Publications

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2019
Póvoa, Ricardo, António Canelas, Ricardo Martins, Nuno Horta, Nuno Lourenço, and João Goes. "A Low Noise CMOS Inverter-Based OTA for and Healthcare Signal Receivers”, 16th International Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design (SMACD)." 16th International Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design (SMACD). IEEE, 2019.
Póvoa, Ricardo, Nuno Lourenço, Ricardo Martins, António Canelas, Nuno Horta, and João Goes. "A Folded Voltage-Combiners Biased Amplifier for Low Voltage and High Energy-Efficiency Applications." IEEE Transactions on Circuits and Systems II: Express Briefs (2019).
Da Palma Goes, João Carlos, Rui Fernando Dos Santos Pereira Martins, Carla Maria Quintão Pereira, Cláudia Regina Pereira Verga Pereira Quaresma, and Ricardo Nuno Afonso Vigário Physical Training Device for Animals With Therapeutical and Entertaining Component. Private - WO 2019/209129 A1, 2019.
de Melo, João. L. A., Nuno Pereira, Pedro V. Leitão, Nuno Paulino, and João Goes. "A Systematic Design Methodology for Optimization of Sigma-Delta Modulators Based on an Evolutionary Algorithm." IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS–I: REGULAR PAPERS.no. 9 (2019): pp. 3544-3556.
2018
de Melo, João, Nuno Paulino, and João Goes. "Continuous-Time Delta-Sigma Modulators Based on Passive RC Integrators." IEEE Transactions on Circuits and Systems I: Regular Papers.IEEE (2018).
Śniatała, Paweł, Marek Kropidłowski, João Goes, Nuno Paulino, and João Pedro Oliveira Current mode ΣΔ modulators designed for amperometry based medical sensors. International Conference on Signals and Electronic Systems, ICSES 2018. Kraków, Poland: IEEE, 2018.
Póvoa, Ricardo, João Goes, and Nuno Horta A New Family of CMOS Cascode-Free Amplifiers with High Energy-Efficiency and Improved Gain. New York: Springer, 2018.
Póvoa, Ricardo, N. Lourenço, R. Martins, A. Canelas, N. Horta, and J. Goes. "Single-Stage OTA biased by Voltage-Combiners with Enhanced Performance using Current Starving." IEEE Transactions on Circuits and Systems – II – Express Briefs (2018).
2017
Povoa, R., A. Canelas, R. Martins, N. Lourenco, N. Horta, and J. Goes A Dynamic Voltage-Combiners Biased OTA for Low-Power and High-Speed SC Circuits. 13th Conference on PhD Research in Microelectronics and Electronics, PRIME 2017. Taormina, Italy: IEEE, 2017.
Póvoa, Ricardo, Nuno Lourenco, Ricardo Martins, Antonio Canelas, Nuno Horta, and João Goes. "Single-Stage Amplifier biased by Voltage-Combiners with Gain and Energy-Efficiency Enhancement." IEEE Transactions on Circuits and Systems II: Express Briefs. 65.3 (2017): 266-270.
Nowacki, Błażej, Nuno Paulino, and João Goes. "A Third-Order MASH ΣΔ Modulator Using Passive Integrators." IEEE Transactions on Circuits and Systems I: Regular Papers. 64.11 (2017): 2871-2883.
Pereira, Nuno, Hugo Serra, and João Goes A two-step radio receiver architecture fully embedded into a charge-sharing SAR ADC. IEEE International Symposium on Circuits and Systems (ISCAS’17). Baltimore, USA: IEEE, 2017.
2016
Nowacki, Blazej, Nuno Paulino, and João Goes A 1V 77dB-DR 72dB-SNDR 10MHz-BW 2-1 MASH CT ΣΔM. IEEE International Solid-State Circuits Conference (ISSCC’16). San Francisco, USA: IEEE, 2016.
Śniatała, Paweł, Andrzej Handkiewicz, João Goes, Nuno Paulino, and João Pedro Oliveira Fully differential sigma-delta modulator structure for current-mode sensors. International Conference on Signals and Electronic Systems (ICSES’16). Krakow, Poland: IEEE, 2016.
Oliveira, Luis B., Nuno Paulino, João Oliveira, Rui Santos-Tavares, Nuno Pereira, and João Goes. "Undergraduate Electronics Projects Based on the Design of an Optical Wireless Audio Transmission System." IEEE Transactions on Education. 60.2 (2016): 105-111.
2015
de Melo, J. L. A., F. Querido, N. Paulino, and J. Goes A 0.4-V 410-nW opamp-less continuous-time ΣΔ modulator for biomedical applications. IEEE International Symposium on Circuits and Systems (ISCAS’15),. Lisbon, Portugal: IEEE, 2015.
de Melo, João, Nuno Paulino, and João Goes A 0.7 V 256 μW ΔΣ modulator with passive RC integrators achieving 76 dB DR in 2 MHz BW. IEEE International Symposium on VLSI Circuits (VLSI'15). Kyoto, Japan: IEEE, 2015.
Śniatala, P., M. Naumowicz, A. Handkiewicz, S. Szczesny, J. L. A. de Melo, N. Paulino, and J. Goes. "Current mode sigma-delta modulator designed with the help of transistor’s size optimization tool." Bulletin of the Polish Academy of Sciences, Technical Sciences. 63.4 (2015).
Abdollahvand, S., N. Paulino, L. Gomes, and J. Goes A current-mode VCO-based amplifier-less 2nd-order ΔΣ modulator with over 85dB SNDR. IEEE International Symposium on Circuits and Systems (ISCAS’15). Lisbon, Portugal: IEEE, 2015.
de Melo, J. L. A., P. V. Leitão, J. Goes, and N. Paulino A simple class-D audio power amplifier using a passive CT ΣΔ modulator for medium quality sound systems. 22nd International Conference Mixed Design of Integrated Circuits & Systems (MIXDES’15). Torun, Poland: IEEE, 2015.
Povoa, R., N. Lourenco, N. Horta, and J. Goes A voltage-combiners-biased amplifier with enhanced gain and speed using current starving. IEEE International Symposium on Circuits and Systems (ISCAS’15). Lisbon, Portugal: IEEE, 2015.
2014
N., Pereira, Goes J., Rodrigues M., and Faria P. "A New Mismatch-Insensitive 1.5-Bit MDAC with Unity Feedback-Factor and Enhanced Performance." 21st IEEE International Conference on Electronics Circuits and Systems. Marseille, France: IEEE, 2014.
Goes, João, and Nuno Pereira. "Techniques for Low-Power, High-Speed, High Effective-Resolution Pipeline ADCs in Deep Nanoscale CMOS." High-Performance AD and DA Converters, IC Design in Scaled Technologies, and Time-Domain Signal Processing, Advances in Analog Circuit Design (AACD 2014). Ed. Springer. NY: Springer, 2014. 3-24.
2013
Serra, H., N. Paulino, and J. Goes A switched-capacitor biquad using a simple quasi-unity gain amplifier. IEEE International Symposium on Circuits and Systems (ISCAS'2013). Beijing, P. R. China: IEEE, 2013.
Pereira, N., L. B. Oliveira, and J. Goes Cascode Amplifiers with Low-Gain Variability Using Body-Biasing Temperature and Supply Compensation. 20th Int. Conf. Mixed Design of Integrated Circuits and Systems (MIXDES'2013). Gdynia, Poland: IEEE, 2013.