Belén Calvo

92 papers C 21Journal 31Unranked 40
YearRankTypeTitle / Venue / Authors
2025 — conf
A Fully Differential CMOS Low-Power Low-Noise Front-end Amplifier for Impedance Measurement.
PRIME
Julia Aragües, Belén Calvo, Nicolás Medrano
2024 J jnl
Low-Cost FPGA Implementation of Deep Learning-Based Heart Sound Segmentation for Real-Time CVDs Screening.
IEEE Trans. Instrum. Meas.
Daniel Enériz, Antonio J. Rodríguez-Almeida, Himar Fabelo, Samuel Ortega, Francisco Javier Balea-Fernández, Gustavo M. Callicó, Nicolás Medrano, Belén Calvo
2024 C conf
Low-Power Implementation of a U-Net-based Model for Heart Sound Segmentation on a Low-Cost FPGA.
DSD
Daniel Enériz, Antonio J. Rodríguez-Almeida, Himar Fabelo, Gustavo M. Callicó, Nicolás Medrano, Belén Calvo
2023 — conf
High Resolution Current Measurement Using TMR Sensors.
DCIS
Nicolás Medrano, Diego Antolín, Daniel Enériz, Belén Calvo
2023 — conf
Low-power EEGNet-based Brain-Computer Interface implemented on an Arduino Nano 33 Sense.
DCIS
Daniel Enériz, Nicolás Medrano, Belén Calvo, Diego Antolín
2022 — conf
10 mA Precision Contactless Current Sensing Using Low-Cost Hall-Effect Devices.
DCIS
Nicolás Medrano, Diego Antolín, Belén Calvo, Daniel Enériz
2022 — conf
Exploring a Segmentation-Classification Deep Learning-based Heart Murmurs Detector.
CinC
Daniel Enériz, Antonio J. Rodríguez-Almeida, Himar Fabelo, Samuel Ortega, Francisco Balea-Fernández, Nicolás Medrano, Belén Calvo, Gustavo M. Callicó
2022 — conf
Low-Power CMOS Amplifiers for Wideband Impedance Spectroscopy Applications.
DCIS
Jorge Pérez-Bailón, Belén Calvo, Nicolás Medrano
2022 — conf
Real-Time EEG Acquisition System for FPGA-based BCI.
DCIS
Daniel Enériz, Nicolás Medrano, Belén Calvo, Ana Caren Hernandez-Ruiz, Diego Antolín
2022 J jnl
Wide-Band Compact 1.8 V-0.18 μm CMOS Analog Front-End for Impedance Spectroscopy.
IEEE Trans. Circuits Syst. II Express Briefs
Jorge Pérez-Bailón, María Teresa Sanz-Pascual, Belén Calvo, Nicolás Medrano
2021 J jnl
A Wireless Instrumentation Control System Based on Low-Cost Single Board Computer Gateways.
IEEE Access
Daniel Enériz Orta, Nicolás Medrano, Belén Calvo
2021 — conf
Motor-Imagery EEGNet-Based Processing on a Low-Spec SoC Hardware.
IEEE SENSORS
Ana Caren Hernandez-Ruiz, Daniel Enériz, Nicolás Medrano, Belén Calvo
2020 — conf
A 1.8 V Gm-C Highly Tunable Low Pass Filter for Sensing Applications.
I2MTC
Jorge Pérez-Bailón, Belén Calvo, Nicolás Medrano, Jaime Ramírez-Angulo
2020 — conf
A CMOS Lock-In-based Read-out for Interdigitated Electrodes.
I2MTC
Paulina Mariana Maya-Hernández, María Teresa Sanz-Pascual, Jorge Pérez-Bailón, Belén Calvo, Nicolás Medrano
2020 — conf
A Dual Synchronous Demodulator for Phase Sensitive Detection Applications.
I2MTC
Alejandro Márquez, Nicolás Medrano, Belén Calvo, Jorge Pérez-Bailón
2020 C conf
A Fully Integrated PSD-LPF for Bioimpedance Spectroscopy Applications.
ISCAS
Alejandro Márquez, Nicolás Medrano, Belén Calvo
2020 — conf
A Wireless Instrumentation Control System Based on Low-Cost Single Board Computers.
I2MTC
Daniel Enériz, Nicolás Medrano, Belén Calvo, Jorge Pérez-Bailón
2020 C conf
Live Demonstration: A Low-Cost Wireless Instrumentation Control System.
ISCAS
Daniel Enériz, Nicolás Medrano, Belén Calvo
2019 J jnl
A CMOS Low Pass Filter for SoC Lock-in-Based Measurement Devices.
Sensors
Jorge Pérez-Bailón, Belén Calvo, Nicolás Medrano
2019 — conf
Comparison of Two Internal Miller Compensation Techniques for LDO Regulators.
CCE
F. Montalvo-Galicia, G. Diaz-Arango, Carlos Ventura-Arizmendi, Belén Calvo, María Teresa Sanz-Pascual
2019 — conf
Low-Noise Wide-Frequency Tunable Amplifier for Bioimpedance Spectroscopy Applications.
ICECS
Alejandro Márquez, Nicolás Medrano, Belén Calvo
2018 J jnl
A 0.18 μm CMOS LDO Regulator for an On-Chip Sensor Array Impedance Measurement System.
Sensors
Jorge Pérez-Bailón, Alejandro Márquez, Belén Calvo, Nicolás Medrano
2018 C conf
A 0.18μm CMOS Widely Tunable Low Pass Filter with sub-Hz Cutoff Frequencies.
ISCAS
Jorge Pérez-Bailón, Alejandro Márquez, Belén Calvo, Nicolás Medrano
2018 — conf
A 1V-1.75μW Gm-C low pass filter for bio-sensing applications.
LASCAS
Jorge Pérez-Bailón, Alejandro Márquez, Belén Calvo, Nicolás Medrano, María Teresa Sanz-Pascual
2018 J jnl
A CMOS Self-Contained Quadrature Signal Generator for SoC Impedance Spectroscopy.
Sensors
Alejandro Márquez, Jorge Pérez-Bailón, Belén Calvo, Nicolás Medrano, Pedro A. Martínez
2018 — conf
An accurate analysis method for complex IC analog neural network-based systems using high-level software tools.
LASCAS
A. Martinez-Nieto, Nicolás Medrano, María Teresa Sanz-Pascual, Belén Calvo
2017 — conf
A CMOS low-power 12-bit digitally programmable analog sinusoidal actuation system.
I2MTC
Alejandro Márquez, Jorge Pérez-Bailón, Pedro A. Martínez, Belén Calvo, Nicolás Medrano
2017 — conf
A CMOS low-power widely frequency tunable pre-conditioning stage for PSD sensor applications.
IEEE SENSORS
Alejandro Márquez, Jorge Pérez-Bailón, Pedro A. Martínez, Belén Calvo, Nicolás Medrano
2017 — conf
A CMOS low-power widely programmable active RC filter based on a hybrid CS/D network.
ECCTD
Alejandro Márquez, Jorge Pérez-Bailón, Pedro A. Martínez, Belén Calvo, Nicolás Medrano, Javier Alejandro Martínez Nieto, María Teresa Sanz-Pascual
2017 J jnl
A Compact Energy Harvesting System for Outdoor Wireless Sensor Nodes Based on a Low-Cost In Situ Photovoltaic Panel Characterization-Modelling Unit.
Sensors
Diego Antolín, Nicolás Medrano, Belén Calvo, Pedro A. Martínez
2017 J jnl
A Wearable Wireless Sensor Network for Indoor Smart Environment Monitoring in Safety Applications.
Sensors
Diego Antolín, Nicolás Medrano, Belén Calvo, Francisco José Lacueva-Pérez
2017 — conf
A power efficient LDO regulator for portable CMOS SoC measurement systems.
I2MTC
Jorge Pérez-Bailón, Alejandro Márquez, Belén Calvo, Nicolás Medrano
2017 C conf
Transient-enhanced output-capacitorless CMOS LDO regulator for battery-operated systems.
ISCAS
Jorge Pérez-Bailón, Alejandro Márquez, Belén Calvo, Nicolás J. Medrano-Marqués
2016 C conf
Low-power analog lock-in amplifier for high-resolution portable sensing systems.
ISCAS
Paulina Mariana Maya-Hernández, María Teresa Sanz-Pascual, Belén Calvo
2016 J jnl
Reliable Lifespan Evaluation of a Remote Environment Monitoring System Based on Wireless Sensor Networks and Global System for Mobile Communications.
J. Sensors
Diego Antolín, Nicolás Medrano, Belén Calvo
2015 J jnl
1.2 V-0.18-µm CMOS Temperature Sensors With Quasi-Digital Output for Portable Systems.
IEEE Trans. Instrum. Meas.
Cristina Azcona, Belén Calvo, Nicolás Medrano, Santiago Celma
2015 C conf
A 1.2-V 1.35-μW all MOS temperature sensor for wireless sensor networks.
ISCAS
Cristina Azcona, Belén Calvo, Nicolás Medrano, Santiago Celma, Cecilia Gimeno
2015 J jnl
A High Performance LIA-Based Interface for Battery Powered Sensing Devices.
Sensors
Daniel García-Romeo, María R. Valero, Nicolás Medrano, Belén Calvo, Santiago Celma
2015 — conf
A frequency-output temperature sensor with supply voltage insensitivity for battery operated systems.
ICIT
Cristina Azcona, Belén Calvo, Nicolás Medrano, Santiago Celma, Daniel García-Romeo
2015 J jnl
A high-performance 1.2 V-99 μW rail-to-rail CMOS class AB amplifier.
Microelectron. J.
María de Rodanas Valero Bernal, Nicolás J. Medrano-Marqués, Santiago Celma, Belén Calvo
2015 C conf
A wide-range dual-modulus prescaler using a novel SCL biasing technique.
ISCAS
Cristina Azcona, Belén Calvo, Nicolás Medrano, Santiago Celma, Cecilia Gimeno
2015 J jnl
CMOS Low-Power Lock-In Amplifiers With Signal Rectification in Current Domain.
IEEE Trans. Instrum. Meas.
Paulina Mariana Maya-Hernández, María Teresa Sanz-Pascual, Belén Calvo
2015 — conf
Sub-mA current measurement by means of GMR sensors and state of the art lock-in amplifiers.
ICIT
Daniel García-Romeo, Nicolás Medrano, Belén Calvo, Pedro A. Martínez, María-Dolores Cubells-Beltrán, Càndid Reig, Susana Cardoso, Paulo P. Freitas
2014 C conf
Precision CMOS current reference with process and temperature compensation.
ISCAS
Cristina Azcona, Belén Calvo, Santiago Celma, Nicolás Medrano, María Teresa Sanz
2014 J jnl
Square-Signal-Based Algorithm for Analog Lock-In Amplifiers.
IEEE Trans. Ind. Electron.
Javier Aguirre, Daniel García-Romeo, Nicolás Medrano, Belén Calvo, Santiago Celma
2013 — conf
A CMOS quasi-digital temperature sensor for battery operated systems.
ECCTD
Cristina Azcona, Belén Calvo, Nicolás J. Medrano-Marqués, Santiago Celma, Carlos Sánchez-Azqueta
2013 — conf
A compact low-voltage first-order temperature-compensated CMOS current reference.
ECCTD
Belén Calvo, Cristina Azcona, Nicolás J. Medrano-Marqués, Santiago Celma, María R. Valero
2013 C conf
A low-power ratiometric single/differential quasi-digital converter.
ISCAS
Cristina Azcona, Belén Calvo, Santiago Celma, Nicolás J. Medrano-Marqués, Pedro A. Martínez
2013 C conf
Analysis of the operating life for battery-operated wireless sensor nodes.
IECON
Diego Antolín, Nicolás Medrano, Belén Calvo
2013 J jnl
Low-Voltage Low-Power CMOS Rail-to-Rail Voltage-to-Current Converters.
IEEE Trans. Circuits Syst. I Regul. Pap.
Cristina Azcona, Belén Calvo, Santiago Celma, Nicolás J. Medrano-Marqués, Pedro A. Martínez
2013 — conf
OpAmp design for lock-in amplifiers in portable sensing systems.
ECCTD
María R. Valero, Santiago Celma, Nicolás J. Medrano-Marqués, Belén Calvo
2013 C conf
Portable low-power electronic interface for gas detection using microcantilevers.
IECON
Daniel García-Romeo, Maria Pilar Pina, Nicolás Medrano, Belén Calvo, Javier Sesé, Ismael Pellejero, Diego Antolín
2012 — conf
A 0.8-V 1.2-μW rail-to-rail fully differential OpAmp with adaptive biasing.
ESSCIRC
María de Rodanas Valero, Santiago Celma, Nicolás J. Medrano-Marqués, Belén Calvo
2012 C conf
A novel rail-to-rail differential voltage-to-frequency converter for portable sensing systems.
ISCAS
Cristina Azcona, Belén Calvo, Santiago Celma, Nicolás J. Medrano-Marqués
2012 J jnl
An Ultralow-Power Low-Voltage Class-AB Fully Differential OpAmp for Long-Life Autonomous Portable Equipment.
IEEE Trans. Circuits Syst. II Express Briefs
María de Rodanas Valero Bernal, Santiago Celma, Nicolás J. Medrano-Marqués, Belén Calvo
2012 C conf
An ultra low-power low-voltage class AB CMOS fully differential OpAmp.
ISCAS
María R. Valero, Santiago Celma, Nicolás J. Medrano-Marqués, Belén Calvo, Cristina Azcona
2011 J jnl
12-b Enhanced Input Range On-Chip Quasi-Digital Converter With Temperature Compensation.
IEEE Trans. Circuits Syst. II Express Briefs
Cristina Azcona, Belén Calvo, Nicolás J. Medrano-Marqués, Alberto Bayo, Santiago Celma
2011 J jnl
A 0.18 μm CMOS linear-in-dB AGC post-amplifier for optical communications.
Microelectron. Reliab.
Francisco Aznar, Santiago Celma, Belén Calvo
2011 J jnl
A Programmable Plug & Play Sensor Interface for WSN Applications.
Sensors
Sergio D. Vera, Alberto Bayo, Nicolás Medrano, Belén Calvo, Santiago Celma
2011 — conf
An analog lock-in amplifier for embedded sensor electronic interfaces.
ECCTD
Javier Aguirre, Nicolás J. Medrano-Marqués, Belén Calvo, Santiago Celma, Cristina Azcona
2011 J jnl
CMOS Voltage-to-Frequency Converter With Temperature Drift Compensation.
IEEE Trans. Instrum. Meas.
María R. Valero, Santiago Celma, Belén Calvo, Nicolás J. Medrano-Marqués
2011 — conf
Low-voltage low-power CMOS rail-to-rail V-I converters.
ECCTD
Cristina Azcona, Belén Calvo, Santiago Celma, Nicolás J. Medrano-Marqués
2010 — conf
A 0.18-µm CMOS 1.25-Gbps front-end receiver for low-cost short reach optical communications.
ESSCIRC
Francisco Aznar, Santiago Celma, Belén Calvo
2010 J jnl
A High-Performance CMOS Feedforward AGC Circuit for a WLAN Receiver.
IEEE Trans. Ind. Electron.
Juan Pablo Alegre Pérez, Belén Calvo, Santiago Celma
2010 C conf
A full-scale CMOS voltage-to-frequency converter for WSN signal conditioning.
ISCAS
Belén Calvo, Nicolás J. Medrano-Marqués, Santiago Celma
2010 C conf
Low-voltage gm-enhanced CMOS differential pairs using positive feedback.
ISCAS
Jaime Ramírez-Angulo, Belén Calvo, Ramón González Carvajal, Antonio J. López-Martín
2009 J jnl
Digitally Programmable Analogue Circuits for Sensor Conditioning Systems.
Sensors
Guillermo Zatorre, Nicolás Medrano, María Teresa Sanz, Concepción Aldea, Belén Calvo, Santiago Celma
2009 J jnl
SiGe Analog AGC Circuit for an 802.11a WLAN Direct Conversion Receiver.
IEEE Trans. Circuits Syst. II Express Briefs
Juan Pablo Alegre, Santiago Celma, Belén Calvo, Norbert Fiebig, S. Halder
2008 C conf
A fast compact CMOS feedforward automatic gain control circuit.
ISCAS
Juan Pablo Alegre, Belén Calvo, Santiago Celma
2008 J jnl
Class-AB Fully Differential Voltage Followers.
IEEE Trans. Circuits Syst. II Express Briefs
Jaime Ramírez-Angulo, Antonio J. López-Martín, Ramón González Carvajal, Belén Calvo
2008 J jnl
Design of a Novel Envelope Detector for Fast-Settling Circuits.
IEEE Trans. Instrum. Meas.
Juan Pablo Alegre, Santiago Celma, Belén Calvo, Jose Maria Garcia del Pozo
2008 C conf
Linear-enhanced V to I converters based on MOS resistive source degeneration.
ISCAS
Belén Calvo, Antonio J. López-Martín, Sandhana Balasubramanian, Jaime Ramírez-Angulo, Ramón González Carvajal
2008 J jnl
Low-Voltage Linearly Tunable CMOS Transconductor With Common-Mode Feedforward.
IEEE Trans. Circuits Syst. I Regul. Pap.
Belén Calvo, Santiago Celma, María Teresa Sanz, Juan Pablo Alegre, Francisco Aznar
2008 J jnl
Using MOS current dividers for linearization of programmable gain amplifiers.
Int. J. Circuit Theory Appl.
María Teresa Sanz, Santiago Celma, Belén Calvo
2007 C conf
A Novel CMOS Envelope Detector Structure.
ISCAS
Juan Pablo Alegre, Santiago Celma, Belén Calvo, Jose Maria Garcia del Pozo
2007 — conf
Class AB fully differential voltage followers.
ECCTD
Jaime Ramírez-Angulo, Antonio Lopez-Martin, Ramón G. Carvajal, Belén Calvo
2007 C conf
Low-Voltage Linearly Tunable CMOS Transconductor with Common-Mode Feedforward.
ISCAS
Belén Calvo, Santiago Celma, María Teresa Sanz, Juan Pablo Alegre
2007 J jnl
Low-distortion 4th order programmable Butterworth filter.
Microelectron. Reliab.
María Teresa Sanz, Santiago Celma, Belén Calvo
2007 — conf
Low-voltage low-power 200MHz variable gain amplifier in CMOS 0.35μm.
ECCTD
Juan Pablo Alegre, Santiago Celma, Belén Calvo, Aránzazu Otín
2007 — conf
New highly-accurate CMOS source-degenerated based V-I converter with positive feedback.
ECCTD
Jaime Ramírez-Angulo, Belén Calvo, Sri Raga Sudha Garimella, Santiago Celma, María Teresa Sanz
2006 C conf
1.8 V-100 MHz CMOS programmable gain amplifier.
ISCAS
Belén Calvo, Santiago Celma, Pedro A. Martínez, María Teresa Sanz
2006 — conf
A High-Linear Low-voltage CMOS Tunable Transconductor for VHF Filtering.
ICECS
Belén Calvo, Santiago Celma, María Teresa Sanz, Jaime Ramírez-Angulo
2006 — conf
Programmable Gain Amplifiers based on High-Linearity MOS Current Dividers.
ICECS
María Teresa Sanz, Santiago Celma, Belén Calvo
2005 — conf
1.8 V.0.35 μm CMOS wideband programmable gain amplifier.
ECCTD
Belén Calvo, Santiago Celma, Pedro A. Martínez, María Teresa Sanz
2005 — conf
Comparative study of MOST resistive configurations.
ECCTD
Juan Pablo Alegre, Santiago Celma, María Teresa Sanz, Belén Calvo
2005 — conf
High linear digitally programmable gain amplifier.
ISCAS (1)
Belén Calvo, María Teresa Sanz, Santiago Celma
2005 J jnl
MOS current divider based PGA.
Microelectron. Reliab.
María Teresa Sanz, Santiago Celma, Belén Calvo, Juan Pablo Alegre
2004 — conf
A high-linear 160-MHz CMOS PGA [programmable gain amplifier].
ESSCIRC
Belén Calvo, Santiago Celma, María Teresa Sanz
2004 J jnl
A high-linear wide-tunable CMOS transconductor for video frequency applications.
Microelectron. Reliab.
Belén Calvo, Santiago Celma, María Teresa Sanz, Pedro A. Martínez
2004 — conf
CMOS digitally programmable cell for high frequency amplification and filtering.
ISCAS (1)
Belén Calvo, Santiago Celma, María Teresa Sanz
2003 — conf
A CMOS digitally tunable transconductor for video frequency operation.
ISCAS (1)
Belén Calvo, María Teresa Sanz, Santiago Celma, Pedro A. Martínez
2003 J jnl
Novel high performance CMOS current conveyor.
Microelectron. Reliab.
Belén Calvo, Santiago Celma, Pedro A. Martínez, María Teresa Sanz