A jitter insensitive continuous-time ΣΔ modulator using transmission lines. - Luis Hernández 003; Pieter Rombouts; Enrique Prefasi; Susana Patón; Mario Garcia; Celia López (ICECS, 2004)

Synthesis of sigma delta modulators employing continuous time delays. - Luis Hernández 003; Enrique Prefasi; Susana Patón; Pieter Rombouts (ISCAS (4), 2005)

Analog to digital conversion using a Pulse Width Modulator and an irregular sampling decoder. - Luis Hernández 003; Enrique Prefasi (ICECS, 2006)

Design of Cascaded Continuous-Time Sigma-Delta Modulators. - Susana Patón; Manuel Sanchez-Renedo; Luis Hernández 003; Enrique Prefasi; Andreas Wiesbauer; Antonio Di Giandomenico; David San Segundo (ICECS, 2006)

A continuous-time band-pass Sigma Delta modulator implemented in 0.35µm BiCMOS using transmission lines. - Luis Hernández 003; Enrique Prefasi; Pieter Rombouts (ISCAS, 2006)

A Subsampling Quadrature Σ∆ Modulator Based on Distributed Resonators for Use in Radio Receiver. - Stijn Reekmans; Luis Hernández 003; Enrique Prefasi (IEEE Trans. Circuits Syst. II Express Briefs, 2007)

An A/D converter based on pulse width modulation and the walsh-hadamard transform. - Luis Hernández 003; Susana Patón; Enrique Prefasi (ICECS, 2008)

A one-path quadrature bandpass ΣΔ modulator based on distributed resonators at 25 MHz IF. - Enrique Prefasi; Stijn Reekmans; Luis Hernández 003 (ICECS, 2008)

A subsampling bandpass SigmaDelta modulator with lumped and distributed resonators. - Luis Hernández 003; Enrique Prefasi (ISCAS, 2008)

Analog-to-Digital Conversion Using Noise Shaping and Time Encoding. - Luis Hernández 003; Enrique Prefasi (IEEE Trans. Circuits Syst. I Regul. Pap., 2008)

Second-order multi-bit ΣΔ ADC using a Pulse-Width Modulated DAC and an integrating quantizer. - Enrique Prefasi; Ernesto Pun; Luis Hernández 003; Susana Patón (ICECS, 2009)

A 0.1 mm2, Wide Bandwidth Continuous-Time ΔΣ ADC Based on a Time Encoding Quantizer in 0.13 µm CMOS. - Enrique Prefasi; Luis Hernández 003; Susana Patón; Andreas Wiesbauer; Richard Gaggl; Ernesto Pun (IEEE J. Solid State Circuits, 2009)

A 1.2-MHz 10-bit Continuous-Time Sigma-Delta ADC Using a Time Encoding Quantizer. - Luis Hernández 003; Enrique Prefasi; Ernesto Pun; Susana Patón (IEEE Trans. Circuits Syst. II Express Briefs, 2009)

A 0.08 mm2, 7mW Time-Encoding Oversampling Converter with 10 bits and 20MHz BW in 65nm CMOS. - Enrique Prefasi; Susana Patón; Luis Hernández 003; Richard Gaggl; Andreas Wiesbauer; Jörg Hauptmann (ESSCIRC, 2010)

A time encoded decimation filter for noise shaped power DACs. - Luis Hernández 003; Jorge Fernández 001; Enrique Prefasi; Susana Patón (ISCAS, 2010)

Continuous Time Cascade Sigma Delta Modulator without digital cancellation filters. - Susana Patón; Juan A. Torreño; Enrique Prefasi; Luis Hernández 003 (ISCAS, 2010)

1.4V 13μW 83dB DR CT-ΣΔ modulator with Dual-Slope quantizer and PWM DAC for biopotential signal acquisition. - Francesco Cannillo; Enrique Prefasi; Luis Hernández 003; Ernesto Pun; Refet Firat Yazicioglu; Chris Van Hoof (ESSCIRC, 2011)

A 7 mW 20 MHz BW Time-Encoding Oversampling Converter Implemented in a 0.08 mm 2 65 nm CMOS Circuit. - Enrique Prefasi; Susana Patón; Luis Hernández 003 (IEEE J. Solid State Circuits, 2011)

Analysis of VCO based noise shaping ADCs linearized by PWM modulation. - Luis Hernández 003; Enrique Prefasi; Susana Patón; Pieter Rombouts (ICECS, 2012)

A distortion corrected passive RC noise shaping ADC for biomedical applications. - Luis Hernández 003; Enrique Prefasi; Susana Patón (ISCAS, 2013)

A multi-stage and time-based continuous time ΣΔ Architecture using a Gated Ring Oscillator. - Juan A. Torreño; Susana Patón; Luis Hernández 003; Enrique Prefasi; M. Presicce; G. Paoli (ISCAS, 2013)

A 0.03mm2, 40nm CMOS 1.5GS/s all-digital complementary PWM-GRO. - Enrique Prefasi; Eric Gutierrez; Luis Hernández 003; Susana Patón; Sergio Walter; Ulrich Gaier (ICECS, 2014)

An energy-efficient 17-bit noise-shaping Dual-Slope Capacitance-to-Digital Converter for MEMS sensors. - J. P. Sanjurjo; Enrique Prefasi; Cesare Buffa; Richard Gaggl (ESSCIRC, 2016)

A low-IF bandpass ΣΔ ADC for fully-integrated CMOS magnetic resonance imaging receivers. - S. Paton; Enrique Prefasi; M. Dominguez-Suarez; Marta Portela-García (MWSCAS, 2017)

A Capacitance-To-Digital Converter for MEMS Sensors for Smart Applications. - J. P. Sanjurjo; Enrique Prefasi; Cesare Buffa; Richard Gaggl (Sensors, 2017)

A Low-Power Auto-Zero Switched-Capacitor Dual-Slope Noise-Shaping Direct CDC. - Christopher Rogi; Enrique Prefasi; Richard Gaggl (ESSCIRC, 2018)

A Novel Multi-Bit Sigma-Delta Modulator using an Integrating SAR Noise-Shaped Quantizer. - Rubén Garvi; Enrique Prefasi (ICECS, 2018)

VCO-ADC Resolution Enhancement Using Maximum Length Sequences. - Luis Hernández 003; Enrique Prefasi; Susana Patón; Eric Gutierrez (ISCAS, 2018)

A 1-1 MASH using two Noise-Shaping Switched-Capacitor Dual-Slope converters. - Christopher Rogi; Rubén Garvi; Enrique Prefasi (PRIME, 2019)

A Fully-Differential Switched-Capacitor Dual-Slope Capacitance-To-Digital Converter (CDC) for a Capacitive Pressure Sensor. - Christopher Rogi; Cesare Buffa; Niccolò de Milleri; Richard Gaggl; Enrique Prefasi (Sensors, 2019)

Towards the Multi-Gigabit Ethernet for the Automotive Industry. - A. Rodríguez-Pérez; Rubén Pérez de Aranda Alonso; Enrique Prefasi; J. San Pablo; S. Dumont; J. Rosado; I. Enrique; P. Pinzón; D. Ortiz (ISCAS, 2020)

Multi-Gigabit Transceivers for Optical Data Communications From the Standardization Perspective. - A. Rodríguez-Pérez; Luis M. Torres; Enrique Prefasi; Rubén Pérez de Aranda Alonso (IEEE Trans. Circuits Syst. II Express Briefs, 2021)

A Novel Design Methodology for Low-Power, Low-Noise LC-Based Digital-Controlled Oscillators. - Pablo Jiménez-Fernández; Alberto Rodríguez-Pérez; Enrique Prefasi; Oscar Guerra; Rocío del Río (ICECS 2022, 2022)

ADC Architectural Study for Digitally-Assisted Multi-Gigabit Data Communication Transceivers. - Pedro Barba; Alberto Rodríguez-Pérez; Enrique Prefasi; Rocío del Río; Oscar Guerra (DCIS, 2023)

An LC-tank based DCO for low-power high-speed applications using full-custom nMOS-type varactors. - Pablo Jiménez-Fernández; Alberto Rodríguez-Pérez; Enrique Prefasi; Francisco Sierra; Rocío del Río; Oscar Guerra (Microelectron. J., 2024)