A CMOS digitally tunable transconductor for video frequency operation. - Belén Calvo; Maria Teresa Sanz; Santiago Celma; Pedro A. Martínez 001 (ISCAS (1), 2003)

Novel high performance CMOS current conveyor. - Belén Calvo; Santiago Celma; Pedro A. Martínez 001; Maria Teresa Sanz (Microelectron. Reliab., 2003)

A high-linear 160-MHz CMOS PGA [programmable gain amplifier]. - Belén Calvo; Santiago Celma; Maria Teresa Sanz (ESSCIRC, 2004)

CMOS digitally programmable cell for high frequency amplification and filtering. - Belén Calvo; Santiago Celma; Maria Teresa Sanz (ISCAS (1), 2004)

A high-linear wide-tunable CMOS transconductor for video frequency applications. - Belén Calvo; Santiago Celma; Maria Teresa Sanz; Pedro A. Martínez 001 (Microelectron. Reliab., 2004)

Comparative study of MOST resistive configurations. - Juan Pablo Alegre; Santiago Celma; Maria Teresa Sanz; Belén Calvo (ECCTD, 2005)

1.8 V.0.35 μm CMOS wideband programmable gain amplifier. - Belén Calvo; Santiago Celma; Pedro A. Martínez 001; Maria Teresa Sanz (ECCTD, 2005)

High linear digitally programmable gain amplifier. - Belén Calvo; Maria Teresa Sanz; Santiago Celma (ISCAS (1), 2005)

MOS current divider based PGA. - Maria Teresa Sanz; Santiago Celma; Belén Calvo; Juan Pablo Alegre (Microelectron. Reliab., 2005)

A High-Linear Low-voltage CMOS Tunable Transconductor for VHF Filtering. - Belén Calvo; Santiago Celma; Maria Teresa Sanz; Jaime Ramírez-Angulo (ICECS, 2006)

Programmable Gain Amplifiers based on High-Linearity MOS Current Dividers. - Maria Teresa Sanz; Santiago Celma; Belén Calvo (ICECS, 2006)

1.8 V-100 MHz CMOS programmable gain amplifier. - Belén Calvo; Santiago Celma; Pedro A. Martínez 001; Maria Teresa Sanz (ISCAS, 2006)

Low-voltage low-power 200MHz variable gain amplifier in CMOS 0.35μm. - Juan Pablo Alegre; Santiago Celma; Belén Calvo; Aránzazu Otín (ECCTD, 2007)

New highly-accurate CMOS source-degenerated based V-I converter with positive feedback. - Jaime Ramírez-Angulo; Belén Calvo; Sri Raga Sudha Garimella; Santiago Celma; Maria Teresa Sanz (ECCTD, 2007)

A Novel CMOS Envelope Detector Structure. - Juan Pablo Alegre; Santiago Celma; Belén Calvo; Jose Maria Garcia del Pozo (ISCAS, 2007)

Low-Voltage Linearly Tunable CMOS Transconductor with Common-Mode Feedforward. - Belén Calvo; Santiago Celma; Maria Teresa Sanz; Juan Pablo Alegre (ISCAS, 2007)

Low-distortion 4th order programmable Butterworth filter. - Maria Teresa Sanz; Santiago Celma; Belén Calvo (Microelectron. Reliab., 2007)

A fast compact CMOS feedforward automatic gain control circuit. - Juan Pablo Alegre; Belén Calvo; Santiago Celma (ISCAS, 2008)

Linear-enhanced V to I converters based on MOS resistive source degeneration. - Belén Calvo; Antonio J. López-Martín; Sandhana Balasubramanian; Jaime Ramírez-Angulo; Ramón González Carvajal (ISCAS, 2008)

Using MOS current dividers for linearization of programmable gain amplifiers. - Maria Teresa Sanz; Santiago Celma; Belén Calvo (Int. J. Circuit Theory Appl., 2008)

Low-Voltage Linearly Tunable CMOS Transconductor With Common-Mode Feedforward. - Belén Calvo; Santiago Celma; Maria Teresa Sanz; Juan Pablo Alegre; Francisco Aznar (IEEE Trans. Circuits Syst. I Regul. Pap., 2008)

Class-AB Fully Differential Voltage Followers. - Jaime Ramírez-Angulo; Antonio J. López-Martín; Ramón González Carvajal; Belén Calvo (IEEE Trans. Circuits Syst. II Express Briefs, 2008)

Design of a Novel Envelope Detector for Fast-Settling Circuits. - Juan Pablo Alegre; Santiago Celma; Belén Calvo; Jose Maria Garcia del Pozo (IEEE Trans. Instrum. Meas., 2008)

Digitally Programmable Analogue Circuits for Sensor Conditioning Systems. - Guillermo Zatorre; Nicolás Medrano; Maria Teresa Sanz; Concepción Aldea; Belén Calvo; Santiago Celma (Sensors, 2009)

SiGe Analog AGC Circuit for an 802.11a WLAN Direct Conversion Receiver. - Juan Pablo Alegre; Santiago Celma; Belén Calvo; Norbert Fiebig; S. Halder (IEEE Trans. Circuits Syst. II Express Briefs, 2009)

A 0.18-µm CMOS 1.25-Gbps front-end receiver for low-cost short reach optical communications. - Francisco Aznar; Santiago Celma; Belén Calvo (ESSCIRC, 2010)

A full-scale CMOS voltage-to-frequency converter for WSN signal conditioning. - Belén Calvo; Nicolás J. Medrano-Marqués; Santiago Celma (ISCAS, 2010)

Low-voltage gm-enhanced CMOS differential pairs using positive feedback. - Jaime Ramírez-Angulo; Belén Calvo; Ramón González Carvajal; Antonio J. López-Martín (ISCAS, 2010)

A High-Performance CMOS Feedforward AGC Circuit for a WLAN Receiver. - Juan Pablo Alegre Pérez; Belén Calvo; Santiago Celma (IEEE Trans. Ind. Electron., 2010)

An analog lock-in amplifier for embedded sensor electronic interfaces. - Javier Aguirre; Nicolás J. Medrano-Marqués; Belén Calvo; Santiago Celma; Cristina Azcona (ECCTD, 2011)

Low-voltage low-power CMOS rail-to-rail V-I converters. - Cristina Azcona; Belén Calvo; Santiago Celma; Nicolás J. Medrano-Marqués (ECCTD, 2011)

A 0.18 μm CMOS linear-in-dB AGC post-amplifier for optical communications. - Francisco Aznar; Santiago Celma; Belén Calvo (Microelectron. Reliab., 2011)

A Programmable Plug & Play Sensor Interface for WSN Applications. - Sergio D. Vera; Alberto Bayo; Nicolás Medrano; Belén Calvo; Santiago Celma (Sensors, 2011)

12-b Enhanced Input Range On-Chip Quasi-Digital Converter With Temperature Compensation. - Cristina Azcona; Belén Calvo; Nicolás J. Medrano-Marqués; Alberto Bayo; Santiago Celma (IEEE Trans. Circuits Syst. II Express Briefs, 2011)

CMOS Voltage-to-Frequency Converter With Temperature Drift Compensation. - María R. Valero; Santiago Celma; Belén Calvo; Nicolás J. Medrano-Marqués (IEEE Trans. Instrum. Meas., 2011)

A 0.8-V 1.2-μW rail-to-rail fully differential OpAmp with adaptive biasing. - María de Rodanas Valero; Santiago Celma; Nicolás J. Medrano-Marqués; Belén Calvo (ESSCIRC, 2012)

A novel rail-to-rail differential voltage-to-frequency converter for portable sensing systems. - Cristina Azcona; Belén Calvo; Santiago Celma; Nicolás J. Medrano-Marqués (ISCAS, 2012)

A 1.8V-0.18µm CMOS lock-in amplifier for portable applications. - Paulina Mariana Maya-Hernández; María Teresa Sanz-Pascual; Belén Calvo López (ISCAS, 2012)

An ultra low-power low-voltage class AB CMOS fully differential OpAmp. - María R. Valero; Santiago Celma; Nicolás J. Medrano-Marqués; Belén Calvo; Cristina Azcona (ISCAS, 2012)

An Ultralow-Power Low-Voltage Class-AB Fully Differential OpAmp for Long-Life Autonomous Portable Equipment. - María de Rodanas Valero Bernal; Santiago Celma; Nicolás J. Medrano-Marqués; Belén Calvo (IEEE Trans. Circuits Syst. II Express Briefs, 2012)

A CMOS quasi-digital temperature sensor for battery operated systems. - Cristina Azcona; Belén Calvo; Nicolás J. Medrano-Marqués; Santiago Celma; Carlos Sánchez-Azqueta (ECCTD, 2013)

A compact low-voltage first-order temperature-compensated CMOS current reference. - Belén Calvo; Cristina Azcona; Nicolás J. Medrano-Marqués; Santiago Celma; María R. Valero (ECCTD, 2013)

OpAmp design for lock-in amplifiers in portable sensing systems. - María R. Valero; Santiago Celma; Nicolás J. Medrano-Marqués; Belén Calvo (ECCTD, 2013)

Analysis of the operating life for battery-operated wireless sensor nodes. - Diego Antolín; Nicolás Medrano; Belén Calvo (IECON, 2013)

Portable low-power electronic interface for gas detection using microcantilevers. - Daniel García-Romeo; Maria Pilar Pina; Nicolás Medrano; Belén Calvo; Javier Sesé; Ismael Pellejero; Diego Antolín (IECON, 2013)

A low-power ratiometric single/differential quasi-digital converter. - Cristina Azcona; Belén Calvo; Santiago Celma; Nicolás J. Medrano-Marqués; Pedro A. Martínez 001 (ISCAS, 2013)

Low-Voltage Low-Power CMOS Rail-to-Rail Voltage-to-Current Converters. - Cristina Azcona; Belén Calvo; Santiago Celma; Nicolás J. Medrano-Marqués; Pedro A. Martínez 001 (IEEE Trans. Circuits Syst. I Regul. Pap., 2013)

Precision CMOS current reference with process and temperature compensation. - Cristina Azcona; Belén Calvo; Santiago Celma; Nicolás Medrano; Maria Teresa Sanz (ISCAS, 2014)

An Integrated Low-Power Lock-In Amplifier and Its Application to Gas Detection. - Paulina Mariana Maya-Hernández; Luis C. Álvarez-Simón; María Teresa Sanz-Pascual; Belén Calvo López (Sensors, 2014)

Square-Signal-Based Algorithm for Analog Lock-In Amplifiers. - Javier Aguirre; Daniel García-Romeo; Nicolás Medrano; Belén Calvo; Santiago Celma (IEEE Trans. Ind. Electron., 2014)

A frequency-output temperature sensor with supply voltage insensitivity for battery operated systems. - Cristina Azcona; Belén Calvo; Nicolás Medrano; Santiago Celma; Daniel García-Romeo (ICIT, 2015)

Sub-mA current measurement by means of GMR sensors and state of the art lock-in amplifiers. - Daniel García-Romeo; Nicolás Medrano; Belén Calvo; Pedro A. Martínez 001; María-Dolores Cubells-Beltrán; Càndid Reig; Susana Cardoso; Paulo P. Freitas (ICIT, 2015)

A 1.2-V 1.35-μW all MOS temperature sensor for wireless sensor networks. - Cristina Azcona; Belén Calvo; Nicolás Medrano; Santiago Celma; Cecilia Gimeno (ISCAS, 2015)

A wide-range dual-modulus prescaler using a novel SCL biasing technique. - Cristina Azcona; Belén Calvo; Nicolás Medrano; Santiago Celma; Cecilia Gimeno (ISCAS, 2015)

A high-performance 1.2 V-99 μW rail-to-rail CMOS class AB amplifier. - María de Rodanas Valero Bernal; Nicolás J. Medrano-Marqués; Santiago Celma; Belén Calvo (Microelectron. J., 2015)

A High Performance LIA-Based Interface for Battery Powered Sensing Devices. - Daniel García-Romeo; María R. Valero; Nicolás Medrano; Belén Calvo; Santiago Celma (Sensors, 2015)

1.2 V-0.18-µm CMOS Temperature Sensors With Quasi-Digital Output for Portable Systems. - Cristina Azcona; Belén Calvo; Nicolás Medrano; Santiago Celma (IEEE Trans. Instrum. Meas., 2015)

CMOS Low-Power Lock-In Amplifiers With Signal Rectification in Current Domain. - Paulina Mariana Maya-Hernández; María Teresa Sanz-Pascual; Belén Calvo (IEEE Trans. Instrum. Meas., 2015)

Low-power analog lock-in amplifier for high-resolution portable sensing systems. - Paulina Mariana Maya-Hernández; María Teresa Sanz-Pascual; Belén Calvo (ISCAS, 2016)

Self-biased class AB CMOS current buffer. - Javier Alejandro Martínez Nieto; María Teresa Sanz-Pascual; Nicolás J. Medrano-Marqués; Belén Calvo López (LASCAS, 2016)

Reliable Lifespan Evaluation of a Remote Environment Monitoring System Based on Wireless Sensor Networks and Global System for Mobile Communications. - Diego Antolín; Nicolás Medrano; Belén Calvo (J. Sensors, 2016)

Diseño de un procesador analógico-digital para la implementación integrada de redes neuronales en sistemas de bajo consumo. - Javier Alejandro Martínez Nieto; María Teresa Sanz-Pascual; Nicolás J. Medrano-Marqués; Belén Calvo López (Res. Comput. Sci., 2016)

A CMOS low-power widely programmable active RC filter based on a hybrid CS/D network. - Alejandro Márquez; Jorge Pérez-Bailón; Pedro A. Martínez 001; Belén Calvo; Nicolás Medrano; Javier Alejandro Martínez Nieto; María Teresa Sanz-Pascual (ECCTD, 2017)

A CMOS low-power 12-bit digitally programmable analog sinusoidal actuation system. - Alejandro Márquez; Jorge Pérez-Bailón; Pedro A. Martínez 001; Belén Calvo; Nicolás Medrano (I2MTC, 2017)

A power efficient LDO regulator for portable CMOS SoC measurement systems. - Jorge Pérez-Bailón; Alejandro Márquez; Belén Calvo; Nicolás Medrano (I2MTC, 2017)

A CMOS low-power widely frequency tunable pre-conditioning stage for PSD sensor applications. - Alejandro Márquez; Jorge Pérez-Bailón; Pedro A. Martínez 001; Belén Calvo; Nicolás Medrano (IEEE SENSORS, 2017)

Transient-enhanced output-capacitorless CMOS LDO regulator for battery-operated systems. - Jorge Pérez-Bailón; Alejandro Márquez; Belén Calvo; Nicolás J. Medrano-Marqués (ISCAS, 2017)

A Wearable Wireless Sensor Network for Indoor Smart Environment Monitoring in Safety Applications. - Diego Antolín; Nicolás Medrano; Belén Calvo; Francisco José Lacueva-Pérez (Sensors, 2017)

A Compact Energy Harvesting System for Outdoor Wireless Sensor Nodes Based on a Low-Cost In Situ Photovoltaic Panel Characterization-Modelling Unit. - Diego Antolín; Nicolás Medrano; Belén Calvo; Pedro A. Martínez 001 (Sensors, 2017)

A 0.18μm CMOS Widely Tunable Low Pass Filter with sub-Hz Cutoff Frequencies. - Jorge Pérez-Bailón; Alejandro Márquez; Belén Calvo; Nicolás Medrano (ISCAS, 2018)

An accurate analysis method for complex IC analog neural network-based systems using high-level software tools. - A. Martinez-Nieto; Nicolás Medrano; María Teresa Sanz-Pascual; Belén Calvo (LASCAS, 2018)

High-precision self-compensated fully-integrated CMOS LDO regulator. - F. Montalvo-Galicia; María Teresa Sanz-Pascual; Belén Calvo López (LASCAS, 2018)

A 1V-1.75μW Gm-C low pass filter for bio-sensing applications. - Jorge Pérez-Bailón; Alejandro Márquez; Belén Calvo; Nicolás Medrano; María Teresa Sanz-Pascual (LASCAS, 2018)

A CMOS Self-Contained Quadrature Signal Generator for SoC Impedance Spectroscopy. - Alejandro Márquez; Jorge Pérez-Bailón; Belén Calvo; Nicolás Medrano; Pedro A. Martínez 001 (Sensors, 2018)

A 0.18 μm CMOS LDO Regulator for an On-Chip Sensor Array Impedance Measurement System. - Jorge Pérez-Bailón; Alejandro Márquez; Belén Calvo; Nicolás Medrano (Sensors, 2018)

Low-Noise Wide-Frequency Tunable Amplifier for Bioimpedance Spectroscopy Applications. - Alejandro Márquez; Nicolás Medrano; Belén Calvo (ICECS, 2019)

Design of a phase alignment circuit for lock in amplifiers in 1.8V-0.18μm CMOS technology. - M. Yerena-Mora; Oscar J. Cinco-Izquierdo; María Teresa Sanz-Pascual; Belén Calvo López; A. Márquez (ICECS, 2019)

Comparison of Two Internal Miller Compensation Techniques for LDO Regulators. - F. Montalvo-Galicia; G. Diaz-Arango; Carlos Ventura-Arizmendi; Belén Calvo; María Teresa Sanz-Pascual (CCE, 2019)

High-Level Modeling and Simulation Tool for Sensor Conditioning Circuit Based on Artificial Neural Networks. - Javier Alejandro Martínez Nieto; Nicolás J. Medrano-Marqués; María Teresa Sanz-Pascual; Belén Calvo López (Sensors, 2019)

A CMOS Low Pass Filter for SoC Lock-in-Based Measurement Devices. - Jorge Pérez-Bailón; Belén Calvo; Nicolás Medrano (Sensors, 2019)

Ultralow-Power Synchronous Demodulation for Low-Level Sensor Signal Detection. - Paulina Mariana Maya-Hernández; Belén Calvo López; María Teresa Sanz-Pascual (IEEE Trans. Instrum. Meas., 2019)

A Wireless Instrumentation Control System Based on Low-Cost Single Board Computers. - Daniel Enériz; Nicolás Medrano; Belén Calvo; Jorge Pérez-Bailón (I2MTC, 2020)

A Dual Synchronous Demodulator for Phase Sensitive Detection Applications. - Alejandro Márquez; Nicolás Medrano; Belén Calvo; Jorge Pérez-Bailón (I2MTC, 2020)

A CMOS Lock-In-based Read-out for Interdigitated Electrodes. - Paulina Mariana Maya-Hernández; María Teresa Sanz-Pascual; Jorge Pérez-Bailón; Belén Calvo; Nicolás Medrano (I2MTC, 2020)

A 1.8 V Gm-C Highly Tunable Low Pass Filter for Sensing Applications. - Jorge Pérez-Bailón; Belén Calvo; Nicolás Medrano; Jaime Ramírez-Angulo (I2MTC, 2020)

Live Demonstration: A Low-Cost Wireless Instrumentation Control System. - Daniel Enériz; Nicolás Medrano; Belén Calvo (ISCAS, 2020)

A Fully Integrated PSD-LPF for Bioimpedance Spectroscopy Applications. - Alejandro Márquez; Nicolás Medrano; Belén Calvo (ISCAS, 2020)

Microelectronic CMOS Implementation of a Machine Learning Technique for Sensor Calibration. - Javier Alejandro Martínez Nieto; María Teresa Sanz-Pascual; Nicolás Medrano; Belén Calvo López; Diego Antolín (IEEE Access, 2020)

Motor-Imagery EEGNet-Based Processing on a Low-Spec SoC Hardware. - Ana Caren Hernandez-Ruiz; Daniel Enériz; Nicolás Medrano; Belén Calvo (IEEE SENSORS, 2021)

A Wireless Instrumentation Control System Based on Low-Cost Single Board Computer Gateways. - Daniel Enériz Orta; Nicolás Medrano; Belén Calvo (IEEE Access, 2021)

Exploring a Segmentation-Classification Deep Learning-based Heart Murmurs Detector. - Daniel Enériz; Antonio J. Rodríguez-Almeida; Himar Fabelo; Samuel Ortega; Francisco Balea-Fernández; Nicolás Medrano; Belén Calvo; Gustavo M. Callicó (CinC, 2022)

Real-Time EEG Acquisition System for FPGA-based BCI. - Daniel Enériz; Nicolás Medrano; Belén Calvo; Ana Caren Hernandez-Ruiz; Diego Antolín (DCIS, 2022)

10 mA Precision Contactless Current Sensing Using Low-Cost Hall-Effect Devices. - Nicolás Medrano; Diego Antolín; Belén Calvo; Daniel Enériz (DCIS, 2022)

Low-Power CMOS Amplifiers for Wideband Impedance Spectroscopy Applications. - Jorge Pérez-Bailón; Belén Calvo; Nicolás Medrano (DCIS, 2022)

Wide-Band Compact 1.8 V-0.18 μm CMOS Analog Front-End for Impedance Spectroscopy. - Jorge Pérez-Bailón; María Teresa Sanz-Pascual; Belén Calvo; Nicolás Medrano (IEEE Trans. Circuits Syst. II Express Briefs, 2022)

Low-power EEGNet-based Brain-Computer Interface implemented on an Arduino Nano 33 Sense. - Daniel Enériz; Nicolás Medrano; Belén Calvo; Diego Antolín (DCIS, 2023)

High Resolution Current Measurement Using TMR Sensors. - Nicolás Medrano; Diego Antolín; Daniel Enériz; Belén Calvo (DCIS, 2023)

Three-Stage Low Dropout Regulator with Enhanced Transient Response and Regulation Performance. - Andrés Fernando Serrano Reyes; María Teresa Sanz-Pascual; Belén Calvo López; Nicolás Medrano (DCIS, 2023)

Low-Power Implementation of a U-Net-based Model for Heart Sound Segmentation on a Low-Cost FPGA. - Daniel Enériz; Antonio J. Rodríguez-Almeida; Himar Fabelo; Gustavo M. Callicó; Nicolás Medrano; Belén Calvo (DSD, 2024)

Low-Cost FPGA Implementation of Deep Learning-Based Heart Sound Segmentation for Real-Time CVDs Screening. - Daniel Enériz; Antonio J. Rodríguez-Almeida; Himar Fabelo; Samuel Ortega; Francisco Javier Balea-Fernández; Gustavo M. Callicó; Nicolás Medrano; Belén Calvo (IEEE Trans. Instrum. Meas., 2024)