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Book Chapters [2] 

- Horta, N.H.; Leme, C.A.; J.E. Franca; "Automated High Level Synthesis of Data Conversion Systems" - Chapter in ANALOGUE-DIGITAL ASICs circuit techniques, design tools and applications, IEE - Peter Peregrinus , IEE Press, , 1991.

- Sanguino, J.; Mata; Abreu, A.Abreu; Sentieiro; "Work areas of manipulators - an improved algorithm" - Chapter in Robot Control - Theory and Applications, K. Warwick and A. Pugh, IEE Press, Exeter, England, 1988.

Papers in Journal [25] 

- Costa, V.C.; Santos, P. M.; Borges, B.; "Design Methologies for Integrated Inductor-Based Soft-Switching DC-DC Converters", i-ETC : ISEL Academic Journal of Electronics, Telecomunications and Computers, Vol. 2, No. 1, pp. id-17-1 - id-17-9, July, 2013.
Abstract | BibTex

- HJQ Quaresma; Santos, P. M.; Serra, A.C.; "An equivalent doping profile for CMOS substrate characterization", Solid State Electronics, Vol. -, No. -, pp. - - -, July, 2012.
Abstract | BibTex

- Costa, V.C.; Santos, P. M.; Borges, B.; "A design methodology for integrated inductor-based DC–DC converters", Microelectronics Journal, Vol. 43, No. 6, pp. 401 - 409, June, 2012.
Abstract | BibTex

- HJQ Quaresma; Santos, P. M.; Serra, A.C.; "Impact of temperature on substrate coupling in low-doped substrate", Electronics Letters, Vol. 47, No. 23, pp. 1273 - 1275, November, 2011.
Abstract | BibTex

- Mendes, L.M.; E. S. Pires Pires; Vaz, J.M.C.V.; Rosário, M. J.; P. B. Oliveira; J. A. Machado; "Automated Design of Microwave Discrete Tuning Differential Capacitance Circuits in Si Integrated Technologies", Microwave and Optical Tech. Letters, Vol. 52, No. 3, pp. 629 - 634, March, 2010.
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- Fortes, F.; R. Mahmoudi; A. Roermund; "RF Receiver Front End for 28.5GHz Applications on a 70GHz fT SiGe BiCMOS Process", Microwave and Optical Tech. Letters, Vol. 52, No. 3, pp. 736 - 740, March, 2010.
Abstract | BibTex

- E. S. Pires Pires; J. A. Machado; P. B. Oliveira; J. Boaventura Cunha Boaventura Cunha; Mendes, L.M.; "Particle Swarm Optimization with Fractional-Order Velocity", Journal of Nonlinear Dynamics and Chaos in Engineering Systems, Vol. --, No. --, pp. -- - --, January, 2010.
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- E. S. Pires Pires; Mendes, L.M.; P. B. Oliveira; J. A. Machado; Vaz, J.M.C.V.; Rosário, M. J.; "Design of Radio-Frequency Integrated CMOS Discrete Tuning Varactors Using the Particle Swarm Optimization Algorithm", Lectures Notes in Computer Science, Vol. --, No. 5518, pp. 1231 - 1239, June, 2009.
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- Mendes, L.M.; E. S. Pires Pires; P. B. Oliveira; J. A. Machado; N. M. Ferreira; Vaz, J.M.C.V.; Rosário, M. J.; "Design Optimization of Radio Frequency Discrete Tuning Varactors", Lectures Notes in Computer Science, Vol. --, No. 5484, pp. 343 - 352, April, 2009.
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- P. Limão-Vieira; D. D. Duflot; A. Giuliani; E. Vasekova; J.M.C. Lourenço; Santos, P. M.; S.V. Hoffmann; ; ; "Electronic State Spectroscopy of c-C5F8 Explored by Photoabsortion, Electron Impact, Photoelectron Spectroscopies and Ab Initio Calculations", Journal of Physical Chemistry A, Vol. 112, No. 13, pp. 2782 - 2793, April, 2008.
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- P. Limão-Vieira; E. Vasekova; A. Giuliani; J.M.C. Lourenço; Santos, P. M.; D. D. Duflot; S.V. Hoffmann; "Perfluorocyclobutane electronic state spectroscopy by high-resolution vacuum ultraviolet photoabsorption, electron impact, He I photoelectron spectroscopy, and ab initio calculations", Physical Review A, Vol. 76, No. 3, pp. 032509 -1 - 032509 -11, September, 2007.
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- S. Finco; Borges, B.; Santos, P. M.; "Smart Power Integrated Circuit Educational Tool", IEEE Trans. on Power Electronics, Vol. 22, No. 4, pp. 1290 - 1303, July, 2007.
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- Santos, P. M.; Costa, V.C.; Borges, B.; Lança, M.; "High-Voltage LDMOS Transistors Fully Compatible with a Deep Submicron 0.35 um CMOS Process", Microelectronics Journal, Vol. 38, No. 1, pp. 35 - 40, January, 2007.
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- Santos, P. M.; HJQ Quaresma; Silva, A.; Lança, M.; "High-Voltage NMOS design in fully implanted twin-well CMOS", Microelectronics Journal, Vol. 35, No. , pp. 723 - 730, September, 2004.
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- C. Fager; Pedro, J. C.; Carvalho, N.B.C.; H. Zirath; Fortes, F.; Rosário, M. J.; "A Comprehensive Analysis of IMD Behavior in RF CMOS Power Amplifiers", IEEE Journal of Solid-State Circuits, Vol. 39, No. 1, pp. 24 - 34, January, 2004.
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- Santos, P. M.; Simas, M. I. ; Lança, M.; "High Voltage Solutions in CMOS Technology", Microelectronics Journal, Vol. 33, No. 8, pp. 609 - 617, August, 2002.
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- R. Sorrentino; Costa Freire, J.; "Microwaves in Europe", IEEE Trans. on Microwave Theory and Tech., Vol. 50, No. 3, pp. 1056 - 1072, March, 2002.
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- Torres, J.P.A.T.; Costa Freire, J.; "Monolithic Transistors SPST Switch for L-Band", IEEE Trans. on Microwave Theory and Tech., Vol. 50, No. 1, pp. 51 - 56, January, 2002.
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- Fortes, F.; Rosário, M. J.; "A Second Harmonic Class F Power Amplifier in Standard CMOS Technology", IEEE Trans. on Microwave Theory and Tech., Vol. 49, No. 6, pp. 1216 - 1220, June, 2001.
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- Vaz, J.M.C.V.; Costa Freire, J.; "Millimeter-Wave Monolithic Power Amplifier for Mobile Broadband System", IEEE Trans. on Microwave Theory and Tech., Vol. 49, No. 6, pp. 1211 - 1215, June, 2001.
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- Santos, P. M.; Simas, M. I. ; Lança, M.; "CMOS Compatible HV Gate-Shifted LDD-NMOS", IEEE Trans. on Electron Devices, Vol. 48, No. 5, pp. 1013 - 1015, May, 2001.
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- K. K. Tan; G.M. Marques; Vaz, J.M.C.V.; Costa Freire, J.; "MMIC Lumped and Transversal Filter with LC Tuned Amplifiers", Microwave Engineering Europe, Vol. 1, No. 11, pp. 57 - 61, November, 1999.
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- Simas, M. I. ; Costa Freire, J.; "CAD Tools to Optimize Power MOSFETs Performance Using Channel Reverse Conduction", IEEE Trans. on Power Electronics, Vol. 9, No. 5, pp. 522 - 531, September, 1994.
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- Rosário, M. J.; Costa Freire, J.; "Desing os MESFET Mixers for Maximum Conversion Gain", IEEE Trans. on Microwave Theory and Tech., Vol. 38, No. 12, pp. 1972 - 1979, December, 1990.
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- Simas, M. I. ; Costa Freire, J.; M. S. Piedade; "Experimental Characterization of Power VDMOS Transistors in Commutation and Derived Model for CAD", IEEE Trans. on Power Electronics, Vol. 4, No. 3, pp. 371 - 378, July, 1989.
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Papers in Conference Proceedings [100] 

- P.G. Pereira; Pereira, M.; R.M.F. Alves; A.M.C. Costa; Vaz, J.M.C.V.; Leme, C.A.; "All-Digital Phase Locked Loop for Bluetooth Low Energy Transmitters", Proc Conf. on Design of Circuits and Integrated Systems, San Sebastian, Spain, Vol. 1, pp. 1 - 1, November, 2013.
Abstract | BibTex


- Pereira, M.; Vaz, J.M.C.V.; "A 20 dBm Fully Integrated Single Stage CMOS Power Amplifier with 40 dB Power Gain", Proc Conf. on Telecommunications - ConfTele, Castelo Branco, Portugal, Vol. 1, pp. 175 - 178, May, 2013.
Abstract | BibTex


- Assunção, M.; Costa Freire, J.; Santos, P. M.; "Lumped Model for CMOS Interconnections lines", Proc Conf. on Telecommunications - ConfTele, Castelo Branco, Portugal, Vol. 1, pp. 21 - 24, May, 2013.
Abstract | Full text (PDF 959KB) | BibTex


- V. Fialho; Fortes, F.; M. Vieira; "Local Oscillator Phase Noise Influence on Single Carrier and OFDM Modulations", Proc Doctoral Conf. on Computing, Electrical and Industrial Systems - DOCEIS, Monte de Caparica, Portugal, Vol. 1, pp. 1 - 1, April, 2013.
Abstract | BibTex


- Postolache, O.; Costa Freire, J.; Girão, P.M.; Dias Pereira, J. M.; "Smart Sensor Architecture for Vital Signs and Motor Activity Monitoring of Wheelchair’ Users ", Proc International Conf. on Sensing Technology - ICST, Kolkata, India, Vol. 1, pp. 1 - 6, December, 2012.
Abstract | BibTex


- V. Fialho; Fortes, F.; M. Vieira; "Test Setup for Error Vector Magnitude Measurement on WLAN Transceivers ", Proc IEEE International Conf. on Electronics, Circuits and Integrated Systems - ICECS, Sevila, Spain, Vol. 1, pp. 917 - 920, December, 2012.
Abstract | BibTex


- Marques, P.; A. Ferreira; Fortes, F.; S. P. Sampaio; "A LOW-COST BISTATIC PASSIVE RADAR DEMONSTRATOR", Proc NATO SET-177 Workshop on Passive Radar ECM, EPM Critical Aspects, Athens, Greece, Vol. 1, pp. tbd - tbd, October, 2012.
Abstract | BibTex


- V. Canosa; Pereira, M.; P. Gomes; Vaz, J.M.C.V.; Costa Freire, J.; "Fully Integrated Switched Dual-Band CMOS LNA for 802.11b/g WLAN and WiMAX applications", Proc European Microwave Integrated Circuits - EuMIC, Amsterdam, Netherlands, Vol. , pp. 397 - 400, October, 2012.
Abstract | BibTex


- V. Canosa; Pereira, M.; P. Gomes; Vaz, J.M.C.V.; Costa Freire, J.; "Fully integrated switched dual-band CMOS LNA for 802.11b/g WLAN and WiMAX applications", Proc European Microwave Integrated Circuits - EuMIC, Amsterdam, Netherlands, Vol. , pp. 397 - 400, October, 2012.
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- Pereira, M.; Vaz, J.M.C.V.; V. Canosa; "A 2.45 GHz 30 dBm Differential 0.18 μm CMOS Class-E Power Amplifier with 42% PAE", Proc Conf. on Design of Circuits and Integrated Systems, Albufeira, Portugal, Vol. , pp. 381 - 385, November, 2011.
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- Costa, V.C.; Santos, P. M.; Borges, B.; "Designing Soft-Switching DC-DC Converters in CMOS Technology", Proc CETC2011- Conf. on Electronics, Telecommunications and Computers , Lisboa, Portugal, Vol. 1, pp. ID59 - ID59, November, 2011.
Abstract | BibTex


- V. Canosa; Vaz, J.M.C.V.; Pereira, M.; "Switched Dual-band CMOS LNA for 802.11b/g WLAN and WiMAX Applications", Proc Conf. on Design of Circuits and Integrated Systems, Albufeira, Portugal, Vol. , pp. 235 - 240, November, 2011.
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- Azevedo, A.F.; Fortes, F.; Rosário, M. J.; "A 1.8V/5.2GHz WLAN CMOS RFIC Receiver", Proc EUROCON and CONFTELE 2011, Lisbon, Portugal, Vol. I, pp. 1 - 4, April, 2011.
Abstract | Full text (PDF 419KB) | BibTex


- R. F. Ribeiro Ribeiro; Mendes, L.M.; Vaz, J.M.C.V.; Rosário, M. J.; Costa Freire, J.; "A 130 nm CMOS LNA for 30 GHz Applications", Proc EUROCON and CONFTELE 2011, Lisbon, Portugal, Vol. --, pp. -- - --, April, 2011.
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- E. S. Pires Pires; Mendes, L.M.; P. B. Oliveira; J. A. Machado; Vaz, J.M.C.V.; Rosário, M. J.; "Maximin Spreading Algorithm", Proc IEEE World Congress on Computational Intelligence - WCCI, Barcelona, Spain, Vol. , pp. -- - --, July, 2010.
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- W. Deng Deng; Fortes, F.; E W Heijden; R. Mahmoudi; A. Roermund; "A 30GHz Integrated Time-Division Multiplexing Front-End for Phased-array Applications in SiGe", Proc Asian Solid-State Circuits - A-SSCC, Taipei, Taiwan, Vol. 1, pp. 265 - 268, November, 2009.
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- Azevedo, A.F.; Mendes, L.M.; V. Fialho; Vaz, J.M.C.V.; Fortes, F.; Rosário, M. J.; "A 1.8V/5GHz CMOS WLAN Low Noise Amplifier Integrated with Active BALUN", Proc Conf. on Telecommunications - ConfTele, Santa Maria da Feira, Portugal, Vol. n, pp. n - n, May, 2009.
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- Vaz, J.M.C.V.; V. Fialho; "A 2.4GHz CMOS Integer-N Phase-Locked Loop", Proc Conf. on Telecommunications - ConfTele, Santa Maria da Feira, Portugal, Vol. 0, pp. 0 - 0, May, 2009.
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- Costa, V.C.; Santos, P. M.; Borges, B.; "An Improved Design Method for Monolithic CMOS Quasi-Square-Wave DC-DC Converters", Proc Conf. on Telecommunications - ConfTele, Sta Maria Feira, Portugal, Vol. CD-ROM, pp. - , May, 2009.
Abstract | Full text (PDF 126KB) | BibTex


- Torres, J.P.A.T.; Costa Freire, J.; "SiGe MMICs with Spiral Inductors up to millimetre waves", Proc Conf. on Telecommunications - ConfTele, santa Maria da Feira, Portugal, Vol. 1, pp. 0 - 1, May, 2009.
Abstract | BibTex


- Fortes, F.; R. Mahmoudi; A. Roermund; "A 28.5GHz RF Receiver Front-End on a 70GHz fT SiGe BiCMOS Process", Proc Asia Pacific Microwave Conf. - APMC, Hong Kong, China, Vol. 1, pp. 1 - 1, December, 2008.
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- Azevedo, A.F.; Mendes, L.M.; Vaz, J.M.C.V.; Fortes, F.; Rosário, M. J.; "A 5GHz/1.8V CMOS Active Balun Integrated With LNA", Proc Asia Pacific Microwave Conf. - APMC, Hong Kong, China, Vol. na, pp. na - na, December, 2008.
Abstract | BibTex


- Azevedo, A.F.; Mendes, L.M.; Vaz, J.M.C.V.; Fortes, F.; Rosário, M. J.; "A 5GHz/1.8V Low Power CMOS Low-Noise Amplifier", Proc Asia Pacific Microwave Conf. - APMC, Hong Kong, China, Vol. 000, pp. 000 - 000, December, 2008.
Abstract | BibTex


- Mendes, L.M.; Vaz, J.M.C.V.; Rosário, M. J.; "A Low Power Low Phase Noise Wide Switched Tuned Band LC VCO for S Band Applications", Proc Asia Pacific Microwave Conf. - APMC, Hong Kong – Macau, Hong Kong, Vol. --, pp. -- - --, December, 2008.
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- Mendes, L.M.; E. S. Pires Pires; Vaz, J.M.C.V.; Rosário, M. J.; P. B. Oliveira; "Automated Synthesis Procedure of RF Discrete Tuning Differential Capacitance Circuits", Proc Asia Pacific Microwave Conf. - APMC, Hong Kong – Macau, Hong Kong, Vol. --, pp. -- - --, December, 2008.
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- Costa, V.C.; Santos, P. M.; Borges, B.; "Design Method for Monolithic DC-DC Converters Based on Losses Optimization of the Power Stage", Proc IEEE Asia Pacific Conf. on Circuits and Systems - APCCAS , Macau, Macau, Vol. 1, pp. 1872 - 1875, December, 2008.
Full text (PDF 306KB) | BibTex


- Torres, J.P.A.T.; Costa Freire, J.; "SiGe 30GHz active inductor based on cascode gyrator", Proc Asia Pacific Microwave Conf. - APMC, Hong kong, Hong Kong, Vol. C4-09, pp. no page - no page, December, 2008.
Abstract | BibTex


- Azevedo, A.F.; Mendes, L.M.; Vaz, J.M.C.V.; Fortes, F.; Rosário, M. J.; "A Low Power 1.8V/5GHz Monolithic Low-Noise Amplifier", Proc Jornadas de Engenharia de Electrónica e Telecomunicações e de Computadores do ISEL, Lisbon, Portugal, Vol. na, pp. na - na, November, 2008.
Abstract | BibTex


- Torres, J.P.A.T.; Costa Freire, J.; "Ku band voltage controlled oscillator on SiGe", Proc , Macau, China, Vol. 1, pp. 0 - 1, November, 2008.
Abstract | BibTex


- Costa, V.C.; Santos, P. M.; Borges, B.; "Método de Dimensionamento para Conversores CC-CC Monolíticos Baseado na Optimização das Perdas do Andar de Potência", Proc Jornadas de Engenharia de Telecomunicações e Computadores, Lisboa, Portugal, Vol. CD-ROM, pp. - , November, 2008.
Full text (PDF 260KB) | BibTex


- E. S. Pires Pires; Mendes, L.M.; P. B. Oliveira; Vaz, J.M.C.V.; Rosário, M. J.; "Single-Objective Pareto Front Optimization: Application to RF Circuit Design", Proc Genetic and Evolutionary Computation Conf. - GECCO, Atlanta, United States, Vol. --, pp. -- - --, July, 2008.
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- Torres, J.P.A.T.; Vaz, J.M.C.V.; Costa Freire, J.; "30GHz Amplifiers with 0.25ƒÝm SiGe BiCMOS", Proc IEEE International Conf. on Electronics, Circuits and Systems, marrakesh, Morocco, Vol. I, pp. 0 - 0, December, 2007.
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- Mendes, L.M.; E. S. Pires Pires; Vaz, J.M.C.V.; Rosário, M. J.; "A High-Performance Digitally Controlled LC Oscillator for Ku-Band Applications", Proc IEEE International Conf. on Electronics, Circuits and Systems, Marrakech, Morocco, Vol. --, pp. -- - --, December, 2007.
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- Azevedo, A.F.; Fortes, F.; Rosário, M. J.; "A New On-Chip CMOS Active Balun Integrated With LNA", Proc IEEE International Conf. on Electronics, Circuits and Integrated Systems - ICECS, Marrakesh, Morocco, Vol. na, pp. na - na, December, 2007.
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- Azevedo, A.F.; Fortes, F.; Vaz, J.M.C.V.; Rosário, M. J.; "A Wideband CMOS LNA Integrated with Balun and Linear Digital Gain Control", Proc IEEE International Conf. on Electronics, Circuits and Integrated Systems - ICECS, Marrakesh, Morocco, Vol. na, pp. na - na, December, 2007.
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- Mendes, L.M.; E. S. Pires Pires; Vaz, J.M.C.V.; Rosário, M. J.; "An Evolutionary Synthesis Algorithm to Design Optimum Performance CMOS RFSSCAs", Proc IEEE International Conf. on Electronics, Circuits and Systems, Marrakech, Morocco, Vol. --, pp. -- - --, December, 2007.
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- Torres, J.P.A.T.; Costa Freire, J.; "SiGe:C BiCMOS Monolithic Millimeter Wave Integrated Circuits", Proc Conf. on Design of Circuits and Integrated Systems, Sevilha, Spain, Vol. I, pp. 0 - 0, November, 2007.
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- E. S. Pires Pires; Mendes, L.M.; P. B. Oliveira; J. A. Machado; N. M. Ferreira; Vaz, J.M.C.V.; Rosário, M. J.; "Single-Objective MaxMin Sorting Scheme: Application to Radio Frequency Circuit Design", Proc International Conf. on Electrical Engineering, Coimbra, Portugal, Vol. --, pp. -- - --, November, 2007.
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- Azevedo, A.F.; Fortes, F.; Vaz, J.M.C.V.; Rosário, M. J.; "A 1.7V Wideband CMOS Low Noise Amplifier with Linear Digital Gain Control", Proc International Microwave and Optics Conf., Salvador BA, Brazil, Vol. na, pp. na - na, October, 2007.
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- Torres, J.P.A.T.; Costa Freire, J.; "Broad band Amplifier up to 30GHz with 0.25um SiGe technology", Proc International Microwave and Optoelectronics Conf. - IMOC, Salvador, Brazil, Vol. I, pp. 166 - 169, October, 2007.
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- Azevedo, A.F.; Fortes, F.; Rosário, M. J.; "Monolithic Active Balun Integrated with a 2.4 GHz Low-Noise Amplifier", Proc International Microwave and Optics Conf., Salvador BA, Brazil, Vol. na, pp. na - na, October, 2007.
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- Azevedo, A.F.; Fortes, F.; Rosário, M. J.; "A 2.4GHz CMOS Balun/LNA for IEEE 802.11b/g WLAN Transceiver", Proc IEEE International Conf. on Design and Technology of Integrated Systems in Nanoscale Era - DTIS, Rabat, Morocco, Vol. na, pp. na - na, September, 2007.
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- Azevedo, A.F.; Fortes, F.; Rosário, M. J.; "CMOS Active-Balun Integrated with Low-Noise Amplifier for IEEE 802.11b/g /2.4GHz WLAN Transceiver", Proc IEEE International Symp. on Personal, Indoor and Mobile Radio Commun - PIMRC , Athens, Greece, Vol. na, pp. na - na, September, 2007.
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- Mendes, L.M.; E. S. Pires Pires; Vaz, J.M.C.V.; Rosário, M. J.; "Automated Design of Radio-Frequency Single-Ended Switched Capacitor Arrays using Genetic Algorithms", Proc Midwest Symp. on Circuits and Systems, Montréal, Canada, Vol. --, pp. -- - --, August, 2007.
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- Azevedo, A.F.; Fortes, F.; Rosário, M. J.; "A 2.4GHz Monolithic Single-ended-Input/Differential-Output Low-Noise Amplifier ", Proc Conf. on Telecommunications - ConfTele, Peniche, Portugal, Vol. na, pp. na - na, May, 2007.
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- Torres, J.P.A.T.; Costa Freire, J.; "SiGe Inductorless Low Noise Amplifiers up to 30GHz", Proc Conf. on Telecommunications - ConfTele, LIsbon, Portugal, Vol. 1, pp. 133 - 136, May, 2007.
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- Mendes, L.M.; Vaz, J.M.C.V.; Rosário, M. J.; "Wide Tuning Band Low Phase Noise LC Voltage Controlled Oscillators Designed in Low Cost CMOS Technologies", Proc Conf. on Telecommunications - ConfTele, Peniche, Portugal, Vol. --, pp. -- - --, May, 2007.
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- Mendes, L.M.; Vaz, J.M.C.V.; Rosário, M. J.; "Performance of Si-Integrated Wide-Band Single-Ended Switched Capacitor Arrays", Proc IEEE International Conf. on Electronics, Circuits and Systems, Nice, France, Vol. --, pp. -- - --, December, 2006.
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- G. St´Aubyn; Vaz, J.M.C.V.; Costa Freire, J.; "Voltage Controlled Phase Shifters on CMOS Technology", Proc Asia Pacific Microwave Conf. - APMC, Yokohama, Japan, Vol. 1, pp. 1 - 1, December, 2006.
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- J.O. Oliveira; Vaz, J.M.C.V.; "A CAD Oriented Method for Monolithic LC VCO Design", Proc Conf. on Design of Circuits and Integrated Systems, Barcelona, Spain, Vol. 1, pp. 1 - 1, November, 2006.
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- Mendes, L.M.; Vaz, J.M.C.V.; Rosário, M. J.; "Modeling of CMOS or BiCMOS Ultra-Wide-Band Single-Ended Switched Capacitor Arrays", Proc Conf. on Design of Circuits and Integrated Systems, Barcelona, Spain, Vol. --, pp. -- - --, November, 2006.
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- Mendes, L.M.; Vaz, J.M.C.V.; Rosário, M. J.; "A Closed-Form Input Admittance Solution for RF and Microwave Switched Capacitor Arrays", Proc IEEE International Symp. on Circuits and Systems - ISCAS, San Juan, Puerto Rico, Vol. --, pp. -- - --, August, 2006.
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- HJQ Quaresma; Santos, P. M.; Serra, A.C.; E. Sicard; "A METHODOLOGY FOR EXTRACTING UNKNOWN INTEGRATED CIRCUIT PROCESS PARAMETERS", Proc IEEE International Conf. on Electronics, Circuits and Systems, Gammarth, Tunisia, Vol. 1, pp. 84 - 88, December, 2005.
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- Azevedo, A.F.; Fortes, F.; Rosário, M. J.; "Amplificador Monolítico CMOS para sinais a 1GHz, 3V com Ganho Controlado Digitalmente", Proc Jornadas de Engenharia de Electrónica e Telecomunicações e de Computadores do ISEL, Lisbon, Portugal, Vol. Na, pp. Na - Na, November, 2005.
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- Azevedo, A.F.; Fortes, F.; Rosário, M. J.; "Conversor Monolítico CMOS para 2.4GHz e 1.8V com Osciladores Integrados", Proc Jornadas de Engenharia de Electrónica e Telecomunicações e de Computadores do ISEL, Lisbon, Portugal, Vol. Na, pp. Na - Na, November, 2005.
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- Costa, V.C.; Santos, P. M.; Borges, B.; "Design Method for Integrated CMOS Quasi-Square-Wave DC-DC Converters", Proc Conf. on Design of Circuits and Integrated Systems, Lisboa, Portugal, Vol. CD-ROM, pp. - , November, 2005.
Full text (PDF 210KB) | BibTex


- Costa, V.C.; Santos, P. M.; Borges, B.; "Integração Monolítica de Conversores Comutados CC-CC de Comutação Suave : Soluções de Projecto e Simulações", Proc Jornadas de Engenharia de Telecomunicações e Computadores, Lisboa, Portugal, Vol. , pp. - , November, 2005.
Full text (PDF 161KB) | BibTex


- Caldeirinha, R.F.S.; Mendes, L.M.; B.F.C Gabriel; "Oscilador Local para Repetidores de UHF", Proc Jornadas de Engenharia de Telecomunicações e Computadores, Lisboa, Portugal, Vol. 1, pp. - , November, 2005.
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- Costa Freire, J.; Fortes, F.; R. Mahmoudi; A. Roermund; "SiGe Monolithic LNAs for LMDS", Proc Conf. on Design of Circuits and Integrated Systems, Lisboa, Portugal, Vol. abstracts, pp. 186 - 186, November, 2005.
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- Caldeirinha, R.F.S.; Mendes, L.M.; B.F.C Gabriel; "Sintonizador de Impedâncias para Optimização de amplificadores de Potência de Rádio", Proc Jornadas de Engenharia de Telecomunicações e Computadores, Lisboa, Portugal, Vol. 1, pp. - , November, 2005.
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- Mendes, L.M.; Vaz, J.M.C.V.; Rosário, M. J.; "Fully Integrated CMOS LC Voltage Controlled Oscillator for IEEE802.11a and HiperLAN2 WLAN Transceivers", Proc International Conf. on Electrical Engineering, Coimbra, Portugal, Vol. na, pp. na - na, October, 2005.
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- Fortes, F.; Costa Freire, J.; D. Leenaerts; R. Mahmoudi; A. Roermund; "A 28.5GHz Monolithic Cascode LNA with 70GHz fT SiGe HBTs", Proc European Solid-State Circuits, Grenoble, France, Vol. 1, pp. 93 - 96, September, 2005.
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- Caldeirinha, R.F.S.; Mendes, L.M.; B.F.C Gabriel; "A 1Hz Tuneable Local Oscillator for 450 to 900MHz Terrestrial Television Broadcasting Equipment", Proc Conf. on Telecommunications - ConfTele, Tomar, Portugal, Vol. 1, pp. - , April, 2005.
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- Azevedo, A.F.; Fortes, F.; Rosário, M. J.; "A 2.4GHz Monolithic CMOS Down-Conversion Image Rejection Mixer with Integrated Oscillators", Proc Conf. on Telecommunications - ConfTele, Tomar, Portugal, Vol. Na, pp. Na - Na, April, 2005.
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- Caldeirinha, R.F.S.; Mendes, L.M.; B.F.C Gabriel; "Automatic Gain Control for Terrestrial Television Broadcasting Repeaters", Proc Conf. on Telecommunications - ConfTele, Tomar, Portugal, Vol. 1, pp. - , April, 2005.
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- J. Bernardino; Vaz, J.M.C.V.; "High Q MMIC GaAs Active Filter for K Band Subsystems", Proc Conf. on Telecommunications - ConfTele, Tomar, Portugal, Vol. na, pp. na - na, April, 2005.
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- Costa, V.C.; Santos, P. M.; Borges, B.; "Soft-Switching DC-DC Converters for CMOS Integration", Proc Conf. on Telecommunications - ConfTele, Tomar, Portugal, Vol. CD-ROM, pp. - , April, 2005.
Full text (PDF 106KB) | BibTex


- A. S. Serafim; Pedro Pinto Pinto; Mendes, L.M.; Alves, L.N.A.; "Transceiver for an Unmanned Airborne Vehicle", Proc Conf. on Telecommunications - ConfTele, Tomar, Portugal, Vol. 1, pp. - - -, April, 2005.
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- Vaz, J.M.C.V.; Rosário, M. J.; Costa Freire, J.; "Low Cost Si MMIC Design for RF Front Ends", Proc Asia Pacific Microwave Conf. - APMC, New Delhi, India, Vol. , pp. 1 - 2, December, 2004.
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- Rosário, M. J.; Peixeiro, C.; S. Blaisot; P. Alleaume; J. Schrotg; T. Mueller; Costa Freire, J.; "Millimetre Wave Defected Ground Planar Filters on LTCC", Proc Asia Pacific Microwave Conf. - APMC, New Delhi, India, Vol. , pp. 818 - 819, December, 2004.
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- Costa Freire, J.; R. Mahmoudi; A. Roermund; "30GHz SiGe Monolithic LNA", Proc SPIE, Veldhoven, Netherlands, Vol. 1, pp. 115 - 119, November, 2004.
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- Rosário, M. J.; Peixeiro, C.; S. Blaisot; P. Alleaume; J. Schrotg; T. Mueller; Costa Freire, J.; "Design and Optimization of mmW Defect Ground Planar Filters on LTCC", Proc International Workshop on Microwave Filters, Toulouse, France, Vol. , pp. 110 - 112, September, 2004.
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- J.O. Oliveira; Vaz, J.M.C.V.; "Oscilador Sinusoidal LC em Tecnologia BiCMOS para 2.4GHz", Proc Workshop de Investigação e Desenvolvimento em Engenharia Electrotécnica e das Telecomunicações , Castelo Branco, Portugal, Vol. 1, pp. 1 - 1, February, 2004.
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- Faria, S.M.M.; Assunção, P.A.; Rodrigues, Nuno M. M. ; Mendes, L.M.; Lopes, C.; Ribeiro, C.; C. S. Silva; Pereira, J.; Alves, L.N.A.; P. C. Ventura; "Sistema de Controlo e Comunicações de uma Aeronave Não Tripulada - SkyGu@rdian", Proc Conf. da Engenharia - UBIEngenharias, Covilhã, Portugal, Vol. -, pp. - - -, November, 2003.
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- A. S. Serafim; Pedro Pinto Pinto; Mendes, L.M.; Alves, L.N.A.; "Sistema de Transmissão e Recepção de Dados via RF para o SKYGU@RDIAN", Proc Conf. da Engenharia - UBIEngenharias, Covilhã, Portugal, Vol. -, pp. - - -, November, 2003.
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- Rosário, M. J.; F. Le-Strat; P. Alleaume; Vaz, J.M.C.V.; J. Schrotg; T. Mueller; Costa Freire, J.; "Low Cost LTCC Filters for a 30GHz Satellite System", Proc European Microwave Conf. - EMC, Munique, Germany, Vol. 1, pp. 817 - 820, October, 2003.
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- Santos, P. M.; HJQ Quaresma; Silva, A.; Lança, M.; "Breakdown improvement and reliable driving of high-voltage NMOS fabricated in fully implanted CMOS", Proc European Power Electronics Conf. - EPE, Toulouse, France, Vol. CDROM, pp. p1 - p10, September, 2003.
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- Azevedo, A.F.; Rosário, M. J.; Costa Freire, J.; "CMOS Monolithic Wideband Image rejection Mixer With Polyphase Filters", Proc Brazilian Microwave and Optolectonic Symp., Iguazu Falls, Brazil, Vol. 2, pp. 815 - 818, September, 2003.
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- Santos, P. M.; HJQ Quaresma; Silva, A.; Lança, M.; "Design of High-Voltage devices in a fully implanted twin-well CMOS process", Proc European Solid-State Device Research Conf., Estoril, Portugal, Vol. 1, pp. 343 - 346, September, 2003.
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- Azevedo, A.F.; Fortes, F.; Rosário, M. J.; "A 1.9GHz Monolithic CMOS Up Conversion Mixer", Proc Conf. on Telecommunications - ConfTele, Aveiro, Portugal, Vol. 1, pp. 83 - 86, June, 2003.
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- J.O. Oliveira; Vaz, J.M.C.V.; "A 2.4GHz LC-tuned VCO in BiCMOS technology", Proc Conf. on Telecommunications - ConfTele, Aveiro, Portugal, Vol. 1, pp. 531 - 533, June, 2003.
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- Santos, P. M.; HJQ Quaresma; Silva, A.; Lança, M.; "High-Voltage NMOS in 0,5um CMOS Technology for fast switching applications", Proc IEEE International Symp. on Industrial Electronics - ISIE , Rio de janeiro, Brazil, Vol. CDROM, pp. - , June, 2003.
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- Fortes, F.; Azevedo, A.F.; Rosário, M. J.; "I-Q Monolithic Oscillator Design on Standard CMOS Technology", Proc Conf. on Telecommunications - ConfTele, Aveiro, Portugal, Vol. 1, pp. 13 - 16, June, 2003.
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- Azevedo, A.F.; Rosário, M. J.; Costa Freire, J.; "Understanding and Enhancing CMOS Monolithic Image-Rejection Mixers", Proc Asia Pacific Microwave Conf. - APMC, Kyoto, Japan, Vol. 2, pp. 2372 - 2376, November, 2002.
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- Azevedo, A.F.; Rosário, M. J.; Costa Freire, J.; "Effects of Mismatch on CMOS Monolithic Mixers Image Rejection", Proc IEEE International Symp. on Personal, Indoor and Mobile Radio Commun - PIMRC , Lisbon, Portugal, Vol. 5, pp. 2372 - 2376, September, 2002.
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- Santos, P. M.; Lança, M.; Simas, M. I. ; "High Voltage Solutions in Standard CMOS", Proc IEEE Power Electronics Specialists Conf. - PESC, Vancouver, Canada, Vol. 1, pp. 371 - 377, June, 2001.
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- Mendes, L.M.; Silva, H. A.; "Automatic Optical Power Control for Semiconductor Lasers", Proc Conf. on Telecommunications - ConfTele, Figueira da Foz, Portugal, Vol. 1, pp. 463 - 467, April, 2001.
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- Mendes, L.M.; Fernandes, T.R.; "Projecto e Construção de um Amplificador de Baixo Custo para Distribuição de Sinal SATV", Proc Encontro do Colégio de Electrotecnia da Ordem dos Engenheiros, Matosinhos, Portugal, Vol. 1, pp. 159 - 164, April, 2001.
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- Mendes, L.M.; Silva, H. A.; "SCM Optical Communication System Implementation without Optical Isolators", Proc Conf. on Telecommunications - ConfTele, Figueira da Foz, Portugal, Vol. 1, pp. 463 - 467, April, 2001.
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- Alves, L.N.A.; Mendes, L.M.; Lopes, C.; Fernandes, T.R.; Assunção, P.A.; Faria, S.M.M.; Rodrigues, Nuno M. M. ; Figueiredo, M.; "SimSAT – Desenvolvimento de Satélites de Baixa Altitude", Proc Encontro do Colégio de Electrotecnia da Ordem dos Engenheiros, Porto, Portugal, Vol. 0, pp. 0 - 0, April, 2001.
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- Azevedo, A.F.; Fortes, F.; Rosário, M. J.; "Circuitos RF CMOS de BaixaTensão para Comunicações Móveis", Proc Jornadas de Engenharia de Telecomunicações e Computadores, Lisbon, Portugal, Vol. 2, pp. 195 - 197, October, 1999.
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- Santos, P. M.; Simas, M. I. ; Lança, M.; "The Gate-Shifted LDD-NMOS", Proc European Power Electronics Conf. - EPE, Lausanne, Switzerland, Vol. CDROM, pp. - - -, September, 1999.
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- Azevedo, A.F.; Fortes, F.; Rosário, M. J.; "A 3.3V, 1.8GHz CMOS Down Conversion Image-Rejection Mixer", Proc Conf. on Telecommunications - ConfTele, Sesimbra, Portugal, Vol. 1, pp. 195 - 198, April, 1999.
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- Santos, P. M.; Simas, M. I. ; Lança, M.; "Fully CMOS Compatible Gate-Shifted LDD NMOS", Proc IEEE Industry Application Society Annual Meeting, St Louis, United States, Vol. 3, pp. 1119 - 1123, October, 1998.
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- Santos, P. M.; Simas, M. I. ; Lança, M.; "New Challenges Toward Smart Power", Proc European Power Electronics Conf. - EPE, Trondheim, Norway, Vol. 3, pp. 1 - 8, September, 1997.
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- Santos, P. M.; Simas, M. I. ; Lança, M.; "Smart Power in MOS Technologies – An Overview", Proc IEEE International Symp. on Industrial Electronics - ISIE , Guimarães, Portugal, Vol. 2, pp. 371 - 376, July, 1997.
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- Mendes, L.M.; Silva, H. A.; "Transmissor LASER e Receptor Óptico Sintonizado para um Sistema SCM em 2GHz", Proc Conf. on Telecommunications - ConfTele, Aveiro, Portugal, Vol. 1, pp. 309 - 312, April, 1997.
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- Santos, P. M.; S. Finco; Simas, M. I. ; Lança, M.; "Breakdown Voltage Improvement of Standard MOS Technologies Targeted at Smart Power", Proc IEEE Industry Application Society Annual Meeting, Orlando, United States, Vol. 2, pp. 937 - 945, October, 1995.
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- Santos, P. M.; S. Finco; Simas, M. I. ; Lança, M.; "2D Characterization and Optimization of a Basic Switching Cell Aimed at Smart Power", Proc IEEE Industry Application Society Annual Meeting, Denver, United States, Vol. 2, pp. 1161 - 1167, October, 1994.
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- Abreu, A.Abreu; Simas, M. I. ; Lança, M.; "Lança A new design aimed for regulation of High Power applications of Lasers", Proc International Conf. on Power Electronics and Motion Control EPE - PEMC, Warsaw, Poland, Vol. II, pp. 2201 - 2205, September, 1994.
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Project Reports [12] 

- Vaz, J.M.C.V.; "Scientific Progress Report", Instituto de Telecomunicações, PTDC/EEA-TEL/108450/2008, July, 2012.

- Vaz, J.M.C.V.; "RELATÓRIO DE PROGRESSO", Instituto de Telecomunicações, PTDC/EEA-ELC/64368/2006, December, 2009.
Full text (PDF 2218KB)

- Santos, P. M.; "Integration of high-frequency dc-dc converters in RF-CMOS SoC", Instituto de Telecomunicações, IT/LA/305/2005, January, 2008.

- Costa Freire, J.; Torres, J.P.A.T.; Fortes, F.; Mendes, L.M.; "SiGeM final report", Istituto de Telecomunicações, IT/LA/304/2005, May, 2008.
Abstract

- Santos, P. M.; "Integration of high-frequency dc-dc converters in RF CMOS SoC", Instituto de Telecomunicações, IT/LA/305/2005, January, 2007.

- Vaz, J.M.C.V.; "Aspectos sobre a simulação de circuitos integrados para RF", Instituto Superior Tecnico, , April, 2005.

- Santos, P. M.; "Mask configurable Intelligent Power Integrated Circuits - Applications", Instituto de Telecomunicações, POCTI/34424/ESE/2000, April, 2005.

- Vaz, J.M.C.V.; "MOSFET and HBT DC and AC Measurements and Simulation", Instituto Superior Técnico, AI-E/03, April, 2005.

- Rosário, M. J.; "Misturadores de RF Monolíticos", IST, , February, 2003.

- Vaz, J.M.C.V.; "Osciladores Sinusoidais Integrados Monolíticos", Instituto Superior Tecnico, , February, 2003.

- Rosário, M. J.; P. C. B. Brás; "Relatório sobre um amplificador de baixo ruído no âmbito do projecto LDMOSCA", IT, 34074/99 , September, 2003.

- Costa Freire, J.; "RF Systems", IT, , February, 2003.

Theses  

- J.P.A.T. Torres; "Circuitos Integrados Multifunções para transreceptores de alta-frequência", Instituto Superior tecnico, July, 2005.

- L.M. Mendes; "Estudo e Implementação de Sistemas Ópticos com Multicanalização por Sub-Portadora", FCTUC, July, 2002 .

- P. M. Santos; "High-Voltage Transistors in CMOS Technology", Instituto Superior Técnico, July, 2002 .

- A.F. Azevedo; "Misturador Monilítico de Banda-Larga com Rejeição de Imagem para DECT", Instituto Superior Técnico, April, 2002 .

- J.M.C.V. Vaz; "Amplificador de Potência em Classe A para Ondas Milimétricas", Instituto Superior Técnico, December, 1997.

- P. M. Santos; "Caracterisation and Optimisation of Switching Cells aimed at Smart Power", Instituto Superior Técnico / UTL, November, 1994 .

- J.P.A.T. Torres; "Técnicas de Projecto de Circuitos Monolíticos Lineares e não Lineares de microondas", Instituto Superior tecnico, September, 1993.

- M. J. Rosário; "Projecto Assistido por Computador de Misturadores com TECMES para Microondas", Instituto Superior Técnico, July, 1992 .

- J.M.C.V. Vaz; "Técnicas de Análise e Projecto de Osciladores de Microondas com MESFETs de GaAs", Instituto Superior Técnico, August, 1990.

- M. J. Rosário; "Circuitos de FI de um Receptor de Radiodifusão Directa Via-Satélite", Instituto Superior Técnico, October, 1986 .

- J. Costa Freire; " ''Caracterização Física de Transistores VVMOS de Potência", Instituto Superior Técnico, April, 1984 .


 
 
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