Perfil del autor: González Carvajal, Ramón
Datos institucionales
| Nombre | González Carvajal, Ramón |
| Departamento | Ingeniería Electrónica |
| Área de conocimiento | Tecnología Electrónica |
| Categoría profesional | Catedrático de Universidad |
| Correo electrónico | Solicitar |
 |
|
Estadísticas
-
Nº publicaciones
80
-
Nº visitas
8994
-
Nº descargas
24974
| Publicaciones |
|---|
Artículo
 AIoT in Agriculture: Safeguarding Crops from Pest and Disease Threats
(MDPI, 2023)
A significant proportion of the world’s agricultural production is lost to pests and diseases. To mitigate this problem, ... |
Artículo
Wireless and Low-Power System for Synchronous and Real-Time Structural-Damage Assessment
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
The rise of the Internet of Things (IoT) systems and the evolution of low-power wide-area networks have directly contributed ... |
Artículo
Battery-Less Industrial Wireless Monitoring and Control System for Improved Operational Efficiency
(MDPI, 2023)
An industrial wireless monitoring and control system, capable of supporting energy-harvesting devices through smart sensing ... |
Artículo
Data Driven Energy Economy Prediction for Electric City Buses Using Machine Learning
(IEEE, 2023)
Electrification of transportation systems is increasing, in particular city buses raise enormous potential. Deep understanding ... |
Artículo
Cross Correlation-Based Ultrasonic Gas Flow Sensor With Temperature Compensation
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
In this article, the design of an ultrasonic gas flow sensor with a low cost and low energy temperature compensation method ... |
Artículo
Energy Consumption Prediction of Electric City Buses Using Multiple Linear Regression
(MDPI, 2023)
The widespread electrification of public transportation is increasing and is a powerful way to reduce greenhouse gas (GHG) ... |
Trabajo Fin de Grado
Diseño y desarrollo de un sistema de optimización energética en el hogar
(2023)
Las energías renovables están siendo cada vez más utilizadas gracias al avance que se está haciendo en las tecnologías que ... |
Trabajo Fin de Grado
Sistema de gazetracking con YOLOv8
(2023)
El seguimiento del movimiento de los ojos o gazetracking es algo que lleva estudiándose desde comienzos del siglo XIX y ... |
Artículo
Low-Power Transit Time-Based Gas Flow Sensor with Accuracy Optimization
(MDPI, 2022)
In this paper, a fully designed ultrasonic transit time-based gas flow sensor is presented. The proposed sensor has been ... |
Artículo
±0.3V Bulk-Driven Fully Differential Buffer with High Figures of Merit
(MDPI, 2022)
A high performance bulk-driven rail-to-rail fully differential buffer operating from ±0.3V supplies in 180 nm CMOS technology ... |
Artículo
Industry 4.0: A Proposal of Paradigm Organization Schemes from a Systematic Literature Review
(MDPI, 2022)
Currently, the concept of Industry 4.0 is well known; however, it is extremely complex, as it is constantly evolving and ... |
Trabajo Fin de Grado
Reconocimiento de objetos mediante técnicas de visión por computador y aprendizaje automático
(2022)
Con la llegada de la denominada Industria 4.0 comienza a haber una demanda por sistemas de visión e inferencia basados en ... |
Trabajo Fin de Grado
Diseño y desarrollo de un sistema de precintado remoto sobre FreeRTOS para sistemas IoT
(2022)
Las comunicaciones inalámbricas, han experimentado una gran expansión en los últimos años en nuestras vidas y se hace casi ... |
Trabajo Fin de Máster
Metrics system
(2022)
La medición y el monitoreo de sistemas resultan prácticamente imprescindibles en un desarrollo maduro y es ahí donde nos ... |
Artículo
Super-Gain-Boosted AB-AB Fully Differential Miller Op-Amp With 156dB Open-Loop Gain and 174MV/V MHZ pF/µW Figure of Merit in 130nm CMOS Technology
(Institute of Electrical and Electronics Engineers Inc., 2021)
A fully differential Miller op-amp with a composite input stage using resistive local common-mode feedback and regulated ... |
Artículo
Energy-Efficient Amplifiers Based on Quasi-Floating Gate Techniques
(MDPI, 2021)
Energy efficiency is a key requirement in the design of amplifiers for modern wireless applications. The use of quasi-floating ... |
Trabajo Fin de Grado
Diseño y desarrollo de un driver de control para la estación SPS30 y su integración en FreeRTOS
(2021)
De acuerdo con la EPA (Agencia de Protección Ambiental de Estados Unidos), el tamaño de las partículas está directamente ... |
Trabajo Fin de Grado
Diseño de etapas amplificadoras de bajo consumo para señales ultrasónicas
(2021)
Las señales ultrasónicas o ultrasonidos son una serie de ondas mecánicas, normalmente longitudinales, cuya frecuencia está ... |
Trabajo Fin de Máster
Diseño de sistema de inteligencia artificial para la implantación de un modelo de agricultura eco sostenible empleando técnicas de aprendizaje automático
(2021)
En este proyecto se ha desarrollado un sistema de inteligencia artificial para la implantación de un nuevo modelo productivo ... |
Trabajo Fin de Grado
Diseño de un HUB Wireless M-Bus-NbIoT
(2021)
El agua es un recurso indispensable para la vida en nuestro planeta y para la gran mayoría de las actividades económicas ... |
Artículo
An Enhanced Gain-Bandwidth Class-AB Miller op-amp with 23,800 MHz·pF/mW FOM, 11-16 Current Efficiency and Wide Range of Resistive and Capacitive Loads Driving Capability
(Institute of Electrical and Electronics Engineers Inc., 2021)
A compact power-efficient class-AB Miller op-amp is introduced. It uses a simple auxiliary circuit that enhances the ... |
Trabajo Fin de Grado
Instrumentación inteligente no invasiva para procesos en ganadería y agricultura
(2021)
La fiebre en los cerdos y el estrés hídrico que sufren las plantas son algunos ejemplos de las preocupaciones de la industria ... |
Trabajo Fin de Grado
Desarrollo firmware de un driver de control para el módulo Sigfox AX-SF10 ANT21-868
(2021)
El trabajo que leerá a continuación presenta el desarrollo firmware de un sistema inalámbrico, cuya funcionalidad será ... |
Trabajo Fin de Grado
Estudio de la arquitectura DDS y diseño de una solución aplicada sobre arquitectura genérica de vehículos
(2021)
En este proyecto se pretende establecer una red de comunicaciones en el entorno de un vehículo genérico, basado en tecnologías ... |
Trabajo Fin de Máster
Creación de una herramienta basada en datos reales obtenidos por telemetría para la electrificación de flotas
(2021)
La transición hacia una movilidad eléctrica es uno de los objetivos mundiales en la lucha contra el cambio climático y la ... |
Artículo
Low-Voltage 0.81mW, 1-32 CMOS VGA with 5% Bandwidth variations and 38dB DC rejection
(Institute of Electrical and Electronics Engineers (IEEE), 2020)
A CMOS low-voltage amplifier with approximately constant bandwidth and DC rejection is introduced. The design is based on ... |
Artículo
Compressive-Sensing-Based Reflectometer for Sparse-Fault Detection in Elevator Belts
(Institute of Electrical and Electronics Engineers (IEEE), 2020)
This article presents a design approach to the early detection of elevator-belt failures. The proposed system is based on ... |
| Tesis Doctoral |
Trabajo Fin de Grado
Diseño de tests unitarios para el TWR-KM34Z50M
(2020)
El avance imparable de la tecnología nos lleva a incorporarla a mundos en los que hasta hace relativamente poco resultaba ... |
Trabajo Fin de Máster
Design and Implementation of a Drone Quadcopter Using Low Cost Microcontrollers
(2020)
The objective of this project was defined as the design and implementation of a drone quadcoper using low cost microcontrollers. As ... |
Artículo
Power Efficient Simple Technique to Convert a Reset-and-Hold Into a True-Sample-and-Hold Using an Auxiliary Output Stage
(IEEE, 2020)
A technique to implement true-sample-and-hold circuits that hold the output for almost the entire clock cycle without ... |
Artículo
±0.25-V Class-AB CMOS Capacitance Multiplier and Precision Rectifiers
(IEEE (Institute of Electrical and Electronics Engineers), 2019)
Reduction of minimum supply requirements is a crucial aspect to decrease the power consumption in VLSI systems. A ... |
Trabajo Fin de Grado
Desarrollo de soluciones IoT con Mbed
(2019)
El Internet de las cosas o IoT está cobrando cada vez más importancia y es palpable viendo la cantidad de dispositivos ... |
Artículo
Intelligent containers based on a Low-Power sensor network and a Non-Invasive acquisition system for management and tracking of goods
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
This paper presents a prototype of a system for intermodal freight transport with electronics management of goods. The ... |
Artículo
Passive RFID-Based Inventory of Traffic Signs on Roads and Urban Environments
(MDPI, 2018)
This paper presents a system with location functionalities for the inventory of traffic signs based on passive RFID ... |
Artículo
Compact Embedded Wireless Sensor-Based Monitoring of Concrete Curing
(MDPI, 2018)
This work presents the design, construction and testing of a new embedded sensor system for monitoring concrete curing. A ... |
Artículo
An Op-Amp Approach for Bandpass VGAs With Constant Bandwidth
(IEEE (Institute of Electrical and Electronics Engineers), 2018)
Two approaches to implement variable gain amplifiers based on Miller op-amps are discussed. One has true constant bandwidth ... |
Artículo
CMOS First-Order All-Pass Filter With 2-Hz Pole Frequency
(IEEE (Institute of Electrical and Electronics Engineers), 2018)
A CMOS fully integrated all-pass filter with an extremely low pole frequency of 2 Hz is introduced in this paper. It has ... |
Artículo
Super class AB RFC OTA with adaptive local common-mode feedback
(IET (Institution of Engineering and Technology), 2018)
A super class AB recycling folded cascode operational transconductance amplifier is presented. It employs local common-mode ... |
Artículo
An Amplified Offset Compensation Scheme and its Application in a Track and Hold Circuit.
(IEEE (Institute of Electrical and Electronics Engineers), 2018)
This brief proposes a fully differential track and hold circuit using a new dc offset compensation scheme. It stores an ... |
Artículo
A Highly Efficient Composite Class-AB-AB Miller Op-Amp With High Gain and Stable From 15 pF Up To Very Large Capacitive Loads
(IEEE (Institute of Electrical and Electronics Engineers), 2018)
In this paper, a highly power-efficient class-AB–AB Miller op-amp is discussed. The structure uses gm enhancement based ... |
Artículo
Super class AB RFC OTA using nonlinear current mirrors
(Institution of Engineering and Technology (IET), 2018)
An alternative approach to the design of super class AB recycling folded cascode operational transconductance amplifiers ... |
Artículo
High current efficiency classAB OTA with high open loop gain and enhanced bandwidth
(IEICE, 2017)
An efficient class-AB OTA with enhanced output current, slew rate, open loop gain, and gain bandwidth is presented. The ... |
Tesis Doctoral
Aportaciones al diseño de ADCs en tecnologías nanométricas y para entornos de alta radiación
(2015)
El trabajo presentado a lo largo de esta Tesis Doctoral está intrínsecamente relacionado con la evolución del diseño de ... |
Ponencia
Smart Navigation System for the Port of Seville
(2015)
This paper focuses in the development of an information platform for rivers and integrated navigation aid system in ... |
Ponencia
Smart ICTs for the enhancement of traffic logistics in the Port of Seville
(2015)
This paper focuses in the optimization of intermodal transport by the development of a freight geolocation and telecontrol ... |
Artículo
R&D spin-off models in Spain
(BazTech, 2013)
The recent years have seen increasing interest in the issues of technology transfer, as a result of which, in numerous ... |
Patente. Invención
Procedimiento y sistema para el inventariado de carreteras utilizando tecnología inalámbrica
(Oficina Española de Patentes y Marcas (OEPM), 2012)
Sistema y método para el inventariado de carreteras utilizando tecnología inalámbrica, que comprende: (a) una pluralidad ... |
Artículo
Soluciones para la monitorización de trabajadores en obra mediante tecnologías inalámbricas
(2012)
La prevención activa puede implementar diferentes barreras de seguridad. El estado de la técnica de los sistemas de ... |
Tesis Doctoral
Diseño de convertidores A/D pipeline de baja tensión de alimentación y bajo consumo
(2012)
1.2 Objetivos ... Establecer las especificaciones que debe cumplir el prototipo para poder ser incluido en un front-end ... |
Ponencia
A low-pass filter with automatic frequency tuning for a bluetooth receiver
(IEEE (Institute of Electrical and Electronics Engineers), 2011)
A third-order Gm-C Chebyshev low-pass filter with high linearity and automatic frequency programmability has been designed. ... |
Ponencia
0.13-µm CMOS tunable transconductor based on the body-driven gain boosting technique with application in Gm-C filters
(2011)
We present a low-voltage low-power CMOS tunable transconductor exploiting body gain boosting to increase the small-signal ... |
Artículo
Design of two-stage class AB CMOS buffers: a systematic approach
(2011)
A systematic approach for the design of two-stage class AB CMOS unity-gain buffers is proposed. It is based on the inclusion ... |
Ponencia
CMOS operational amplifiers with continuous-time capacitive common mode feedback
(2010)
A simple and power efficient approach for the implementation of continuous-time common mode feedback networks using a ... |
Ponencia
Rail-to-rail class AB CMOS tunable transconductor with -52dB IM3 at 1MHz
(2009)
A novel CMOS tunable transconductor is presented. The circuit operates in classAB hence featuring power efficiency. The ... |
Ponencia
Tunable class AB CMOS Gm-C channel filter for a bluetooth zero-IF receiver
(2009)
A novel tunable third order low-pass Gm-C filter is introduced. Programmable transconductors operating in class AB have ... |
Ponencia
New high performance second generation CMOS current conveyor
(2009)
A new high performance second-generation CMOS current conveyor architecture is presented. It is built using a differential ... |
| Capítulo de Libro |
Artículo
Low-voltage tunable pseudo-differential transconductor with high linearity
(2009)
A novel tunable transconductor is presented. Input transistors operate in the triode region to achieve programmable ... |
Ponencia
A novel switched capacitor frequency tuning technique for continuous-time Gm-C filters
(2009)
A novel approach for the automatic frequency tuning of Continuous Time Filters is presented. This approach is based on a ... |
Ponencia
Accurate dynamic-feedback CMOS cross-quad suitable for low-voltage operation
(2009)
This paper presents the implementation of a crossquad circuit suitable for low-voltage operation. The proposed cell exploits ... |
Ponencia
A tunable floating-gate CMOS transconductor based on current multiplication
(2009)
In this paper a novel transconductor based on floating gate techniques that performs current multiplication for tuning ... |
Patente. Invención
Método para la realización de un amplificador de condensadores conmutados insensible a la rela ción entre las capacidades y al offset y ganancia de los amplificadores
(Oficina Española de Patentes y Marcas (OEPM), 2008)
Método para la realización de un amplificador de conden sadores conmutados insensible a la relación entre las ca pacidades ... |
Ponencia
Rail to Rail Fully Differential Track and Hold Based on Clocked Differential Difference Amplifier Using Resistive Local Common Mode Feedback
(2008)
An efficient clocked class AB fully differential rail to rail differential difference amplifier is introduced. It is based ... |
Patente. Invención
Método para la implementación de un amplificador de capacidades conmutadas insensible a la relación entre las capacidades y al offset de los amplificadores
(Oficina Española de Patentes y Marcas (OEPM), 2007)
Método para la implementación de un amplificador de capacidades conmutadas insensible a la relación entre las capacidades ... |
Ponencia
Low frequency, current mode programmable KHN filters using large-valued active resistors
(2007)
The present work proposes a new current-mode, programmable Kerwin Huelsman Newcomb (KHN) filter suitable for very low ... |
Ponencia
A very compact KHN filter with multidecade tuning
(2007)
A very compact implementation of a multifunction Kerwin Huelsman Newcomb (KHN) filter that can be frequency tuned almost ... |
Artículo
Low-voltage wide gm adjustable range highly linear bicmos OTA
(2005)
A low distortion low-voltage BiCMOS OTA with wide gm adjustment range and constant input range is presented. It is based ... |
Artículo
A true low voltage class-AB current mirror
(2005)
Class-AB circuits, which are able to deal with currents which are orders of magnitude larger than their quiescent current, ... |
Ponencia
1.5V Rail-to-rail programmable-gain CMOS amplifier
(IEEE (Institute of Electrical and Electronics Engineers), 2004)
A 1.5V programmable-gain differential amplifier is implemented using a novel design technique for operating closed-loop ... |
Artículo
Biasing CMOS amplifiers using MOS transistors in subthreshold region
(2004)
The implementation of large-valued floating resistive elements using MOS transistors in subthreshold region is addressed. ... |
Tesis Doctoral
 Diseño de circuitos analógicos de baja tensión y bajo consumo empleando el seguidor de tensión FVF
(2003)
En los últimos años, el Grupo de Investigación de Tecnología Electrónica de la Universidad de Sevilla, ha desarrollado una ... |
Tesis Doctoral
Aportaciones al diseño de circuitos para comunicaciones de baja tensión de alimentación y bajo consumo
(2002)
Una de las líneas de investigación por el... En los últimos años los sistemas de comunicación han experimentado un avance ... |
Ponencia
Design of a band-pass sigma-delta modulator with reduced number of opamps
(2000)
This paper is intended to compare the performance of a Band-Pass converter structure and its Low-Pass prototype 2nd order ... |
Ponencia
CMOS fuzzifier using mixed-signal techniques with emphasis in power consumption
(1999)
A novel mixed-signal CMOS membership function generator (MFG) is presented. It is based on an enhanced version of a linear ... |
Tesis Doctoral
Contribuciones al diseño microelectrónico de controladores borrosos y neuronales automatización y realización
(1999)
El objetivo de esta tesis es explorar diferentes alternativas para la realización de microelectrónica de sistemas borrosos ... |
Ponencia
Stochastic and PWM coding for an efficient implementation of Cellular Neural Networks
(1997)
This paper present the application of Pulse Stream Tech-niques (PSTs) to the hardware implementation of a Cellular Neural ... |
Ponencia
An analog CMOS universal membership function circuit with fully independent, adjustable parameters
(1997)
A novel CMOS membership function circuit (MBC) is presented. It is based on a linear tunable transconductor proposed in ... |
Ponencia
Automatic synthesis of analog fuzzy controllers
(1997)
In this paper, a silicon compiler for analog fuzzy controllers is presented. The layout is automatically generated ... |
Ponencia
Digital test design with an "ad hoc" strategy for an industrial ASIC with large dimension
(1996)
The development of digital ASIC's with a large area states a lot of doubts when the ingenieer must design a test strategy. ... |