A quadrature relaxation oscillator-mixer in CMOS. - Luís Bica Oliveira; Jorge R. Fernandes; Michiel H. L. Kouwenhoven; Chris van den Bos; Chris J. M. Verhoeven (ISCAS (1), 2003)

A 2.4 GHz CMOS quadrature LC-oscillator/mixer. - Luís Bica Oliveira; Jorge R. Fernandes; Igor M. Filanovsky; Chris J. M. Verhoeven (ISCAS (1), 2004)

On phase noise in quadrature cross-coupled oscillators. - Luís Bica Oliveira; Ahmed Allam; Igor M. Filanovsky; Jorge R. Fernandes (ISCAS (3), 2005)

Synchronization of mutually coupled LC-oscillators. - Ahmed Allam; Igor M. Filanovsky; Luís Bica Oliveira; Jorge R. Fernandes (ISCAS, 2006)

A 5-GHz combined oscillator/mixer. - Chris van den Bos; Luís Bica Oliveira; Jorge R. Fernandes; Chris J. M. Verhoeven (ISCAS, 2006)

Quadrature Van der Pol oscillators using second harmonic coupling. - Igor M. Filanovsky; Ahmed Allam; Luís Bica Oliveira; Jorge R. Fernandes (ISCAS, 2006)

Experimental Evaluation of Phase-Noise and Quadrature Error in a CMOS 2.4 GHz Relaxation Oscillator. - Luís Bica Oliveira; Jorge R. Fernandes; Manuel Medeiros Silva; Igor M. Filanovsky; Chris J. M. Verhoeven (ISCAS, 2007)

The Effect of Mismatches and Delay on the Quadrature Error of a Cross-Coupled Relaxation Oscillator. - Jorge R. Fernandes; Michiel H. L. Kouwenhoven; Chris van den Bos; Luís B. Oliveira; Chris J. M. Verhoeven (IEEE Trans. Circuits Syst. I Regul. Pap., 2007)

Synchronization of two LC- oscillators using capacitive coupling. - Luís Bica Oliveira; Igor M. Filanovsky; Ahmed Allam; Jorge R. Fernandes (ISCAS, 2008)

A Pulse Generator for UWB-IR Based on a Relaxation Oscillator. - Jorge R. Fernandes; Hugo B. Goncalves; Luís Bica Oliveira; Manuel Medeiros Silva (IEEE Trans. Circuits Syst. II Express Briefs, 2008)

Switching Time in Relaxation Oscillations of Emitter-Coupled Multivibrators. - Igor M. Filanovsky; Luís Bica Oliveira; Chris J. M. Verhoeven; Jorge R. Fernandes (IEEE Trans. Circuits Syst. II Express Briefs, 2008)

Run-Time Reconfigurable Array Using Magnetic RAM. - Victor Silva 001; Luís Bica Oliveira; Jorge R. Fernandes; Mário P. Véstias; Horácio C. Neto (DSD, 2009)

Combined LNA and Mixer Circuits for 2.4 GHz ISM Band. - Miguel A. Martins; Luís Bica Oliveira; Jorge R. Fernandes (ISCAS, 2009)

Fast-settling low-power two-stage self-biased CMOS amplifier using feedforward-regulated cascode devices. - Edinei Santin; Michael Figueiredo; Rui Santos-Tavares; João Goes; Luís B. Oliveira (ICECS, 2010)

MOSFET-only Mixer/IIR filter with gain using parametric amplification. - José Rui Custódio; João Pedro Oliveira 003; Luís B. Oliveira; João Goes; Erik Bruun (ISCAS, 2010)

Fully integrated and reconfigurable architecture for coherent self-testing of IQ ADCs. - Edinei Santin; Luís B. Oliveira; Blazej Nowacki; João Goes (ISCAS, 2010)

Experimental comparison of phase-noise in cross-coupled RC- and LC-oscillators. - Luís Bica Oliveira; Ahmed Allam; Igor M. Filanovsky; Jorge R. Fernandes; Chris J. M. Verhoeven; Manuel M. Silva (Int. J. Circuit Theory Appl., 2010)

A 5 GHz quadrature relaxation oscillator with mixing for improved testability or compact front-end implementation. - Luís Bica Oliveira; Chris van den Bos; Jorge R. Fernandes; Chris J. M. Verhoeven; Manuel M. Silva (Int. J. Circuit Theory Appl., 2010)

CMOS Fully Differential Feedforward-Regulated Folded Cascode Amplifier. - Edinei Santin; Michael Figueiredo; João Goes; Luís B. Oliveira (DoCEIS, 2011)

A 1 mW low phase-noise relaxation oscillator. - João Casaleiro; Hugo Lopes; Luís Bica Oliveira; Jorge R. Fernandes; Manuel Medeiros Silva (ISCAS, 2011)

A Fully Integrated and Reconfigurable Architecture for Coherent Self-Testing of High Speed Analog-to-Digital Converters. - Edinei Santin; Luís B. Oliveira; Blazej Nowacki; João Goes (IEEE Trans. Circuits Syst. I Regul. Pap., 2011)

A High-Level Model for Capacitive Coupled RC Oscillators. - João Casaleiro; Luís Bica Oliveira (DoCEIS, 2012)

Low phase-noise temperature compensated self-biased ring oscillator. - Somayeh Abdollahvand; João Goes; Luís B. Oliveira; Luís Gomes 001; Nuno Paulino 002 (ISCAS, 2012)

Balun LNA with continuously controllable gain and with noise and distortion cancellation. - Ivan Bastos; Luís B. Oliveira; João Pedro Oliveira 003; João Goes; Manuel Medeiros Silva (ISCAS, 2012)

Low-power and low-area CMOS quadrature RC oscillator with capacitive coupling. - João Casaleiro; Luís Bica Oliveira; Igor M. Filanovsky (ISCAS, 2012)

Fast and accurate estimation of gain and sample-time mismatches in time-interleaved ADCs using on-chip oscillators. - Edinei Santin; Luís Bica Oliveira; João Goes (ISCAS, 2012)

An ultra compact wideband combined LNA-oscillator-mixer for biomedical applications. - Eduardo Ortigueira; Jorge R. Fernandes; Manuel M. Silva; Luís Bica Oliveira (MWSCAS, 2012)

Low voltage low power fully differential self-biased 1.5-bit quantizer with built-in thresholds. - Michael Figueiredo; João Goes; Luís B. Oliveira; Adolfo Steiger-Garção (Int. J. Circuit Theory Appl., 2012)

An inductorless CMOS quadrature oscillator continuously tuneable from 3.1 to 10.6 GHz. - Luís Bica Oliveira; Erik T. Snelling; Jorge R. Fernandes; Manuel M. Silva (Int. J. Circuit Theory Appl., 2012)

Noise Performance of a Regulated Cascode Transimpedance Amplifier for Radiation Detectors. - Luís B. Oliveira; Carlos M. Leitao; Manuel Medeiros Silva (IEEE Trans. Circuits Syst. I Regul. Pap., 2012)

A 1.2 V Low-Noise-Amplifier with Double Feedback for High Gain and Low Noise Figure. - Ivan Bastos; Fábio Querido; D. Amoêdo; Luís Bica Oliveira; João Pedro Oliveira 003; João Goes; Manuel Medeiros Silva (DoCEIS, 2013)

Design of Cascode-Based Transconductance Amplifiers with Low-Gain PVT Variability and Gain Enhancement Using a Body-Biasing Technique. - Nuno Pereira 002; Luís Bica Oliveira; João Goes (DoCEIS, 2013)

Double feedforward 0.6 V LNA with high gain and low noise figure. - Ivan Bastos; Luís Bica Oliveira; João Pedro Oliveira 003; João Goes; Manuel M. Silva (MIXDES, 2013)

Cascode amplifiers with low-gain variability using body-biasing temperature and supply compensation. - Nuno Pereira 002; Luís B. Oliveira; João Goes; João Pedro Oliveira 003 (MIXDES, 2013)

A 0.5 V Ultra-low Power Quadrature Ring Oscillator. - João Eusébio; Luís B. Oliveira; Luís Miguel Pires; João Pedro Oliveira 003 (DoCEIS, 2014)

Piezoelectric Energy Harvester for a CMOS Wireless Sensor. - Nuno Mancelos; Joana Correia; Luís Miguel Pires; Luís B. Oliveira; João Pedro Oliveira 003 (DoCEIS, 2014)

The design of a light barrier system as an undergraduate laboratory project. - Luís Bica Oliveira; Nuno Paulino 002; Nuno Pereira 002 (ISCAS, 2014)

Experimental evaluation of wide range injection locking in a CMOS RC oscillator. - Eduardo Ortigueira; Luís Bica Oliveira; Jorge R. Fernandes; Manuel Medeiros Silva (ISCAS, 2014)

Quadrature relaxation oscillator with FoM of -165 dBc/Hz. - Eduardo Ortigueira; Taimur Gibran Rabuske; Luís Bica Oliveira; Jorge R. Fernandes; Manuel Medeiros Silva (ISCAS, 2014)

Analog-to-Digital Converters with embedded IF mixing using variable reference voltages. - Nuno Pereira 002; João Goes; Luís Bica Oliveira; Rui Dinis 001 (ISCAS, 2014)

A low power quadrature class D LC oscillator with 0.4V supply. - Andre Bispo; Filipe Quendera; Ricardo Madeira; João Pedro Oliveira 003; Luís B. Oliveira (MIXDES, 2014)

A low-voltage LNA and current mode mixer design for energy harvesting sensor node. - Joana Correia; Nuno Mancelos; João Pedro Oliveira 003; Luís B. Oliveira (MIXDES, 2014)

Regulated common-gate transimpedance amplifier for radiation detectors and receivers. - Diogo C. Dias; Filipe S. de Melo; Luís B. Oliveira; João Pedro Oliveira 003 (MIXDES, 2014)

A widely tunable narrowband balun-LNA with integrated filtering. - Miguel Fernandes; Luís B. Oliveira; João Pedro Oliveira 003 (MIXDES, 2014)

Quadrature error of two-integrator oscillators. - João Casaleiro; Luís Bica Oliveira; Igor M. Filanovsky (MWSCAS, 2014)

Regulated Common-Gate Transimpedance Amplifier Designed to Operate With a Silicon Photo-Multiplier at the Input. - Manuel Medeiros Silva; Luís B. Oliveira (IEEE Trans. Circuits Syst. I Regul. Pap., 2014)

A low-voltage voltage-controlled ring-oscillator employing dynamic-threshold-MOS and body-biasing techniques. - Somayeh Abdollahvand; Luís Bica Oliveira; Luís Gomes 001; João Goes (ISCAS, 2015)

Analysis of a noise canceling LNA using a Si2 OpenAccess based tool - CADIT. - João P. Alarcão; Luís B. Oliveira; João Pedro Oliveira 003; Rui Santos-Tavares (MIXDES, 2015)

Wideband CMOS RF front-end receiver with integrated filtering. - Filipe Araújo; Miguel D. Fernandes; João Pinto; Luís Bica Oliveira; João Pedro Oliveira 003 (MIXDES, 2015)

Iterative Frequency-Domain Equalization for General QAM Constellations with Reduced Envelope Fluctuations through Magnitude Modulation Techniques. - Marco Gomes 001; Rui Dinis 001; Vítor Manuel Mendes da Silva; Francisco Cercas 001; Luís Bica Oliveira (VTC Spring, 2015)

Amplitude and Quadrature Errors of Two-Integrator Oscillator. - João Casaleiro; Luís B. Oliveira; Igor M. Filanovsky (J. Low Power Electron., 2015)

Wideband CMOS Receiver with Integrated Filtering and a Current-Mode Sigma-Delta Analog-to-Digital Converter. - Miguel D. Fernandes; Luís B. Oliveira (J. Low Power Electron., 2015)

Wideband noise cancelling balun LNA with feedback biasing. - Miguel D. Fernandes; Luís B. Oliveira; João Goes (ISCAS, 2016)

Using "reconciliation" model for calculation of harmonics in a MOS transistor stage operating in moderate inversion. - Igor M. Filanovsky; Luís B. Oliveira (ISCAS, 2016)

On design of memory retention LDO regulator. - Igor M. Filanovsky; Luís Bica Oliveira; V. V. Ivanov (NEWCAS, 2016)

Noise canceling LNA with gain enhancement by using double feedback. - Ivan Bastos; Luís Bica Oliveira; João Goes; João Pedro Oliveira 003; Manuel Medeiros Silva (Integr., 2016)

A quadrature RC-oscillator with capacitive coupling. - João Casaleiro; Luís B. Oliveira; Igor M. Filanovsky (Integr., 2016)

A simple LDO with adaptable bias for internet of things applications. - Igor M. Filanovsky; Luís Bica Oliveira; Nikolay T. Tchamov; Vadim V. Ivanov (ISCAS, 2017)

Low frequency CMOS two-integrator oscillator for IoT applications. - Elvio Mendes; Luís Bica Oliveira; João Pedro Oliveira 003 (MIXDES, 2017)

Fractional harmonic distortion calculation using simplified "reconciliation" model for a MOST operating in moderate inversion. - Igor M. Filanovsky; Luís B. Oliveira; Nikolay T. Tchamov (MWSCAS, 2017)

Undergraduate Electronics Projects Based on the Design of an Optical Wireless Audio Transmission System. - Luís Bica Oliveira; Nuno Paulino 002; João Pedro Oliveira 003; Rui Santos-Tavares; Nuno Pereira 002; João Goes (IEEE Trans. Educ., 2017)

Using Modified Bessel Functions For Calculations of Drain Current Harmonics In a MOS Transistor Operating in Moderate Inversion. - Igor M. Filanovsky; Luís B. Oliveira; Nikolay T. Tchamov (ISCAS, 2018)

Characterization of the residual self-interference power in full-duplex wireless systems. - Luis Irio; Rodolfo Oliveira; Luís B. Oliveira (ISCAS, 2018)

Generic Model for Multi-Phase Ring Oscillators. - Paula C. Pereira; António C. Pinto; Luís Bica Oliveira; Jorge R. Fernandes (ISCAS, 2018)

Decomposition of Drain Current In Weak, Moderate, and Strong Inversion Components. - Igor M. Filanovsky; Luís B. Oliveira; Nikolay T. Tchamov (ICECS, 2019)

On Sensitivity of Bias Operation Point In Transistors with Moderate Inversion. - Igor M. Filanovsky; Luís Bica Oliveira (MWSCAS, 2019)

Built-in self test of high speed analog-to-digital converters. - Edinei Santin; Luís B. Oliveira; João Goes (IEEE Instrum. Meas. Mag., 2019)

Combined Organic Photovoltaic Cells and Ultra Low Power CMOS Circuit for Indoor Light Energy Harvesting. - Duarte Batista; Luís Bica Oliveira; Nuno Paulino 002; Carlos Carvalho 001; João Pedro Oliveira 003; Joana Farinhas; Ana Charas; Pedro Mendonça dos Santos (Sensors, 2019)

Using Modified Bessel Functions for Analysis of Nonlinear Effects in a MOS Transistor Operating in Moderate Inversion. - Igor M. Filanovsky; Luís B. Oliveira; Nikolay T. Tchamov (IEEE Trans. Circuits Syst. I Regul. Pap., 2019)

A Data Fusion of IoT Sensor Networks for Decision Support in Forest Fire Suppression. - João P. Oliveira; Miguel Lourenço; Luís Bica Oliveira; André Mora; Henrique Oliveira (IFIPIoT, 2021)

Design of Ultra Low Power CMOS Oscillators Using Active Inductors. - Duarte Batista; Luís B. Oliveira; Igor M. Filanovsky (MWSCAS, 2021)

An Integrated Decision Support System for Improving Wildfire Suppression Management. - Miguel Lourenço; Luís B. Oliveira; João Pedro Oliveira 003; André Mora; Henrique Oliveira; Rui Santos-Tavares (ISPRS Int. J. Geo Inf., 2021)

A Full Current-Mode Timing Circuit with Dark Noise Suppression for the CERN CMS Experiment. - Edgar F. M. Albuquerque; Ricardo Bugalho; Luís B. Oliveira; T. Niknejad; José C. Silva; Alessio Boletti; João Varela (ESSCIRC, 2022)

Automatic Rural Road Centerline Detection and Extraction from Aerial Images for a Forest Fire Decision Support System. - Miguel Lourenço; Diogo Estima; Henrique Oliveira; Luís Bica Oliveira; André Mora (Remote. Sens., 2023)

Impact and compensation of carrier synchronization errors in OFDM signals with very large QAM constellations. - Zahra Mokhtari; Rui Dinis 001; Luís Bica Oliveira; João Pedro Oliveira 003 (IET Commun., 2023)

Nonlinear Model Predictive Control for Optimal Dose Administration in Radiotherapy. - João C. G. Araújo; Bruno J. Guerreiro; Luís Bica Oliveira; Filipe Ferreira da Silva (DoCEIS, 2024)

A Physically Unclonable Function for Biomedical Devices Authentication. - João Cabacinho; João Casaleiro; Luís B. Oliveira (DoCEIS, 2024)

CMOS Analog Simulators of Dynamical Systems. - João C. G. Araújo; Luís Bica Oliveira; Bruno Joao Nogueira Guerreiro; Filipe Ferreira da Silva (IEEE Access, 2024)

A Physically Unclonable Function Systematic Performance Analysis Methodology. - João Cabacinho; João Casaleiro; Luís Bica Oliveira (DoCEIS, 2025)

An Integrated Framework for the Development of a Multi-sensor Node to Support Wildfire Management. - Miguel Lourenço; Luís Bica Oliveira; Henrique Oliveira (DoCEIS, 2025)

Analysis and Design of ULV DIGOTAs in 16 nm CMOS FinFET. - Ricardo J. Machado 001; Pedro Toledo; Luís Bica Oliveira; Miguel Máximo; Mauro Santos; João Oliveira; Paolo Stefano Crovetti (ISCAS, 2025)

Design of a TRNG in 600-nm IGZO-TFT FlexICs for Secure IoT Applications. - João Cabacinho; Diogo Sousa 004; João Marcelino; Marco Fernandes; Pedro Barquinha; João Goes; João Casaleiro; Luís Bica Oliveira (ISCAS, 2025)

Accurate Rural Road Network With Improved Dataset for Strengthen Wildfire Emergency Response. - Miguel Lourenço; Duarte Caetano; André Mora; Luís B. Oliveira; Henrique Oliveira (IEEE Access, 2025)