunya, 2005)
Contribución a congreso / Biltzarrerako ekarpena
The goal of this project is to design a low-cost smart accelerometer, making use of a piezoelectric element as basic sensing material, and adding a mixed-mode conditioning circuit. -
Distributed opportunistic wireless mapping system towards smart city service provision
Villadangos Alonso, Jesús ; Falcone Lanas, Francisco Javier ; López Martín, Antonio ; Astrain Escola, José Javier ; Sanchis Gúrpide, Pablo ; Matías Maestro, Ignacio (IEEE, 2021)
Contribución a congreso / Biltzarrerako ekarpena
The knowledge of wireless signal distribution within an urban scenario can provide useful information to users as well as to enhance connectivity and device operation or to perform municipal logistics based on crowd density ... -
Energy harvesting approaches in IoT scenarios with very low ambient energy
López Martín, Antonio ; Algueta-Miguel, Jose M. ; Matías Maestro, Ignacio (European Association for the Development of Renewable Energy, Environment and Power Quality (EA4EPQ), 2019)
Contribución a congreso / Biltzarrerako ekarpena
The feasibility of multi-source energy harvesting in Internet of Things (IoT) scenarios with low and intermittent ambient energy is addressed. As a relevant case study, application to a smart cargo container system is ... -
Folded Cascode OTA with 5540 MHzpF/mA FoM
Garde Luque, María Pilar ; López Martín, Antonio ; Carvajal, Ramón G.; Ramírez-Angulo, Jaime (IEEE, 2018)
Contribución a congreso / Biltzarrerako ekarpena
A micropower single-stage folded cascode amplifier able to drive a wide range of capacitive loads is presented. It features class AB operation and includes power-efficient adaptive biasing techniques, which provide enhanced ... -
Monitoring of electric buses within an urban smart city environment
Astrain Escola, José Javier ; Falcone Lanas, Francisco Javier ; López Martín, Antonio ; Sanchis Gúrpide, Pablo ; Villadangos Alonso, Jesús (IEEE, 2021)
Contribución a congreso / Biltzarrerako ekarpena
A practical experience on monitoring the data generated by electric buses is presented, focusing on energy consumption, charge and state of the batteries. The work is carried out in the framework of a global smart city ... -
A novel PLL architecture
Osa, Juan I.; Carlosena García, Alfonso ; López Martín, Antonio (2000)
Contribución a congreso / Biltzarrerako ekarpena
A novel phase-locked loop scheme is proposed in this paper, whose main distinguishing features are infinite hold-in range, pull-out range fractionally constant and also a ripple fractionally constant. To this end, it ... -
On the optimal current followers for wide-swing current-efficient amplifiers
López Martín, Antonio ; Garde Luque, María Pilar ; Carvajal, Ramón G.; Ramírez-Angulo, Jaime (IEEE, 2018)
Contribución a congreso / Biltzarrerako ekarpena
The design of various current followers for the implementation of OTAs with high slew rate and current efficiency is addressed. Two basic current follower topologies are compared, and modifications of both followers to ... -
Sensing in coin discriminators
Carlosena García, Alfonso ; López Martín, Antonio ; Arizti, Fernando; Martínez de Guereñu, Ane; Pina Insausti, José L.; García Sayés, Miguel (IEEE, 2007)
Contribución a congreso / Biltzarrerako ekarpena
This paper describes the technologies used in coin discriminator devices, stressing the improvements and novel mechanisms introduced by the authors in the past few years as a result of the cooperation with one leading ... -
Single-stage class-AB non-linear current mirror OTA
Beloso Legarra, Javier ; Cruz Blas, Carlos Aristóteles de la ; López Martín, Antonio (IEEE, 2022)
Contribución a congreso / Biltzarrerako ekarpena
The analysis, design and experimental characterization of a single-stage class-AB operational transconductance amplifier (OTA) with enhanced large- and small-signal performance is presented. The OTA is biased in weak ... -
Smart charging station with photovoltaic and energy storage for supplying electric buses
Berrueta Irigoyen, Alberto ; Astrain Escola, José Javier ; Puy Pérez de la Borda, Guillermo; El Hamzaoui, Ismail; Ursúa Rubio, Alfredo ; Sanchis Gúrpide, Pablo ; Villadangos Alonso, Jesús ; Falcone Lanas, Francisco Javier ; López Martín, Antonio ; Matías Maestro, Ignacio (IEEE, 2022)
Contribución a congreso / Biltzarrerako ekarpena
A Smart Charging Station (SCS) has been installed in the Public University of Navarre, Spain, in the framework of the H2020 Smart City Lighthouse STARDUST project. The SCS consists of a high-power electric bus charging ... -
Super-gain-boosted miller op-amp based on nested regulated cascode techniques with FoMAOLDC =24,614kV/V.MHz.pF/µWatt
Paul, Anindita; Ramírez-Angulo, Jaime; López Martín, Antonio ; González Carvajal, Ramón; Díaz Sánchez, Alejandro (IEEE, 2020)
Contribución a congreso / Biltzarrerako ekarpena
A simple technique to greatly enhance the DC open-loop gain of a Miller op-amp is introduced here. It is based on the utilization of nested regulated cascode amplifiers. It uses conventional Miller compensation and does ... -
Wide-swing class AB regulated cascode current mirror
Garde Luque, María Pilar ; López Martín, Antonio ; Cruz Blas, Carlos Aristóteles de la ; Carvajal, Ramón G.; Ramírez-Angulo, Jaime (IEEE, 2020)
Contribución a congreso / Biltzarrerako ekarpena
A micropower regulated cascode CMOS current mirror is presented, combining floating gate and quasi floating gate MOS transistors to achieve both wide swing and class AB operation, respectively. Measurement results for a ...
