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Santin, E. and Oliveira, Luís B. and Nowacki, B. and Goes, João (2010) Fully Integrated and Reconfigurable Architecture for Coherent Self-Testing of IQ ADCs. [Paper]. In: IEEE International Symposium on Circuits and Systems, 30 de Maio a 2 de Junho, Paris, France. URL: http://dx.doi.org/10.1109/ISCAS.2010.5538009. (ISI Web of Science).

Custódio, J and Figueiredo, M and Santin, E and Goes, J. (2010) A CMOS Inverter-Based Self-biased Fully Differential Amplifier. [Paper]. In: Doctoral Conference on Computing, Electrical and Industrial Systems - DoCEIS'10, 22-24 February 2010, Caparica, Lisbon - Portugal. URL: http://dx.doi.org/10.1007/978-3-642-11628-5_60. (ISI Web of Science).

Figueiredo, M. and Santin, E. and Goes, J. and Santos-Tavares, R. and Evans, G. (2010) Two-stage fully-differential inverter-based self-biased CMOS amplifier with high efficiency. [Paper]. In: Proceedings of 2010 IEEE International Symposium on Circuits and Systems, May 30 2010-June 2 2010, Paris. URL: http://dx.doi.org/10.1109/ISCAS.2010.5536985. (ISI Web of Science).

Gama, R. and Galhardo, A. and Goes, João and Paulino, Nuno and Neves, R. and Horta, N. (2009) Design of a low-power, open loop, multiply-by-two amplifier with gain-accuracy improved by local-feedback. [Paper]. In: International Conference on Mixed Design of Integrated Circuits & Systems, 2009. MIXDES '09.. (ISI Web of Science).

Paulino, N. and Goes, J. and Steiger-Garcao, A. (2008) A CMOS variable width short-pulse generator circuit for UWB RADAR applications. [Paper]. In: 2008 IEEE International Symposium on Circuits and Systems, 18-21 May 2008, Seatle. URL: http://dx.doi.org/10.1109/ISCAS.2008.4542017. (ISI Web of Science, Citations: 1).

Figueiredo, M. and Paulino, N. and Evans, G. and Goes, J. (2008) New simple digital self-calibration technique for pipeline ADCs using the internal thermal noise. [Paper]. In: 2008 IEEE International Symposium on Circuits and Systems, 18-21 May 2008, Seattle, WA. URL: http://dx.doi.org/10.1109/ISCAS.2008.4541397. (ISI Web of Science).

Oliveira, J.P. and Goes, J. and Paulino, N. and Fernandes, J. and Paisana, J. (2008) A multiplying-by-two CMOS amplfifier for highspeed ADCs based on parametric amplification. [Paper]. In: 15th International Conference on Mixed Design of Integrated Circuits and Systems, 2008 (MIXDES '08), 19-21 Jun 2008, Poznan - Polónia. (ISI Web of Science).

Galhardo, A. and Goes, João and Paulino, Nuno (2007) Design of Improved Rail-to-Rail Low-Distortion and Low-Stress Switches in Advanced CMOS Technologies. [Paper]. In: ICECS 2007 - 14th IEEE International Conference on Electronic Circuits and Systems, Sept. 2007. (ISI Web of Science).

Oliveira, J.P. and Goes, João and Paulino, Nuno and Fernandes, J. (2007) Improved Low-Power Low-Voltage CMOS Comparator for 4-Bit Flash ADCS for UWB Applications. [Paper]. In: 14th International Conference on Mixed Design of Integrated Circuits and Systems, 2007. MIXDES '07, 21-23 June 2007, Ciechocinek, Poland. (ISI Web of Science).

Oliveira, J.P. and Goes, João and Bruno, Esperança and Paulino, Nuno and Fernandes, J. (2007) Low-Power CMOS Comparator with Embedded Amplification for Ultra-high-speed ADCs. [Paper]. In: IEEE International Symposium on Circuits and Systems, 2007. ISCAS 2007, 27-30 May 2007, New Orleans, LA. (ISI Web of Science).

Goes, J. and Pereira, J. and Paulino, N. and Medeiros-Silva, M. (2007) Switched-Capacitor Multiply-By-Two Amplifier Insensitive to Component Mismatches. IEEE Transactions on Circuits and Systems II: Express Briefs, 54 (1), pp. 29-33. ISSN 1549-7747. URL: http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?pun.... (ISI Web of Science, Citations: 4).

Santos-Tavares, Rui and Paulino, Nuno and Goes, João and Oliveira, J.P. (2006) Optimum Sizing and Compensation of Two-Stage CMOS Amplifiers Based On a Time-Domain Approach. [Paper]. In: IEEE International Conference on Electronics, Circuits and Systems, 10-13 de Dezembro de 2006, France. (ISI Web of Science).

Galhardo, A. and Goes, João and Paulino, Nuno (2006) Novel Linearization Technique for Low-Distortion High-Swing CMOS Switches with Improved Reliability. [Paper]. In: IEEE International Symposium on Circuits and Systems, Isle of Kos, Greece. (ISI Web of Science, Citations: 1).

Evans, Guiomar and Goes, João and Paulino, Nuno (2005) On-Chip Built-in Self-Test of Video-Rate ADCs Using Gaussian Noise. [Paper]. In: IEEE International Symposium on Circuits and Systems, Kobe, Japan. (ISI Web of Science).

Goes, João and Vaz, Bruno and Paulino, Nuno and Pinto, H. and Monteiro, R. and Steiger-Garção, Adolfo (2005) Switched-Capacitor Circuits using a Single-Phase Scheme. [Paper]. In: IEEE International Symposium on Circuits and Systems, Kobe, Japan. (ISI Web of Science).

Tavares, Rui and Goes, João and Paulino, Nuno and Vaz, Bruno and Steiger-Garção, Adolfo (2003) Design and Optimization of Low-Voltage Two-Stage CMOS Amplifiers with Enhanced Performance. [Paper]. In: IEEE International Symposium on Circuits and Systems, Bangkok, Thailand. (ISI Web of Science).

Paulino, Nuno and Serrazina, Marco and Goes, João and Steiger-Garção, Adolfo (2003) Design of a Digitally Programmable Delay-Locked Loop for a Low-Cost Ultra-Wide-Band Radar Receiver. [Paper]. In: IEEE International Symposium on Circuits and Systems, Bangkok, Bangkok, Thailand. (ISI Web of Science).

Unterweissacher, Martin and Goes, João and Paulino, Nuno and Evans, Guiomar and Ortigueira, Manuel (2003) Efficient Digital Self-Calibration of Video-Rate Pipeline ADCs using White Gaussian Noise. [Paper]. In: IEEE International Symposium on Circuits and Systems, Bangkok, Thailand. (ISI Web of Science).

Evans, Guiomar and Goes, João and Steiger-Garção, Adolfo and Ortigueira, MD and Paulino, Nuno and Sousa-Lopes, J. (2003) Low-voltage low-power CMOS analogue circuits for Gaussian and uniform noise generation. [Paper]. In: IEEE International Symposium on Circuits and Systems, MAY 25-28, 2003, Bangkok, Thailand. (ISI Web of Science).

Amaral, Pedro and Goes, João and Paulino, Nuno and Steiger-Garção, Adolfo (2002) An Improved Low-Voltage Low-Power CMOS Comparator to be used in High-Speed Pipeline ADCs. [Paper]. In: IEEE International Symposium on Circuits and Systems, Arizona, USA. (ISI Web of Science).

No

Figueiredo, M. and Goes, J. and Oliveira, LB and Steiger-Garção, A. (2011) Low voltage low power fully differential self-biased 1.5-bit quantizer with built-in thresholds. International Journal of Circuit Theory and Applications, n/a-n/a. ISSN 0098-9886. eISSN 1097-007X. URL: http://dx.doi.org/10.1002/cta.750.

Bastos, Ivan and Oliveira, Luís B. and Goes, João (2010) MOSFET-Only Wideband LNA with Noise Cancelling and Gain Optimization. [Paper]. In: IEEE 16th. International Conference on Mixed Design of Integrated Circuits and Systems, 24-26 June 2010, Warsaw.

Custodio, J. R. and Oliveira, J.P. and Oliveira, Luís B. and Goes, João and Bruun, Erik (2010) MOSFET-Only Mixer/IIR Filter with Gain using Parametric Amplification. [Paper]. In: IEEE International Symposium on Circuits and Systems, 30 de Maio a 2 de Junho, Paris, France.

Lopes, Bruno and Paulino, Nuno and Goes, João and Steiger-Garção, Adolfo (2010) Digitally Programmable Delay-Locked-Loop with Variable Charge Pump Current. [Paper]. In: IEEE 16th. International Conference on Mixed Design of Integrated Circuits and Systems, 24-26 June 2010, Warsaw.

Oliveira, J.P. and Goes, J. and Figueiredo, M. and Santin, E. and Fernandes, J. and Ferreira, J. (2010) An 8-bit 120-MS/s Interleaved CMOS Pipeline ADC Based on MOS Parametric Amplification. IEEE Transactions on Circuits and Systems II: Express Briefs, 57 (2), pp. 105-109. ISSN 1549-7747. eISSN 1558-3791. URL: http://dx.doi.org/10.1109/TCSII.2009.2038632.

Santin, E. and Figueiredo, M. and Tavares, R. and Goes, J. and Oliveira, L. (2010) Fast-settling low-power two-stage self-biased CMOS amplifier using feedforward-regulated cascode devices. [Paper]. In: 2010 17th IEEE International Conference on Electronics, Circuits and Systems, 12-15 Dec. 2010 , Athens. URL: http://dx.doi.org/10.1109/ICECS.2010.5724445.

Goes, J. and Paulino, N. and Figueiredo, M. and Santin, E. and Rodrigues, M. and Faria, P. and Vaz, B. and Monteiro, R. (2010) Purely-digital versus mixed-signal self-calibration techniques in high-resolution pipeline ADCs. [Paper]. In: NORCHIP 2010, 15-16 Nov. 2010, Tampere. URL: http://dx.doi.org/10.1109/NORCHIP.2010.5669424.

Custodio, J. R. and Oliveira, L. and Goes, J. and Oliveira, J.P. and Bruun, Erik and Andreani, Pietro (2010) A small-area self-biased wideband CMOS balun LNA with noise cancelling and gain enhancement. [Paper]. In: NORCHIP 2010, 15-16 Nov. 2010, Tampere. URL: http://dx.doi.org/10.1109/NORCHIP.2010.5669429.

Figueiredo, M. and Michalak, T. and Goes, J. and Gomes, L. and Sniatala, P. (2009) Improved clock-phase generator based on self-biased CMOS logic for time-interleaved SC circuits. [Paper]. In: Electronics, Circuits, and Systems, 2009. ICECS 2009. 16th IEEE International Conference on.

Galhardo, A. and Goes, J. and Paulino, N. (2009) Design of improved rail-to-rail low-distortion and low-stress switches in advanced CMOS technologies. Analog Integrated Circuits and Signal Processing. ISSN 0925-1030. eISSN 1573-1979. URL: http://dx.doi.org/10.1007/s10470-009-9357-z.

Goes, J. (2008) ADC Circuits for Biochemical Applications. In: Iniewski, K., (ed.). VLSI Circuits for Biomedical Applications. Artech House Publishers. ISBN 159693784X. eISBN 9781596937840.

Paulino, N. and Goes, J. and Steiger-Garção, A. (2008) Low Power Uwb Cmos Radar Sensors. Analog Circuits and Signal Processing . Springer Netherlands, Países Baixos. ISBN 978-1-4020-8409-6. eISBN 978-1-4020-8410-2. URL: http://dx.doi.org/10.1007/978-1-4020-8410-2.

Galhardo, A. and Goes, J. and Paulino, N. (2008) Low-power 6-bit 1-GS/s two-channel pipeline ADC with open-loop amplification using amplifiers with local-feedback. [Paper]. In: 2008 IEEE International Symposium on Circuits and Systems, 18-21 May 2008, Seattle, WA. URL: http://dx.doi.org/10.1109/ISCAS.2008.4541903.

Custodio, J. R. and Paulino, N. and Goes, J. and Bruun, Erik (2008) Multi-bit sigma-delta modulators with enhanced dynamic-range using non-linear DAC for hearing aids. [Paper]. In: 2008 15th IEEE International Conference on Electronics, Circuits and Systems, Aug. 31 2008-Sept. 3 2008, St. Julien's. URL: http://dx.doi.org/10.1109/ICECS.2008.4675051.

Oliveira, J.P. and Goes, J. and Paulino, N. and Fernandes, J. and Paisana, J. (2008) New low-power 1.5-bit time-interleaved MDAC based on MOS capacitor amplification. [Paper]. In: 15th IEEE International Conference on Electronic Circuits and Systems (ICECS'2008), 31 Aug 2008 - 3 Sep 2008, Malta.

Santos-Tavares, R. and Paulino, N. and Higino, J. and Goes, J. and Oliveira, J. P. (2008) Optimization of multi-stage amplifiers in deep-submicron CMOS using a distributed/parallel genetic algorithm. [Paper]. In: 2008 IEEE International Symposium on Circuits and Systems, 18-21 May 2008, Seattle, WA. URL: http://dx.doi.org/10.1109/ISCAS.2008.4541520.

Esperanca, B. and Goes, J. and Tavares, R. and Galhardo, A. and Paulino, N. and Medeiros Silva, M. (2008) Power-and-area efficient 14-bit 1.5 MSample/s two-stage algorithmic ADC based on a mismatch-insensitive MDAC. [Paper]. In: 2008 IEEE International Symposium on Circuits and Systems, 18-21 May 2008, Seattle, WA. URL: http://dx.doi.org/10.1109/ISCAS.2008.4541394.

Goes, João and Vaz, Bruno and Monteiro, R. and Paulino, Nuno (2006) A 0.9V SD Modulator with 80dB SNDR and 83dB DR Using a Single-Phase Technique. [Paper]. In: IEEE ISSCC’2006.

Evans, Guiomar and Goes, João and Paulino, Nuno (2006) Low-Voltage Low-Power Broadband CMOS Analogue Circuit for White Gaussian Noise Generation. JOLPE - Journal of Low Power Electronics.

Goes, João and Vaz, Bruno and Paulino, Nuno and Pinto, H. and Monteiro, R. and Steiger-Garção, Adolfo (2005) Low Power Low-Voltage CMOS A/D Sigma-Delta Modulator for Bio-Potential Signals Driven by a Single-Phase Scheme. IEEE Transactions on Circuits and Systems I: Regular Papers, 52 (12), pp. 2595-2604. ISSN 1057-7122.

Galhardo, A. and Goes, João and Vaz, Bruno and Paulino, Nuno (2005) Design of Low-Voltage Low-Power Pipeline ADCs using a Single-Phas Scheme. [Paper]. In: Fifth IEE International Conference na A/D and D/A Conversion Techniques and Their Applications, Ireland.

Vaz, Bruno and Goes, João and Paulino, Nuno and Steiger-Garção, Adolfo (2005) Design of a 1.8V, 10-bit 130+MS/s Time-Interleaved Non-Scaled Pipeline ADC in 0.18mm CMOS. [Paper]. In: Fifth IEE International Conference on A/D and D/A Conversion Techniques and Their Applications, Irlanda.

Vaz, Bruno and Goes, João and Piloto, R. and Neto, J. and Monteiro, R. and Paulino, Nuno (2005) A Low –Voltage 3 mW 10-bit 4MS/s Pipeline ADC in Digital CMOS for Sensor Interfacing. [Paper]. In: IEEE International Symposium on Circuits and Systems, Kobe, Japan.

Goes, João and Vaz, Bruno and Paulino, Nuno and Pinto, H. and Monteiro, R. and Steiger-Garção, Adolfo (2004) Low Power Low-Voltage CMOS A/D Switched-Opamp SD Modulator for Bio-Potential Signals using a Single-Phase Scheme. [Paper]. In: IEEE International Workshop on Biomedical Circuits and Systems, Singapore.

Vaz, Bruno and Goes, João and Paulino, Nuno (2004) A 1.5-V 10-b 50 MS/s Time-Interleaved Switched-Opamp Pipeline CMOS ADC with High Energy Efficiency. [Paper]. In: 2004 Symposium on VLSI Circuits, Honolulu.

Goes, J. and Vital, J.C. and Franca, J.E. (2003) Systematic Design for Optimisation of Popelined ADCs. The International Series in Engineering and Computer Science, 607 . springer. ISBN 978-0-7923-7291-2. eISBN 978-0-306-48193-2. URL: http://dx.doi.org/10.1007/b100749.

Goes, João and Paulino, Nuno and Ortigueira, Manuel (2002) A Digital-Domain Self-Calibration Technique for Video-Rate Pipeline A/D Converters Using Gaussian-White Noise. IEE Electronics Letters, 38 (19), pp. 1100-1101.

Paulino, Nuno and Rebelo, H. and Pires, F. and Neves, Isabel and Goes, João and Steiger-Garção, Adolfo (2002) Design of a Spiral-Mode Micro strip Antenna and Matching Circuitry for Ultra-Wide-Band Receivers. [Paper]. In: IEEE International Symposium on Circuits and Systems, 25-28 May 2002, Arizona, USA. URL: http://ieeexplore.ieee.org/search/selected.jsp?qry....

Vaz, Bruno and Paulino, Nuno and Goes, João and Tavares, Rui and Steiger-Garção, Adolfo (2002) Design of Low-Voltage CMOS Pipelined ADC’s using 1 pico-Joule of Energy per Conversion. [Paper]. In: IEEE International Symposium on Circuits and Systems, Arizona, USA.

Paulino, N. and Goes, J. and Steiger-Garcao, A. (2001) Design methodology for optimization of analog building blocks using genetic algorithms. [Paper]. In: ISCAS 2001. The 2001 IEEE International Symposium on Circuits and Systems (Cat. No.01CH37196), 06 May 2001-09 May 2001, Sydney, NSW. URL: http://dx.doi.org/10.1109/ISCAS.2001.922078.

Goes, J. and Vital, J.C. and Franca, J.E. (1998) Systematic design for optimization of high-speed self-calibrated pipelined A/D converters. IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing, 45 (12), pp. 1513-1526. ISSN 1057-7130. URL: http://dx.doi.org/10.1109/82.746663.

Miscelaneous

Lopes, Bruno and Paulino, Nuno and Goes, João and Steiger-Garção, Adolfo (2010) Outstanding Paper Award for the paper entitled “Digitally Programmable Delay-Locked-Loop with Variable Charge Pump current”. [Award].

Ferreira, João (2010) An High-Speed Parametric ADC and a Co-designed Mixer for CMOS RF Receivers. Goes, João and Oliveira, J.P. (supervisors). Masters thesis, FCT-UNL.

Águas, João (2009) Projecto e Realização de Sensores de Temperatura Analógicos e Digitais. Goes, João (supervisor). Masters thesis, FCT-UNL.

Baptista, Acácio (2009) Novel techniques for design and practical realization of switched-capacitor circuilts in eep-submicron CMOS technologies. Goes, João (supervisor). PhD thesis, FCT-UNL.

Pankiewicz, Pawel (2009) Design of a 2.5-bit flash quantizer for high-speed high-resolution pipeline ADC's. Goes, João and Figueiredo, Michael (supervisors). Masters thesis, FCT-UNL.

Michalak, Tomasz (2009) Systematic Design of multi-phase clock-generators for low-jitter edge-driven switching based on asynchronous machines for multi-channel time-interleaved ADC's. Goes, João and Gomes, Luís (supervisors). Masters thesis, FCT-UNL.

Martins, Hélio (2009) Image Retrieval Efficiency based on selected MPEG-7 descriptors. Fonseca, José and Goes, João (supervisors). Masters thesis, FCT-UNL.

Faleiro, Pedro (2009) Sistema de transmissão rádio UWB para amplificação digital de áudio com modulação sigma-delta. Goes, João (supervisor). Masters thesis, FCT-UNL.

Goes, João (2009) A 13b 80MS/s self-calibrated pipelined ADC. [Prototype].

Oliveira, J.P. and Goes, João (2009) A MOSFET-Only 1.2V 8-bit 120MS/s Time-Interleaved CMOS Pipeline ADC Fully Based on MOS Parametric Amplification. [Prototype].

Higino, José F. (2008) Sistema de Optimização de Amplificadores em Ambiente Distribuído. Goes, João (supervisor). Masters thesis, FCT-UNL.

Faria, Pedro (2008) Amplificador de ganho programável de 16-bits com característica sub-binária para aplicações espaciais. Goes, João (supervisor). Masters thesis, FCT-UNL.

Penetra, Nuno F. (2008) Conversor Flash de 3.5-bit com comparador estático para frequência de amostragem de 80 MS/s. Goes, João (supervisor). Masters thesis, FCT-UNL.

Esperança, Bruno (2007) Power and Area Efficient Algorithmic ADC based on a Mismatch-Insensitive MDAC. Goes, João (supervisor). Masters thesis, FCT-UNL.

Rodrigues, Marco (2007) Técnicas avançadas de auto-calibração de ACDs de elevado ritmo-de-conversão utilizando ruído gaussiano. Goes, João (supervisor). Masters thesis, FCT-UNL.

Goes, João (2007) A 1.2 V 14-bit 1.54MS/s 10mW Calibration-Free Pipeline ADC. [Prototype].

Oliveira, J.P. and Goes, João and Paulino, Nuno and Fernandes, J. and Paisana, J. (2007) Incomplete modeling when using MOS capacitor changing from inversion into depletion: A comparator design as an example. [Poster]. In: MOS-AK/ESSDERC/ESSCIRC workshop, September 2007, Munich - Germany.

Goes, João (2007) Ultra Low-Power Comparators using embedded amplification based on MOS capacitors changing from inversion into depletion. [Prototype].

Evans, Guiomar (2006) Geradores de Ruído Branco Gaussiano e Uniforme para a Realização de Teste e Calibração Automática de ADC'S em Circuitos Integrados CMOS. Goes, João (supervisor). PhD thesis, FC-UL – FCT-UNL.

Pinto, Hugo (2006) Modulador Delta-Sigma de baixo consumo e área reduzida para aplicações biomédicas utilizando técnicas de partilha e comutação de amplificadores. Goes, João (supervisor). Masters thesis, Faculdade de Ciências e Tecnologia/UNL.

EP. Goes, João (2006) A Novel Self-Calibration Technique for ADCs. EP 1 473 836.

Vaz, Bruno M. (2005) Conversores Analógico/Digital de Elevada Velocidade e Tensão de Alimentação Reduzida. Goes, João (supervisor). PhD thesis, FCT-UNL.

Goes, João (2005) A 0.9 V 200 uW 0.06mm2 Sigma-Delta Modulator for biomedical applications. [Prototype].

Goes, João (2004) 10-b 4MS/s Parallel Pipeline ADC for fingerprint sensors. [Prototype].

Goes, João (2004) First fully integrated CMOS UWB radar transceiver for medical imaging applications. [Prototype].

Unterweissacher, Martin (2003) A Digital-Domain Self-Calibration and On-Chip Self-Testing Technique for Pipeline A/D Converters using Gaussian-White-Noise. Goes, João and Soser, Peter (supervisors). Masters thesis, Universidade Técnica de Graz.

Goes, João (2003) 10-b 50MS/s Parallel Pipeline ADC. [Prototype].

Goes, João (2003) Gaussian and Uniform High-amplitude Broadband Noise Generators. [Prototype].