Creating and sharing knowledge for telecommunications
... Jose Carlos Esteves Duarte Pedro

Senior Researcher

José Pedro

Academic position: Full Professor
Joining date: 01-01-1995
Role in IT: Senior Researcher
Scientific Area: Wireless Communications
Group: Wireless Circuits – Av

Email: Send Email
Address: IT – Aveiro
Instituto de Telecomunicações
Campus Universitário de Santiago
P-3810-193 AVEIRO - PORTUGAL
Tel: +351 234 377 900
Fax: +351 234 377 901


Scientific Achievements

  • Agregação, Universidade de Aveiro, 25-03-2002
  • PhD, Universidade de Aveiro, 23-11-1993
  • RF and Wireless Circuits
  • Nonlinear Circuits
  • Nonlinear System Identification
  • IEEE, 01-01-1989,
  • Universidade de Aveiro, 01-10-1985, Full Professor
Lecture courses
  • Electrónica de Rádio-Frequência, , Lic. em Eng. Electrónica e Telecomunicações
  • Electrónica IV, , Lic. Engenharia Electrónica e Telecomunicações
  • Técnicas de Rádio Frequência, , M.Sc. em Eng. Electrónica e Telecomunicações
  • Circuitos Eléctricos e Electrónicos I, , Lic. Engenharia de Computadores e Telemática
  • Circuitos Eléctricos e Electrónicos II, , Lic. Eng. de Computadores e Telemática
  • Introdução á Electrónica Digital, , Lic. Eng. de Computadores e Telemática
  • Electrónica, Universidade de Aveiro, Licenciatura em Engenharia Física
  • Electrónica II, Universidade de Aveiro, Mestrado Integrado em Engenharia Electrónica e Telecomunicações
  • UC-I Module on Simulation of Nonlinear Electronic , Universidade de Aveiro, PhD Program on Electrical Engineering
  • Seminar Module on The Scientific Reasearch Meethod, , 1st Year of PhD Program on Electrical Engineering
  • Seminar on Scientific Research Methods, Universidade de Aveiro, PhD Programs on Electrical Engineering and Informatics Engineering
Supervision of theses
  • MSc Student6
  • Amplificador de RF Doherty Assimétrico de 2-Vias, MSc Student, Diogo Rafael Bento Barros, 03-2015
  • Modelação e Correção dos Efeitos de Memória Lenta em Transístores HEMT de GaN, MSc Student, Jose Miguel Gomes, 03-2015
  • Circuitos Electrónicos Baseados em Dispositivos Paramétricos, MSc Student, Filipe Miguel Esturrenho Barradas, 07-2012
  • Projecto de um Amplificador em Classe F e seu Desempenho em Sistemas de Transmissão Polares, MSc Student, Luis Cótimos Nunes, 12-2010
  • Modelação e Pre-Distorção de um Amplificador Doherty, MSc Student, Diogo Manuel Pereira dos Santos Dias, 11-2010
  • Amplificador Doherty para Comunicações Sem Fios, MSc Student, João Jorge Silva Sousa, 12-2009
  • PhD Student7
  • Amplificadores de Potência Auto-Oscilantes em Transmissores de Comunicações Sem Fios, PhD Student, Manuel Joaquim Campos Mendes Nunes Duarte , 09-2016
  • Multi-Standard Reconfigurable Wireless Transmitter Architectures, PhD Student, Sérgio Carlos da Conceição Pires , 03-2014
  • Nonlinear Behavioural Modelling of Mixed Signal RF-Digital I/O Devices, PhD Student, Hugo Miguel Santos Teixeira , 12-2013
  • Behavioural Modelling of High-Speed Digital Devices, PhD Student, Wael Dghais, 12-2013
  • Análise de Comportamentos Muli-Ritmo em Sistemas Electrónicos, PhD Student, Jorge dos Santos Freitas de Oliveira , 01-2010
  • On the Study of Impairments Caused By Nonlinearities on Wireless Systems, PhD Student, Pedro Miguel Ribeiro Lavrador , 05-2007
  • Nonlinear Modeling of Microwave and RF Power Devices , PhD Student, Pedro Miguel Silva Cabral , 12-2006
Co-Supervision of theses
  • MSc Student3
  • Frequency Characterization of Single Coil RF Relays, MSc Student, André Mariano Silva Ferreira , 07-2015
  • Amplificadores de Potência de Rádio Frequência Auto-Oscilantes, MSc Student, Manuel Joaquim Campos Mendes Nunes Duarte, 07-2011
  • Amplificador de Potência em Classe E para Comunicações Sem Fios, MSc Student, Igor Marany Mendes Fonseca, 11-2009
  • PhD Student1
  • Mecanismos de geração e controlo da distorção não-linear em amplificadores Doherty., PhD Student, Luis Carlos Cotimos Nunes , 12-2015
  • Research Grant2
  • Bolsa de Integração na Investigação - 2, Research Grant, Filipe Miguel Esturrenho Barradas, 09-2010
  • Bolsa de Integração na Investigação - 1, Research Grant, Manuel Joaquim Campos Mendes Nunes Duarte, 11-2009
  • 1Books
  • J. C. Pedro , N.B.C. Carvalho , Intermodulation in Microwave and Wireless Circuits , --- , Artech House , Norwood, MA, USA , 2003
    | BibTex
  • 5Books Chapters
  • J. C. Pedro , T.R. Cunha , Behavioral Models for Microwave Circuit Design , Chapter in , Microwave De-embedding: From Theory to Applications , D. Schreurs and G. Crupi , Elsevier Science 2014
  • J. C. Pedro , Behavioral Modeling of Microwave Transistors , Chapter in , Wiley Encyclopedia of Electrical and Electronics Engineering. , John Wiley & Sons, Inc. , John Wiley & Sons 2012
  • J. C. Pedro , Overview of Power Amplifier Modelling , Chapter in , RF Power Amplifier Behavioral Modeling , M. O’Droma, A. Goacher and M. Gadringer , CRC Press 2008
  • J. C. Pedro , N.B.C. Carvalho , Mixed Time and Frequency Domain Behavioral Modeling and Simulation , Chapter in , Fundamentals of Nonlinear Behavioral Modeling - Foundations and Applications , J. Wood and D. Root , Artech House , Norwood 2005
  • J. C. Pedro , Intermodulation , Chapter in , Wiley Encyclopedia of RF and Microwave Engineering , K. Chang , John Wiley & Sons , New York 2005
  • 70Papers in Journals
  • J. C. Pedro , L. N. Nunes , P. M. Cabral , A Simple Method to Estimate the Output Power and Efficiency Load-Pull Contours of Class B Power Amplifiers , IEEE Trans. on Microwave Theory and Tech. , Vol. 63 , No. 4 , pp. 1239 - 1249 , April 2015 | BibTex
  • F. B. Barradas , L. N. Nunes , J. C. Pedro , T.R. Cunha , P.M.L. Lavrador , P. M. Cabral , Accurate Linearization with Low-Complexity Models Using Cascaded Digital Predistortion Systems , IEEE Microwave Magazine , Vol. 16 , No. 1 , pp. 94 - 103 , February 2015 | BibTex
  • S. Pires , P. M. Cabral , J. C. Pedro , Radio frequency carrier amplitude-burst transmitters – from architecture to circuit , IET Microwaves Antennas & Propagation , Vol. 9 , No. 3 , pp. 271 - 280 , February 2015 | BibTex
  • H. Z. Zargar , A. B. Banai , J. C. Pedro , A New Double Input-Double Output Complex Envelope Amplifier Behavioral Model Taking Into Account Source and Load Mismatch Effects , IEEE Trans. on Microwave Theory and Tech. , Vol. 63 , No. 2 , pp. 766 - 774 , February , 2015
    | Abstract
    | BibTex
  • J A Aikio , T. R. Rahkonen , J. C. Pedro , Extraction of a Multi-Dimensional Polynomial Device Model for an Improved Distortion Contribution Analysis Technique , IEEE Trans. on Microwave Theory and Tech. , Vol. 63 , No. 1 , pp. 155 - 164 , January , 2015
    | Abstract
    | BibTex
  • F. B. Barradas , T.R. Cunha , P.M.L. Lavrador , J. C. Pedro , Polynomials and LUTs in PA behavioral modeling: a fair theoretical comparison , IEEE Trans. on Microwave Theory and Tech. , Vol. 62 , No. 12 , pp. 3274 - 3284 , December 2014 | BibTex
  • S. Pires , P. M. Cabral , J. C. Pedro , Envelope Modulator Selection for RF Carrier Phase-Burst Transmitters , IEEE Microwave Wireless and Components Letters , Vol. 24 , No. 9 , pp. 643 - 645 , September 2014 | BibTex
  • J. C. Pedro , T.R. Cunha , Predictable Behavior: Behavioral Modeling from Measured Data , IEEE Microwave Magazine , Vol. 15 , No. 6 , pp. 75 - 90 , September , 2014
    | Abstract
    | BibTex
  • M. D. Duarte , P. M. Cabral , J. C. Pedro , Switching Noise Improvement of a Limit-Cycle Amplifier Using a Negative Hysteresis Relay , IEEE Trans. on Power Electronics , Vol. 29 , No. 6 , pp. 3223 - 3231 , June 2014 | BibTex
  • L. N. Nunes , P. M. Cabral , J. C. Pedro , AM/AM and AM/PM Distortion Generation Mechanisms in Si LDMOS and GaN HEMT Based RF Power Amplifiers , IEEE Trans. on Microwave Theory and Tech. , Vol. 62 , No. 4 , pp. 799 - 809 , April 2014 | BibTex
  • M. J. D. Duarte , P. M. Cabral , J. C. Pedro , Switching Noise Improvement of a Limit-Cycle Amplifier Using a Negative Hysteresis Relay , IEEE Trans. on Power Electronics , Vol. 29 , No. 6 , pp. 3223 - 3231 , January 2014 | BibTex
  • D. Ferreira , J. F. Oliveira , J. C. Pedro , A novel time-domain CAD technique based on automatic time-slot division for the numerical simulation of highly nonlinear RF circuits , IEEE Trans. on Microwave Theory and Tech. , Vol. 62 , No. 1 , pp. 18 - 27 , January 2014 | BibTex
  • S.P. Pires , P. M. Cabral , J. C. Pedro , Envelope Modulator Selection for RF Carrier Phase-Burst Transmitters (accepted) , IEEE Microwave Wireless and Components Letters , Vol. 0 , No. 0 , pp. 0 - 0 , January , 2014
    | Abstract
    | BibTex
  • D. F. Ferreira , J. F. Oliveira , J. C. Pedro , A novel time-domain CAD technique based on automatic time-slot division for the numerical simulation of highly nonlinear RF circuits , IEEE Trans. on Microwave Theory and Tech. , Vol. 62 , No. 1 , pp. 18 - 27 , January 2014 | BibTex
  • W. Dghais Dghais , T.R. Cunha , J. C. Pedro , A Novel Two-Port Behavioral Model for I/O Buffer Overclocking Simulation , IEEE Trans. on Components, Packaging and Manufacturing Technology , Vol. -- , No. -- , pp. -- - -- , August 2013 | BibTex
  • H. Teixeira , W. Dghais Dghais , T.R. Cunha , J. C. Pedro , Measurement Setup for RF/Digital Buffers Characterization , IEEE Trans. on Instrumentation and Measurement , Vol. 62 , No. 7 , pp. 1892 - 1899 , July 2013 | BibTex
  • W. Dghais Dghais , H. Teixeira , T.R. Cunha , J. C. Pedro , Novel Extraction of a Table-Based I–Q Behavioral Model for High-Speed Digital Buffers/Drivers , IEEE Trans. on Components, Packaging and Manufacturing Technology , Vol. 3 , No. 3 , pp. 500 - 507 , March 2013 | BibTex
  • J. F. Oliveira , J. C. Pedro , Recent Developments on Hybrid Time-Frequency Numerical Simulation Techniques for RF and Microwave Applications , Journal of Function Spaces and Applications , Vol. 2013 , No. 578326 , pp. 1 - 11 , February , 2013
    | Abstract
    | BibTex
  • J. C. Pedro , P. M. Cabral , T.R. Cunha , P.M.L. Lavrador , A Multiple Time-Scale Power Amplifier Behavioral Model for Linearity and Efficiency Calculations , IEEE Trans. on Microwave Theory and Tech. , Vol. 61 , No. 1 , pp. 606 - 615 , January , 2013
    | Abstract
    | Full text (PDF 2 MBs) | BibTex
  • W. Dghais Dghais , T.R. Cunha , J. C. Pedro , Reduced-order parametric behavioral model for digital buffers/drivers with physical support , IEEE Trans. on Components, Packaging and Manufacturing Technology , Vol. 2 , No. 12 , pp. 1 - 10 , December 2012 | BibTex
  • J. F. Oliveira , J. C. Pedro , Radio frequency numerical simulation techniques based on multirate Runge-Kutta Schemes , Journal of Applied Mathematics , Vol. 2012 , No. 528045 , pp. 1 - 21 , February , 2012
    | Abstract
    | BibTex
  • E. Gonçalves Lima , T.R. Cunha , J. C. Pedro , A physically-meaningful neural network behavioral model for wireless transmitters exhibiting PM-AM/PM-PM distortions , IEEE Trans. on Microwave Theory and Tech. , Vol. 59 , No. 12 , pp. 3512 - 3521 , December 2011 | BibTex
  • I. S. Stievano , L. Rigazio , F. Canavero , T.R. Cunha , J. C. Pedro , H. Teixeira , A. Girardi , R. Izzi , F. Vitale , Behavioral modeling of IC memories from measured data , IEEE Trans. on Instrumentation and Measurement , Vol. 60 , No. 10 , pp. 3471 - 3479 , October 2011 | BibTex
  • T.R. Cunha , H. Teixeira , J. C. Pedro , I. S. Stievano , L. Rigazio , F. Canavero , R. Izzi , F. Vitale , A. Girardi , Validation by measurements of an IC modeling approach for SiP applications , IEEE Trans. on Components, Packaging and Manufacturing Technology , Vol. 1 , No. 8 , pp. 1214 - 1225 , August 2011 | BibTex
  • J. F. Oliveira , J. C. Pedro , Efficient RF circuit simulation using an innovative mixed time-frequency method , IEEE Trans. on Microwave Theory and Tech. , Vol. 58 , No. 4 , pp. 827 - 836 , April 2011 | BibTex
  • T.R. Cunha , E. Gonçalves Lima , J. C. Pedro , Validation and physical interpretation of the power amplifier polar Volterra model , IEEE Trans. on Microwave Theory and Tech. , Vol. 58 , No. 12 , pp. 4012 - 4021 , December 2010 | BibTex
  • P.M.L. Lavrador , T.R. Cunha , P. M. Cabral , J. C. Pedro , RF Power Amplification: Current Trends on the Linearity-Efficiency Compromise , IEEE Microwave Magazine , Vol. 11 , No. 5 , pp. 44 - 58 , August 2010 | BibTex
  • J. C. Pedro , From the Guest Editor’s Desk – Advanced Power Amplfier Technologies , IEEE Microwave Magazine , Vol. 11 , No. 5 , pp. 10 - 12 , August 2010 | Full text (PDF 643 KBs) | BibTex
  • T.R. Cunha , E. Gonçalves Lima , H. Teixeira , P. M. Cabral , J. C. Pedro , Deriving a Power Amplifier Linearizer from a Physics-based System-level Model , Intrnl. Journal of RF and Microwave Computer-Aided Engineering , Vol. 20 , No. 3 , pp. 321 - 332 , May 2010 | BibTex
  • P. M. Cabral , L. C. Cabria , F. Rodrigues , J. A. Garcia , J. C. Pedro , Wireless Transmitter Capabilities through Supply Modulation , Intrnl. Journal of RF and Microwave Computer-Aided Engineering , Vol. 20 , No. 2 , pp. 241 - 251 , March 2010 | BibTex
  • P. L. Gilabert Gilabert , P.M.L. Lavrador , J. C. Pedro , Improvements and Analysis of Nonlinear Parallel Behavioral Models , Intrnl. Journal of RF and Microwave Computer-Aided Engineering , Vol. 19 , No. 5 , pp. 615 - 626 , September 2009 | BibTex
  • J. A. Garcia , J. C. Pedro , P. M. Cabral , C. Fager , A. Zhu , P. Colantonio , Nonideality Sources and Implementation Considerations in Polar Transmitters , Intrnl. Journal of Microwave and Wireless Technologies , Vol. 1 , No. .. , pp. 109 - 116 , April 2009 | BibTex
  • J. F. Oliveira , J. C. Pedro , A multiple-line double multirate shooting technique for the simulation of heterogeneous RF circuits , IEEE Trans. on Microwave Theory and Tech. , Vol. 57 , No. 2 , pp. 421 - 429 , February 2009 | BibTex
  • N. A. Amar , J. A. Garcia , P. M. Cabral , J. C. Pedro , Accurately Characterizing the Vdd-to-AM and Vdd-to-PM Nonlinearities in a GaN HEMT Class E Power Amplifier , Intrnl. Journal of Microwave and Wireless Technologies , Vol. 3 , No. 3 , pp. 202 - 207 , July 2008 | BibTex
  • P. M. Cabral , J. C. Pedro , J. A. Garcia , Nonlinear Distortion Generation Mechanisms in Wireless Polar Transmitters , Intrnl. Journal of Microwave and Wireless Technologies , Vol. 3 , No. 3 , pp. 196 - 201 , July 2008 | BibTex
  • T.R. Cunha , J. C. Pedro , P. M. Cabral , Design of a power amplifier feed-forward RF model with physical knowledge considerations , IEEE Trans. on Microwave Theory and Tech. , Vol. 55 , No. 12 , pp. 2747 - 2756 , December 2007 | BibTex
  • J. C. Pedro , J. A. Garcia , P. M. Cabral , Nonlinear Distortion Analysis of Polar Transmitters , IEEE Trans. on Microwave Theory and Tech. , Vol. 55 , No. 12 , pp. 2757 - 2765 , December , 2007
    | Abstract
    | BibTex
  • J. F. Oliveira , J. C. Pedro , An efficient time-domain simulation method for multirate RF nonlinear circuits , IEEE Trans. on Microwave Theory and Tech. , Vol. 55 , No. 11 , pp. 2384 - 2392 , November 2007 | BibTex
  • J. Martins , N.B.C. Carvalho , J. C. Pedro , Intermodulation Distortion of Third-Order Nonlinear Systems With Memory Under Multisine Excitations , IEEE Trans. on Microwave Theory and Tech. , Vol. 55 , No. 6 , pp. 1264 - 1271 , June 2007 | BibTex
  • A. Zhu , J. C. Pedro , T.R. Cunha , Pruning the Volterra series for behavioral modeling of power amplifiers using physical knowledge , IEEE Trans. on Microwave Theory and Tech. , Vol. 55 , No. 5 , pp. 813 - 821 , May 2007 | BibTex
  • J. C. Pedro , Dynamic Deviation Reduction Based Volterra Behavioral Modeling of RF Power Amplifiers , IEEE Trans. on Microwave Theory and Tech. , Vol. 54 , No. 12 , pp. 4323 - 4332 , December 2006 | BibTex
  • J. Martins , P. M. Cabral , J. C. Pedro , N.B.C. Carvalho , A Metric for the Quantification of Memory Effects in Wireless Power Amplifiers , IEEE Trans. on Microwave Theory and Tech. , Vol. 54 , No. 12 , pp. 4432 - 4439 , December 2006 | BibTex
  • J. C. Pedro , J. P. M. Martins , Amplitude and Phase Characterization of Nonlinear Mixing Products , IEEE Trans. on Microwave Theory and Tech. , Vol. 54 , No. 8 , pp. 3237 - 3245 , August 2006 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , J. P. M. Martins , A corrected microwave multisine waveform generator , IEEE Trans. on Microwave Theory and Tech. , Vol. 54 , No. 6 , pp. 2659 - 2664 , June 2006 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , Nonlinear RF circuits and systems simulation when driven by several modulated signals , IEEE Trans. on Microwave Theory and Tech. , Vol. 54 , No. 2 , pp. 572 - 579 , February 2006 | BibTex
  • P. M. Cabral , J. C. Pedro , N.B.C. Carvalho , Modeling Nonlinear Memory Effects on the AM/AM, AM/PM and Two-Tone IMD in Microwave PA Circuits , Intrnl. Journal of RF and Microwave Computer-Aided Engineering , Vol. - , No. - , pp. - - - , January 2006 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , Load-impedance selection for maximized large-signal IMD sweet-spot effects , Intrnl. Journal of RF and Microwave Computer-Aided Engineering , Vol. 5 , No. 15 , pp. 434 - 440 , September 2005 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , Nonlinear simulation of mixers for assessing system-level performance , Intrnl. Journal of RF and Microwave Computer-Aided Engineering , Vol. 15 , No. 4 , pp. 350 - 361 , July 2005 | BibTex
  • J. C. Pedro , S. Maas , A Comparative Overview of Microwave and Wireless Power Amplifier Behavioral Modeling Approaches , IEEE Trans. on Microwave Theory and Tech. , Vol. 53 , No. 4 , pp. 1150 - 1163 , April 2005 | BibTex
  • G. Vendelin , J. C. Pedro , P. M. Cabral , Amplifier and Transistor Gains Revisited: GP, Av, Ai, Gm and Zm , Microwave Journal , Vol. .. , No. .. , pp. 80 - 92 , April 2005 | BibTex
  • P. M. Cabral , J. C. Pedro , N.B.C. Carvalho , A unified theory for nonlinear distortion characteristics in different amplifier technologies , Microwave Journal , Vol. , No. , pp. - , December 2004 | BibTex
  • P. M. Cabral , J. C. Pedro , N.B.C. Carvalho , Nonlinear device model of microwave power GaN HEMTs for high-power amplifier design , IEEE Trans. on Microwave Theory and Tech. , Vol. 52 , No. 11 , pp. 2585 - 2592 , November 2004 | BibTex
  • J. C. Pedro , N.B.C. Carvalho , An Integrated Overview of CAD/CAE Tools and Their Use on Wireless-Communication Circuit Design , Intrnl. Journal of RF and Microwave Computer-Aided Engineering , Vol. 14 , No. 6 , pp. 507 - 524 , October 2004 | BibTex
  • J. C. Pedro , N.B.C. Carvalho , C. Fager , J. A. Garcia , Linearity Versus Efficiency in Mobile Handset Power Amplifiers: A Battle Without a Loser , Microwave Engineering Europe , Vol. 0 , No. 0 , pp. 19 - 26 , August 2004 | BibTex
  • P.M.L. Lavrador , N.B.C. Carvalho , J. C. Pedro , Evaluation of signal-to-noise and distortion ratio degradation in nonlinear systems , IEEE Trans. on Microwave Theory and Tech. , Vol. 52 , No. 3 , pp. 813 - 822 , March 2004 | BibTex
  • C. Fager , J. C. Pedro , N.B.C. Carvalho , H. Zirath , F. Fortes , M. J. Rosário , 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 | BibTex
  • J. C. Pedro , N.B.C. Carvalho , Designing Multisine Excitations for Nonlinear Model Testing , IEEE Trans. on Microwave Theory and Tech. , Vol. 53 , No. 1 , pp. 45 - 54 , January 2004 | BibTex
  • J. C. Pedro , State-of-Art Nonlinear Electronic Design Automation Tools for Microwave/RF Circuit Analysis , Electrónica e Telecomunicações , Vol. 4 , No. 1 , pp. 5 - 14 , September 2003 | BibTex
  • P. M. Cabral , J. C. Pedro , N.B.C. Carvalho , Repetidor para o Sub-Sistema Rádio da Rede UMTS , Electrónica e Telecomunicações , Vol. 3 , No. 8 , pp. 785 - 789 , January 2003 | BibTex
  • J. C. Pedro , J. Madaleno , J. A. Garcia , Theoretical Basis for the Extraction of Mildly Nonlinear Behavioral Models , Intrnl. Journal of RF and Microwave Computer-Aided Engineering , Vol. 13 , No. 1 , pp. 40 - 53 , January 2003 | BibTex
  • J. C. Pedro , Prediction of IMD in LDMOS Transistor Amplifiers Using a New Large-Signal Model , IEEE Trans. on Microwave Theory and Tech. , Vol. 50 , No. 12 , pp. 2834 - 2842 , December 2002 | BibTex
  • C. Fager , P. Linnér , J. C. Pedro , Optimal Parameter Extraction and Uncertainty Estimation in Intrinsic FET Small-Signal Models , IEEE Trans. on Microwave Theory and Tech. , Vol. 50 , No. 12 , pp. 2797 - 2803 , December 2002 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , A Comprehensive Explanation of Distortion Side Band Asymmetries , IEEE Trans. on Microwave Theory and Tech. , Vol. 50 , No. 9 , pp. 2090 - 2101 , September 2002 | BibTex
  • J. C. Pedro , N.B.C. Carvalho , Characterizing Nonlinear RF Circuits for Their In-Band Signal Distortion , IEEE Trans. on Instrumentation and Measurement , Vol. 51 , No. 9 , pp. 420 - 426 , June 2002 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , Large and Small Signal IMD Behavior of Microwave Power Amplifiers , IEEE Trans. on Microwave Theory and Tech. , Vol. 47 , No. 12 , pp. 2364 - 2374 , December 1999 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , Compact Formulas to Relate ACPR and NPR to Two-Tone IMR and IP3 , Microwave Journal , Vol. 42 , No. 12 , pp. 0 - 0 , December 1999 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , Multi-tone Frequency Domain Simulation of Nonlinear Circuits in Large and Small Signal Regimes , IEEE Trans. on Microwave Theory and Tech. , Vol. 46 , No. 12 , pp. 2016 - 2024 , December 1998 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , Alternativa ao SPICE para Simulação do Estado Estacionário de Circuitos Não Lineares , Revista do Departamento de Electrónica e de Telecomunicações, Universidade de Aveiro , Vol. 1 , No. 7 , pp. 635 - 644 , January 1997 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , Estudo das Características de Distorção Não-Linear de Intermodulação de Desmoduladores de FM por PLL , Revista do Departamento de Electrónica e de Telecomunicações, Universidade de Aveiro , Vol. 1 , No. 5 , pp. 353 - 361 , January 1996 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , Projecto de Redes de Adaptação para Amplificadores de Banda Larga , Revista do Departamento de Electrónica e de Telecomunicações, Universidade de Aveiro , Vol. 1 , No. 4 , pp. 343 - 348 , September 1995 | BibTex
  • 131Papers in Conferences
  • J. C. Pedro , L. N. Nunes , P. M. Cabral , Soft compression and the origins of nonlinear behavior of GaN HEMTs , European Microwave Conf. - EMC , Roma , Italy , Vol. 1 , pp. 1297 - 1300 , October , 2014
    | Abstract
    | BibTex
  • L. N. Nunes , P. M. Cabral , J. C. Pedro , Study of the GaN HEMT Doherty Power Amplifier Distortion , IEEE International Microwave Theory and Tech. Symp. , Tampa Bay , United States , Vol. .. , pp. .. - .. , June 2014 | BibTex
  • F. B. Barradas , T.R. Cunha , P.M.L. Lavrador , J. C. Pedro , Higher locality non-linear basis functions of Volterra series based models to improve extraction conditioning , IEEE International Microwave Theory and Tech. Symp. , Tampa FL , United States , Vol. 1 , pp. 1 - 4 , June 2014 | BibTex
  • J. C. Pedro , L. N. Nunes , Efficiency dependence on the load-pull ratio of a Doherty PA , IEEE International Symp. on Microwave Theory and Tech. , Seatle , United States , Vol. 1 , pp. 1 - 4 , June , 2014
    | Abstract
    | BibTex
  • L. N. Nunes , P. M. Cabral , J. C. Pedro , Study of the GaN HEMT Doherty Power Amplifier Distortion , Integrated Non-linear Microwave and Millimetre-wave Circuits Conf. - INMMIC , leuven , Belgium , Vol. .. , pp. .. - .. , April 2014 | BibTex
  • M. D. Duarte , P. M. Cabral , J. C. Pedro , Modeling Efficiency of Carrier Amplitude Burst Wireless Transmitter Systems , Integrated Non-linear Microwave and Millimetre-wave Circuits Conf. - INMMIC , Leuven , Belgium , Vol. .. , pp. .. - .. , April 2014 | BibTex
  • F. B. Barradas , T.R. Cunha , P.M.L. Lavrador , J. C. Pedro , Using spline basis functions in Volterra series based models , International Workshop on Integrated Nonlinear Microwave and Millimeter-Wave Circuits - INMMIC , Leuven , Belgium , Vol. 1 , pp. 1 - 3 , April 2014 | BibTex
  • J. C. Pedro , L. N. Nunes , A Single-Ended Power Amplifier Behavioral Model for AM/AM and AM/PM Predictions , IEEE Topical Conf. on RF Power Amplifiers for Radio and Wireless Applications - PAWR , Newport Beach , United States , Vol. 1 , pp. 79 - 81 , January , 2014
    | Abstract
    | BibTex
  • H. Teixeira , T.R. Cunha , J. C. Pedro , Large signal characterization of high speed digital buffers for signal integrity analysis of software-defined-radio applications , European Microwave Week/European Microwave Conf. , Nuremberg , Germany , Vol. 1 , pp. 979 - 982 , October 2013 | BibTex
  • , P. M. Cabral , J. C. Pedro , A Physical Model of Power Amplifiers’ AM/AM and AM/PM Distortions and Their Internal Relationship , IEEE International Microwave Theory and Tech. Symp. , Seattle , United States , Vol. 1 , pp. 1 - 1 , June 2013 | BibTex
  • J. C. Pedro , P.M.L. Lavrador , A New Large-Signal Intermodulation and Spurious Analysis Tool , IEEE International Microwave Theory and Tech. Symp. , Seattle , United States , Vol. 1 , pp. 1 - 1 , June 2013 | BibTex
  • S.P. Pires , P. M. Cabral , J. C. Pedro , RF Carrier Phase-Burst Transmitter , IEEE International Microwave Theory and Tech. Symp. , Seattle , United States , Vol. 0 , pp. 1 - 4 , June 2013 | BibTex
  • W. Dghais Dghais , T.R. Cunha , J. C. Pedro , Behavioral Modeling Approaches for Digital I/O Buffers , Conf. on Telecommunications - ConfTele , Castelo Branco , Portugal , Vol. 1 , pp. 155 - 156 , May 2013 | BibTex
  • M. J. D. Duarte , P. M. Cabral , J. C. Pedro , Analysis and design of a limit-cycle amplifier taking into account the propagation delay of the relay , Conf. on Telecommunications - ConfTele , Castelo Branco , Portugal , Vol. 1 , pp. 85 - 88 , May , 2013
    | Abstract
    | BibTex
  • F. B. Barradas , P. M. Cabral , J. C. Pedro , A new model for the description of small- and large-signal behaviour of parametric amplifiers , Conf. on Telecommunications - ConfTele , Castelo Bramco , Portugal , Vol. .. , pp. .. - .. , May 2013 | BibTex
  • L. N. Nunes , P. M. Cabral , J. C. Pedro , A large-signal physical model of the AM/PM characteristic of a RF power amplifier , Conf. on Telecommunications - ConfTele , Castelo Bramco , Portugal , Vol. .. , pp. .. - .. , May 2013 | BibTex
  • S.P. Pires , P. M. Cabral , J. C. Pedro , High-Efficiency RF Transmitters: RF Carrier Amplitude-Burst , Conf. on Telecommunications - ConfTele , Castelo Branco , Portugal , Vol. 0 , pp. 1 - 4 , May 2013 | BibTex
  • S.P. Pires , P. M. Cabral , J. C. Pedro , Impact of the Amplifier-BandPass Reconstruction Filter Interaction on the Linearity of Carrier Amplitude-Burst Transmitters , IEEE Wireless and Microwave Technology Conf. - WAMICON , Florida , United States , Vol. 0 , pp. 1 - 4 , April 2013 | BibTex
  • J. C. Pedro , A Glimpse on Behavioral Modeling Technology for Microwave Transistors , IEEE Wireless and Microwave Technology Conf. - WAMICON , Orlando , United States , Vol. 1 , pp. 1 - 1 , April 2013 | BibTex
  • J. F. Oliveira , J. C. Pedro , An Innovative Algorithm for Circumventing Numerical Stiffness in Time-Domain Simulation of Strongly Nonlinear Multirate RF Circuits , European Microwave Integrated Circuits - EuMIC , Amsterdam , Netherlands , Vol. 1 , pp. 1 - 4 , October 2012 | BibTex
  • W. Dghais Dghais , T.R. Cunha , J. C. Pedro , A mixed-domain behavioral model’s extraction for digital I/O buffers , IEEE Conf. on Electrical Performance of Electronic Packaging and Systems - EPEPS , Tempe, Arizona , United States , Vol. 1 , pp. 1 - 4 , October 2012 | BibTex
  • M. J. D. Duarte , P. M. Cabral , J. C. Pedro , Bandwidth Improvement of a Limit-Cycle Amplifier Using a Novel Hysteretic Relay , Integrated Non-linear Microwave and Millimetre-wave Circuits Conf. - INMMIC , Dublin , Ireland , Vol. .. , pp. .. - .. , September 2012 | BibTex
  • S.P. Pires , P. M. Cabral , J. C. Pedro , A carrier-burst transmitter implementation: Design of bandpass filter and amplifier-BPF connection , International Workshop on Integrated Nonlinear Microwave and Millimeter-Wave Circuits - INMMIC , Dublin , Ireland , Vol. 0 , pp. 1 - 3 , September , 2012
    | Abstract
    | BibTex
  • J. C. Pedro , P. M. Cabral , T.R. Cunha , P.M.L. Lavrador , A New Power Amplifier Behavioral Model for Simultaneous Linearity and Efficiency Calculations , IEEE International Microwave Theory and Tech. Symp. , Quebec , Canada , Vol. 1 , pp. 00 - 00 , June , 2012
    | Abstract
    | Full text (PDF 793 KBs) | BibTex
  • W. Dghais Dghais , H. Teixeira , T.R. Cunha , J. C. Pedro , Efficient table-based I-Q behavioral model for high-speed digital buffers/drivers , IEEE Workshop on Signal Propagation on Interconnects - SPI , Sorrento , Italy , Vol. 1 , pp. 95 - 96 , May 2012 | BibTex
  • E. Gonçalves Lima , T.R. Cunha , J. C. Pedro , PM-AM/PM-PM distortions in wireless transmitter behavioral modeling , IEEE International Symp. on Microwave Theory and Tech. , Baltimore , United States , Vol. 1 , pp. 1 - 4 , June 2011 | BibTex
  • T.R. Cunha , P.M.L. Lavrador , E. Gonçalves Lima , J. C. Pedro , Rational function-based model with memory for power amplifier behavioral modeling , Integrated Non-linear Microwave and Millimetre-wave Circuits Conf. - INMMIC , Wien , Austria , Vol. 1 , pp. 1 - 4 , April 2011 | BibTex
  • J. F. Oliveira , J. C. Pedro , Advanced time-domain techniques for strongly nonlinear RF circuit simulation , EUROCON and CONFTELE 2011 , Lisbon , Portugal , Vol. 1 , pp. 1 - 4 , April 2011 | BibTex
  • R. Marante , J. A. Garcia , L. C. Cabria , P. M. Cabral , J. C. Pedro , Nonlinear Characterization Techniques for Improving Accuracy of GaN HEMT Model Predictions in RF Power Amplifiers , IEEE International Symp. on Microwave Theory and Tech. , Anaheim , United States , Vol. .. , pp. 1680 - 1683 , June 2010 | BibTex
  • J. F. Oliveira , J. C. Pedro , A new mixed time-frequency simulation method for nonlinear heterogeneous multirate RF Circuits , IEEE International Microwave Theory and Tech. Symp. , Anaheim , United States , Vol. 1 , pp. 48 - 51 , May 2010 | BibTex
  • T.R. Cunha , E. Gonçalves Lima , J. C. Pedro , A Polar-oriented Volterra Model for Power Amplifier Characterization , IEEE International Symp. on Microwave Theory and Tech. , Anaheim , United States , Vol. 1 , pp. 556 - 559 , May 2010 | BibTex
  • P.M.L. Lavrador , J. C. Pedro , A Volterra Series Model for the System Level Simulation of a Wide Range of Wireless RF Blocks , Integrated Non-linear Microwave and Millimetre-wave Circuits Conf. - INMMIC , Goteborg , Sweden , Vol. , pp. - , April , 2010
    | Abstract
    | BibTex
  • J. F. Oliveira , J. C. Pedro , An innovative time-domain simulation method for multirate RF circuit simulation , Integrated Non-linear Microwave and Millimetre-wave Circuits Conf. - INMMIC , Goteborg , Sweden , Vol. 1 , pp. 132 - 135 , April 2010 | BibTex
  • T.R. Cunha , E. Gonçalves Lima , H. Teixeira , P. M. Cabral , J. C. Pedro , A new predistorter model based on power amplifier physical knowledge , Integrated Non-linear Microwave and Millimetre-wave Circuits Conf. - INMMIC , Gothenburg , Sweden , Vol. 1 , pp. 140 - 143 , April 2010 | BibTex
  • T.R. Cunha , J. C. Pedro , Behavioural model for high-speed digital buffer-driver , Integrated Non-linear Microwave and Millimetre-wave Circuits Conf. - INMMIC , Gothenburg , Sweden , Vol. 1 , pp. 110 - 113 , April 2010 | BibTex
  • P. M. Cabral , F. Rodrigues , L. C. Cabria , J. A. Garcia , J. C. Pedro , Speed Requirements of Supply Modulators used in Polar Architectures , Integrated Non-linear Microwave and Millimetre-wave Circuits Conf. - INMMIC , Goteborg , Sweden , Vol. .. , pp. 71 - 74 , April 2010 | BibTex
  • R. Marante , L. C. Cabria , P. M. Cabral , J. C. Pedro , J. A. Garcia , Temperature Dependent Memory Effects on a Drain Modulated GaN HEMT Power Amplifier , Integrated Non-linear Microwave and Millimetre-wave Circuits Conf. - INMMIC , Goteborg , Sweden , Vol. .. , pp. 75 - 78 , April 2010 | BibTex
  • W. Dghais Dghais , T.R. Cunha , J. C. Pedro , Behavioural model for high-speed digital buffer-driver , Integrated Non-linear Microwave and Millimetre-wave Circuits Conf. - INMMIC , Gothenburg , Sweden , Vol. 1 , pp. 110 - 113 , April 2010 | BibTex
  • P. M. Cabral , L. C. Cabria , J. A. Garcia , J. C. Pedro , Polar Transmitter Architecture Used in a Software Defined Radio Context , IEEE International Microwave Workshop Series on ''RF Front-ends for Software Defined and Cognitive Radio Solutions'' - IMWS , Aveiro , Portugal , Vol. .. , pp. .. - .. , February 2010 | BibTex
  • L. C. Cabria , P. M. Cabral , J. C. Pedro , J. A. Garcia , A Class E Power Amplifier Design for Drain Modulation under a High PAPR WiMAX Signal , IEEE International Microwave Workshop Series on ''RF Front-ends for Software Defined and Cognitive Radio Solutions'' - IMWS , Aveiro , Portugal , Vol. .. , pp. .. - .. , February 2010 | BibTex
  • L. C. Cabria , P. M. Cabral , J. A. Garcia , J. C. Pedro , Predistorsión Digital Selectiva en Transmisores Polares , Simposium Nacional de la URSI , Santander , Spain , Vol. CDROM , pp. .. - .. , September 2009 | BibTex
  • R. Marante , J. A. Garcia , P. M. Cabral , J. C. Pedro , Distorsión No lineal en un Transmisor Polar debida a la Característica Ron(VDD) del Dispositivo GaN HEMT , Simposium Nacional de la URSI , Santander , Spain , Vol. CDROM , pp. .. - .. , September 2009 | BibTex
  • E. Gonçalves Lima , T.R. Cunha , H. Teixeira , M. Pirola , J. C. Pedro , Base-Band Derived Volterra Series for Power Amplifier Modeling , IEEE International Microwave Theory and Tech. Symp. , Boston , United States , Vol. 1 , pp. 1361 - 1364 , June 2009 | BibTex
  • L. C. Cabria , J. A. Garcia , P. M. Cabral , J. C. Pedro , Taking Advantage of the Envelope Statistics on a Polar Transmitter Design , IST Mobile and Wireless Communications Summit , Santander , Spain , Vol. CDROM , pp. .. - .. , June 2009 | BibTex
  • I. S. Stievano , I. Maio , L. Rigazio , F. Canavero , R. Izzi , A. Girardi , T. Lessio , T.R. Cunha , H. Teixeira , J. C. Pedro , Characterization and modeling of the power delivery networks of memory chips , IEEE Workshop on Signal Propagation on Interconnects - SPI , Strasbourg , France , Vol. 1 , pp. 1 - 4 , May 2009 | BibTex
  • P. M. Cabral , L. C. Cabria , J. A. Garcia , J. C. Pedro , Polar Transmitter Pre-Distortion Technique Validated with 2.5G Mobile Communication Signals , Conf. on Telecommunications - ConfTele , Santa Maria da Feira , Portugal , Vol. .. , pp. 85 - 88 , May 2009 | BibTex
  • P. M. Cabral , J. C. Pedro , Bandwidth Requirements of Envelope Amplifiers for Polar Transmitters , Conf. on Telecommunications - ConfTele , Santa Maria da Feira , Portugal , Vol. .. , pp. 97 - 100 , May 2009 | BibTex
  • P.M.L. Lavrador , J. C. Pedro , Validation of a Behavioral Model based on Volterra Series with coefficients determined orthogonally , Conf. on Telecommunications - ConfTele , Feira , Portugal , Vol. - , pp. -- - -- , May , 2009
    | Abstract
    | BibTex
  • L. C. Cabria , P. M. Cabral , J. A. Garcia , J. C. Pedro , Linearization of a Polar Transmitter for EDGE applications , Integrated Non-linear Microwave and Millimetre-wave Circuits Conf. - INMMIC , Malaga , Spain , Vol. .. , pp. 115 - 118 , November 2008 | BibTex
  • P. M. Cabral , R. Marante , J. A. Garcia , J. C. Pedro , Impact of the ON Resistance Dependence with VDD on Polar Transmitter Residual Distortion , Integrated Non-linear Microwave and Millimetre-wave Circuits Conf. - INMMIC , Malaga , Spain , Vol. .. , pp. 123 - 126 , November 2008 | BibTex
  • J. F. Oliveira , J. C. Pedro , An innovative time-domain simulation technique for strongly nonlinear heterogeneous RF circuits operating in diverse time scales , European Microwave Conf. - EMC , Amsterdam , Netherlands , Vol. 1 , pp. 1557 - 1560 , October 2008 | BibTex
  • P. M. Cabral , J. C. Pedro , J. A. Garcia , L. C. Cabria , A Linearized Polar Transmitter for Wireless Applications , IEEE International Microwave Theory and Tech. Symp. , Atlanta , United States , Vol. .. , pp. 935 - 938 , June 2008 | BibTex
  • T.R. Cunha , J. C. Pedro , E. Gonçalves Lima , Low-pass equivalent feedback topology for power amplifier modeling , IEEE International Microwave Theory and Tech. Symp. , Atlanta , United States , Vol. 1 , pp. 1445 - 1448 , June 2008 | BibTex
  • A. Girardi , A. Conci , R. Izzi , T. Lessio , F. Canavero , I. S. Stievano , D. Hardisty , T.R. Cunha , J. C. Pedro , et. al. , MOCHA, MOdelling and CHAracterization for SiP – Signal and Power Integrity Analysis , IEEE Workshop on Signal Propagation on Interconnects - SPI , Avignon , France , Vol. 1 , pp. 1 - 2 , May 2008 | BibTex
  • P. M. Cabral , J. C. Pedro , J. A. Garcia , Intermodulation Distortion in Polar Transmitters , International Symp. on Microwave and Optical Technology - ISMOT , Rome , Italy , Vol. .. , pp. 299 - 302 , December 2007 | BibTex
  • J. A. Garcia , P. M. Cabral , J. C. Pedro , Characterizing the Vdd-to-AM and Vdd-to-PM Nonlinearities in a GaN HEMT Class E Power Amplifier , International Symp. on Microwave and Optical Technology - ISMOT , Rome , Italy , Vol. .. , pp. 375 - 378 , December 2007 | BibTex
  • J. A. Garcia , J. C. Pedro , P. M. Cabral , C. Fager , A. Zhu , Nonideality Sources and Implementation Considerations in Polar Transmitters , Target Days , Rome , Italy , Vol. .. , pp. 47 - 51 , December 2007 | BibTex
  • H. Teixeira , T.R. Cunha , J. C. Pedro , Volterra Predistorter Model for RF Power Amplifiers , International Symp. on Microwave and Optical Technology - ISMOT , Monte Porzio Catone , Italy , Vol. - , pp. - - - , December 2007 | BibTex
  • C. Fager , P.M.L. Lavrador , A. Zhu , J. C. Pedro , System Level Modelling of RF Power Amplifiers Based on Large-Signal Measurements , European Microwave Conf. - EMC , Munich , Germany , Vol. 1 , pp. 131 - 134 , October 2007 | BibTex
  • J. F. Oliveira , J. C. Pedro , A new time-domain simulation method for highly heterogeneous RF circuits , European Microwave Conf. - EMC , Munich , Germany , Vol. 1 , pp. 1161 - 1164 , October 2007 | BibTex
  • T.R. Cunha , J. C. Pedro , P. M. Cabral , A. Zhu , General nonlinear feed-forward RF model for power amplifiers , IEEE International Microwave Theory and Tech. Symp. , Honolulu , United States , Vol. , pp. 2027 - 2030 , June 2007 | BibTex
  • T.R. Cunha , P. M. Cabral , J. C. Pedro , Power amplifier feed-forward model derived from physical behavior , Conf. on Telecommunications - ConfTele , Peniche , Portugal , Vol. , pp. - , May 2007 | BibTex
  • J. C. Pedro , P. M. Cabral , J. A. Garcia , Nonlinear Distortion Analysis of Polar Transmitters , IEEE International Microwave Theory and Tech. Symp. , Honolulu , United States , Vol. 1 , pp. 957 - 960 , May 2007 | BibTex
  • P. M. Cabral , J. C. Pedro , N.B.C. Carvalho , GaN Model Robustness from an IMD point of view , Conf. on Telecommunications - ConfTele , Peniche , Portugal , Vol. .. , pp. 177 - 180 , May 2007 | BibTex
  • L. C. Cabria , J. A. Garcia , T.R. Cunha , A. Mediavilla , J. C. Pedro , Impact of PA Long Term Memory Effects in Spatial Derivative Superposition Systems , Target Days , Rome , Italy , Vol. 1 , pp. 1 - 4 , October 2006 | BibTex
  • J. C. Pedro , P.M.L. Lavrador , J. C. Pedro , A Frequency Domain Extraction Procedure of Low-Pass Equivalent Behavioural Models of Microwave PAs , European Microwave Conf. - EMC , Manchester , United Kingdom , Vol. 1 , pp. 253 - 256 , September 2006 | BibTex
  • P. M. Cabral , J. C. Pedro , N.B.C. Carvalho , Envelope Time Domain Characterization of Microwave Power Amplifiers , Mediterranean Microwave Symp. - MMS , Genova , Italy , Vol. .. , pp. 383 - 386 , September 2006 | BibTex
  • J. C. Pedro , P.M.L. Lavrador , N.B.C. Carvalho , A Formal Procedure for Microwave Power Amplifier Behavioral Modeling , IEEE International Symp. on Microwave Theory and Tech. , San Francisco , United States , Vol. 2 , pp. 848 - 851 , June 2006 | BibTex
  • J. P. M. Martins , N.B.C. Carvalho , J. C. Pedro , A Figure of Merit for the Evaluation of Long Term Memory Effects in RF Power Amplifiers , IEEE International Symp. on Microwave Theory and Tech. , San Francisco , United States , Vol. 1 , pp. 1109 - 1112 , June 2006 | BibTex
  • J. P. M. Martins , N.B.C. Carvalho , J. C. Pedro , Nonlinear Microwave System Characterization Based on Higher Order Statistics , ARFTG Conf. , San Francisco , United States , Vol. 1 , pp. ? - ? , June 2006 | BibTex
  • N.B.C. Carvalho , P. M. Cabral , J. C. Pedro , Modeling Strategies and Characterization Techniques for Microwave GaN Power Amplifiers , ESA Microwave Technology and Techniques Workshop: Enabling Future Space Systems , Noordwijk , Netherlands , Vol. 0 , pp. 0 - 0 , May 2006 | BibTex
  • J. P. M. Martins , N.B.C. Carvalho , J. C. Pedro , Practical Higher Order Statistics Signal Characterization , Integrated Non-linear Microwave and Millimetre-wave Circuits Conf. - INMMIC , Aveiro , Portugal , Vol. 1 , pp. ? - ? , January 2006 | BibTex
  • T.R. Cunha , J. C. Pedro , Short and Long-Term Memory Modelling via Generic FIR Filtering , Integrated Non-linear Microwave and Millimetre-wave Circuits Conf. - INMMIC , Aveiro , Portugal , Vol. 1 , pp. 146 - 149 , January 2006 | BibTex
  • P. M. Cabral , J. C. Pedro , N.B.C. Carvalho , Bias Networks Impact on the Dynamic AM/AM Contours in Microwave Power Amplifiers , Integrated Non-linear Microwave and Millimetre-wave Circuits Conf. - INMMIC , Aveiro , Portugal , Vol. .. , pp. .. - .. , January 2006 | BibTex
  • P.M.L. Lavrador , J. C. Pedro , N.B.C. Carvalho , A new method for the orthogonal extraction of the Volterra series coefficients , Integrated Non-linear Microwave and Millimetre-wave Circuits Conf. - INMMIC , Aveiro , Portugal , Vol. 1 , pp. 138 - 141 , January 2006 | BibTex
  • P. M. Cabral , J. C. Pedro , N.B.C. Carvalho , Dynamic AM-AM and AM-PM Behavior in Microwave PA Circuits , Asia Pacific Microwave Conf. - APMC , Suzhou , China , Vol. 4 , pp. 2386 - 2389 , December 2005 | BibTex
  • J. P. M. Martins , N.B.C. Carvalho , J. C. Pedro , Practical Multitone Amplitude and Phase Characterization , Asia Pacific Microwave Conf. - APMC , suzhou , China , Vol. 5 , pp. 3055 - 3058 , December 2005 | BibTex
  • P.M.L. Lavrador , J. C. Pedro , N.B.C. Carvalho , A new Volterra series based orthogonal behavioral model for power amplifiers , Asia Pacific Microwave Conf. - APMC , Suzhou , China , Vol. 1 , pp. - - - , December 2005 | BibTex
  • P.M.L. Lavrador , J. C. Pedro , N.B.C. Carvalho , A New Nonlinear Behavioral Model Extracted Orthogonally , Conf. on Design of Circuits and Integrated Systems , Lisbon , Portugal , Vol. - , pp. - - - , November 2005 | BibTex
  • P. M. Cabral , J. C. Pedro , N.B.C. Carvalho , Extraction Procedure and Validation of a Large-Signal Model for GaN HEMTs , Conf. on Design of Circuits and Integrated Systems , Lisboa , Portugal , Vol. - , pp. - - - , November 2005 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , Laboratory generation of multi-sines with pre-described statistics , European Microwave Conf. - EMC , Paris , France , Vol. 2 , pp. - - - , October 2005 | BibTex
  • J. C. Pedro , J. P. M. Martins , P. M. Cabral , New Method for Phase Characterization of Nonlinear Distortion Products , IEEE International Microwave Theory and Tech. Symp. , Long Beach , United States , Vol. CDROM , pp. 971 - 974 , June 2005 | BibTex
  • J. C. Pedro , N.B.C. Carvalho , Inferring Nonlinear Distortion Performance of Power Amplifiers Subject to Telecommunications Signals from Two-Tone Measurements , IEEE International Microwave Theory and Tech. Symp. , Long Beach , United States , Vol. CDROM , pp. 817 - 820 , June 2005 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , Simulation of Nonlinear RF Circuits Driven By Multi-carrier Modulated Signals , IEEE International Symp. on Microwave Theory and Tech. , Long Beach , United States , Vol. , pp. 1 - 2 , June 2005 | BibTex
  • C. Fager , J. C. Pedro , K. Andersson , A General Procedure for Extraction of Bias Dependent Dynamic Self Heating Model Parameters , IEEE International Microwave Theory and Tech. Symp. , Long Beach , United States , Vol. CDROM , pp. 1159 - 1162 , June 2005 | BibTex
  • J. C. Pedro , Nonlinear System Identification Activities Carried Out by the Microwaves/RF Electronics Group of IT – University of Aveiro , Conf. on Telecommunications - ConfTele , Tomar , Portugal , Vol. CDROM , pp. 0 - 0 , April 2005 | BibTex
  • P.M.L. Lavrador , J. C. Pedro , N.B.C. Carvalho , A New Nonlinear Quasi-Orthogonal Model Extracted in the Frequency Domain , Conf. on Telecommunications - ConfTele , Tomar , Portugal , Vol. - , pp. - - - , April 2005 | BibTex
  • P. M. Cabral , J. C. Pedro , N.B.C. Carvalho , Novel Explanation for Low Frequency High Linearity Characteristics on BJTs , Conf. on Telecommunications - ConfTele , Tomar , Portugal , Vol. - , pp. - - - , April 2005 | BibTex
  • P. M. Cabral , J. C. Pedro , N.B.C. Carvalho , Higly Linear GaN class AB power amplifier design , Asia Pacific Microwave Conf. - APMC , New Delhi , India , Vol. , pp. - , December 2004 | BibTex
  • J. C. Pedro , N.B.C. Carvalho , J. A. Garcia , Designing Highly-Linear Microwave Power Amplifiers Based on Large-Signal IMD Sweet-Spots , Asia Pacific Microwave Conf. - APMC , Delhi , India , Vol. CDROM , pp. - , December 2004 | BibTex
  • J. P. M. Martins , N.B.C. Carvalho , J. C. Pedro , Automatic Phase and Amplitude Characterization , Integrated Non-linear Microwave and Millimetre-wave Circuits Conf. - INMMIC , Rome , Italy , Vol. 1 , pp. ? - ? , December 2004 | BibTex
  • P. M. Cabral , J. C. Pedro , N.B.C. Carvalho , Modeling AM/AM and AM/PM conversions in microwave power amplifier circuits , Integrated Non-linear Microwave and Millimetre-wave Circuits Conf. - INMMIC , Rome , Italy , Vol. , pp. 139 - 142 , November 2004 | BibTex
  • C. Gómez , J. A. Garcia , J. C. Pedro , Describing Anomalous IMD in FETs Through an Appropriate Output Conductance Dispersion Modeling , Integrated Non-linear Microwave and Millimetre-wave Circuits Conf. - INMMIC , Rome , Italy , Vol. , pp. 0 - 0 , November 2004 | BibTex
  • P. M. Cabral , J. C. Pedro , N.B.C. Carvalho , Nonlinear model with AM/AM, AM/PM and IMD prediction capabilities for GaN HEMTs , International Workshop on Electronics and System Analysis - IWESA , Bilbao , Spain , Vol. , pp. - , October 2004 | BibTex
  • J. C. Pedro , N.B.C. Carvalho , Behavioural Modelling and Simulation of Microwave/Wireless Circuits and Sub-Systems , International Workshop on Electronics and System Analysis - IWESA , Bilbao , Spain , Vol. 1 , pp. 11 - 14 , October 2004 | BibTex
  • P. Colantonio , J. A. Garcia , F. Giannini , E. Limiti , E. Malaver , J. C. Pedro , High Linearity and Efficiency Microwave PAs , Gallium Arsenide Applications Symp. - GAAS , Amsterdam , Netherlands , Vol. 1 , pp. 183 - 186 , October 2004 | BibTex
  • C. Gómez , J. A. Garcia , J. C. Pedro , IMD Sweet-spot Control on Junction FET Devices , Gallium Arsenide Applications Symp. - GAAS , Amsterdam , Netherlands , Vol. 1 , pp. 561 - 564 , October 2004 | BibTex
  • P. M. Cabral , J. C. Pedro , N.B.C. Carvalho , New Nonlinear Device Model for Microwave Power GaN HEMTs , IEEE International Symp. on Microwave Theory and Tech. , Fort Worth , United States , Vol. 1 , pp. 51 - 54 , June 2004 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , Nonlinear Simulation of Mixers for Assessing System-Level Performance , IEEE International Microwave Theory and Tech. Symp. , Forth Worth , United States , Vol. 1 , pp. 1 - 1 , June 2004 | BibTex
  • J. C. Pedro , N.B.C. Carvalho , Designing Band-Pass Multisine Excitations for Microwave Behavioral Model Identification , IEEE International Microwave Theory and Tech. Symp. , Fort Worth , United States , Vol. 0 , pp. 791 - 794 , June 2004 | BibTex
  • J. C. Pedro , Nonlinear Behavioral Modeling of Microwave Systems – An Overview , ARFTG Conf. , Boulder , United States , Vol. 62nd ARFTG Conf. Workshop CDROM , pp. - - - , December 2003 | BibTex
  • J. C. Pedro , N.B.C. Carvalho , Statistics of Microwave Signals and Their Impact on the Response of Nonlinear Dynamic Systems , ARFTG Conf. , Boulder , United States , Vol. 62nd ARFTG Conference Dig. , pp. 143 - 153 , December 2003 | BibTex
  • P. M. Cabral , J. C. Pedro , N.B.C. Carvalho , An Integrated View of Nonlinear Distortion Phenomena in Various Power Amplifier Technologies , European Microwave Conf. - EMC , Munique , Germany , Vol. - , pp. 69 - 73 , October 2003 | BibTex
  • J. C. Pedro , N.B.C. Carvalho , P.M.L. Lavrador , Modeling Nonlinear Behavior of Band-Pass Memoryless and Dynamic Systems , IEEE International Symp. on Microwave Theory and Tech. , Philadelphia , United States , Vol. CD-ROM , pp. ---- - ---- , June 2003 | BibTex
  • J. C. Pedro , A Novel Simplified Analysis of Intermodulation Distortion in Diode Mixers , Conf. on Telecommunications - ConfTele , Aveiro , Portugal , Vol. --- , pp. 523 - 526 , June 2003 | BibTex
  • P. M. Cabral , J. C. Pedro , N.B.C. Carvalho , A Repeater Prototype for the UMTS Network Radio Sub-System , Conf. on Telecommunications - ConfTele , Aveiro , Portugal , Vol. - , pp. 277 - 280 , June 2003 | BibTex
  • J. C. Pedro , N.B.C. Carvalho , Mixed Time and Frequency Domain Behavioral Modeling and Simulation , Workshop on Fundamentals of Nonlinear Behavioral Modeling , Philadelphia , United States , Vol. 1 , pp. 1 - 1 , June 2003 | BibTex
  • J. P. M. Martins , N.B.C. Carvalho , J. C. Pedro , Post-Distortion Linearising Technique Applied to Mixers , Conf. on Telecommunications - ConfTele , Aveiro , Portugal , Vol. 1 , pp. 111 - 114 , June 2003 | BibTex
  • P.M.L. Lavrador , N.B.C. Carvalho , J. C. Pedro , Noise and distortion figure - an extension of noise figure definition for nonlinear devices , IEEE International Microwave Theory and Tech. Symp. , Philadelphia , United States , Vol. 3 , pp. 2137 - 2140 , June 2003 | BibTex
  • P.M.L. Lavrador , J. C. Pedro , N.B.C. Carvalho , Underlying Linear System Identification of Memoryless and Dynamic Nonlinear Systems , Conf. on Telecommunications - ConfTele , Aveiro , Portugal , Vol. - , pp. - - - , June 2003 | BibTex
  • J. C. Pedro , N.B.C. Carvalho , Simulation of RF Circuits Driven by Modulated Signals Without Bandwidth Constraints , IEEE International Symp. on Microwave Theory and Tech. , Seattle , United States , Vol. 3 , pp. 2173 - 2176 , June 2002 | BibTex
  • J. C. Pedro , Uncertainty Estimation and Optimal Extraction of Extrinsic FET Small Signal Model Parameters , IEEE International Symp. on Microwave Theory and Tech. , Seattle , United States , Vol. 2 , pp. 729 - 732 , June 2002 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , Intermodulation Distortion in LDMOS Transistor Amplifiers , IEEE International Symp. on Microwave Theory and Tech. , Seattle , United States , Vol. 1 , pp. 1 - 1 , June 2002 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , Novel Artificial Frequency Mapping Techniques for Multi-tone Simulation of Mixers , IEEE International Symp. on Microwave Theory and Tech. , Phoenix , United States , Vol. 1 , pp. 1 - 1 , May 2001 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , A Novel Measurement Standard for Nonlinear In-Band Distortion Characterization , ARFTG Conf. , Phoenix , United States , Vol. 1 , pp. 1 - 1 , May 2001 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , A Si LDMOS-Based UHF Power Amplifier , Conf. on Telecommunications - ConfTele , Figueira da Foz , Portugal , Vol. 1 , pp. 1 - 1 , April 2001 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , Multitone Simulation of Mixers , Conf. on Telecommunications - ConfTele , Figueira da Foz , Portugal , Vol. 1 , pp. 1 - 1 , April 2001 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , Two-Tone IMD Assymetry in Microwave Power Amplifiers , IEEE International Symp. on Microwave Theory and Tech. , Boston , United States , Vol. 1 , pp. 1 - 1 , June 2000 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , State-of-the-Art Simulation of Microwave Amplifier's Nonlinear Distortion , ARFTG Conf. , Malaga , Spain , Vol. 1 , pp. 1 - 1 , December 1999 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , Multi-Tone Intermodulation Distortion Performance of 3rd Order Microwave Circuits , IEEE International Symp. on Microwave Theory and Tech. , Anaheim , United States , Vol. 1 , pp. 763 - 766 , June 1999 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , Large Signal IMD Sweet Spots in Microwave Power Amplifiers , IEEE International Microwave Theory and Tech. Symp. , Anaheim , United States , Vol. 1 , pp. 517 - 520 , June 1999 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , Gain Compression or Expansion, Distortion and Other Large Signal Power Amplifier Related Phenomena , Conf. on Telecommunications - ConfTele , Sesimbra , Portugal , Vol. 1 , pp. 515 - 518 , April 1999 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , A New Active Device Model Approximation Suitable for a Nonlinear Frequency Domain Simulator , Conf. on Telecommunications - ConfTele , Sesimbra , Portugal , Vol. 1 , pp. 187 - 190 , April 1999 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , Non-Linear Circuit Simulation of Complex Spectra in the Frequency Domain , IEEE International Conf. on Electronics, Circuits and Systems , Lisboa , Portugal , Vol. 1 , pp. 129 - 132 , September 1998 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , A Fast Spectral Balance Method for Non-linear Circuit Simulation in the Frequency Domain , USNC/URSI National Radio Science Meeting , Bilbao , Spain , Vol. 1 , pp. 587 - 590 , June 1998 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , Simulation of Multi-Tone IMD Distortion and Spectral Regrowth Using Spectral Balance , IEEE International Symp. on Microwave Theory and Tech. , Baltimore , United States , Vol. 1 , pp. 729 - 732 , June 1998 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , Simulating Strong Nonlinear Microwave Circuits Driven By a Large Number of Input Tones , European Microwave Conf. - EMC , Jerusalem , Israel , Vol. 27 , pp. 820 - 825 , September 1997 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , Contribución de la No Linealidad Ids(Vgs,Vds) a la Distorsión de Intermodulación en Transistores MESFETs y HEMTs , USNC/URSI National Radio Science Meeting , Bilbao , Spain , Vol. 1 , pp. 15 - 18 , September 1997 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , Simulação de Circuitos Não-Lineares para Aplicação em Comunicações Móveis , Conf. on Telecommunications - ConfTele , Aveiro , Portugal , Vol. 1 , pp. 123 - 126 , April 1997 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , Simulação da Resposta Estacionária de Circuitos Não-Lineares de Rádio-Frequência - Estado da Arte 1996 - , Conf. on Telecommunications - ConfTele , Aveiro , Portugal , Vol. 1 , pp. 127 - 130 , April 1997 | BibTex
  • N.B.C. Carvalho , J. C. Pedro , Prediction of PLL Frequency Discriminator Non-Linear Distortion Using the Volterra Series Approach , IEEE International Symp. on Circuits and Systems - ISCAS , Atlanta , United States , Vol. 1 , pp. 229 - 232 , May 1996 | BibTex

Currently running projects1

Acronym Name Funding Agency Start date Ending date
VADONetC Simplified Volterra analysis for dynamical optical networks compensation IT/LA 01-06-2014 01-05-2016

Closed Projects15

Acronym Name Funding Agency Start date Ending date
AME Advanced Microelectronics Engineering ICEP 01-10-2002 22-10-2003
CoLTeMEPAI Compensation of Long Term Memory Effects in Power Amplifier Intermodulation Distortion FCT/POSC 01-03-2005 28-02-2008
DhPAM Doherty Power Amplifier Modeling Phase 1 (confidential) 01-09-2011 01-08-2013
DhPAM-2 Doherty Power Amplifier Modeling Phase 2 (confidential) 01-09-2013 01-08-2015
Digital_PAs Digital_PAs - Digital RF Power Amplifiers for Wireless Applications FCT/PTDC 01-01-2009 01-12-2011
DIPPAL Digital Predistortion for Power Amplifier Linearization IT/LA 01-01-2009 01-12-2010
LDMOSCA Low Distortion RF MOS Circuits Advances FCT/POCTI 01-01-2001 31-12-2002
MEGaN Model Extraction of GaN Transistors FCT/POCTI 01-01-2004 31-12-2005
MOCHA MOCHA - MOdelling and CHAracterization for SiP Signal and Power Integrity Analysis EU/FP7 01-01-2008 01-03-2010
ModEx Behavioral Model Extractor IT/LA 01-07-2005 30-06-2007
OALMT Optimização de Amplificadores Linearizados em Presença de Sinais Reais Multi-Tom CRUP 01-01-2003 31-12-2004
OPAMS Optimum Power Amplifiers for Modulated Signals FCT/POCTI 01-07-2002 30-06-2004
SOPAS Self-Oscillating Radio Frequency Power Amplifiers FCT/PTDC 01-02-2011 01-05-2013
SWIPA Switching Mode Power Amplifiers for Wireless Communications IT/LA 01-11-2008 01-11-2010
TARGET Top Amplifier Research Group in an European Team EU 01-01-2004 31-12-2006
  • Awards3
  • J. C. Pedro , IEEE Fellow Member , In January 2007 he was elected, by the Board of Directors of the IEEE, IEEE Fellow Member for his outstanding contributions to nonlinear distortion analysis of microwave devices and circuits. 01-01-2007
  • J. C. Pedro , C. Fager , P. Linnér , 2002 IEEE MTT-S Student Paper Contest - 1st Prize , Christian Fager, Pos-Graduate Student of Chalmers University, and working for a period at IT-Aveiro received the 1st Prize of the 2002 IEEE MTT-S Student Paper Contest with the paper C. Fager, P. Linnér and J. C. Pedro, “Uncertainty Estimation and Optimal Extraction of Extrinsic FET Small Signal Model Parameters”, 2002 IEEE Intern. Microwave Theory and Tech. Symposium Digest, pp.729-732, Seattle, Jun. 2002, granted by IEEE Microwave Theory and Tech. Society. 05-06-2002
  • N.B.C. Carvalho , J. C. Pedro , MTT Student Paper Contest (3rd Place) , Third place at the Student Paper Contest in the IEEE Microwave Theory and Techniques Symposium, Baltimore, USA 20-06-1998
  • Miscellaneous1
  • N.B.C. Carvalho , J. C. Pedro , Multi-tone Figures of Merit, Version 1, Software Package , Invited Talks , Multi-tone Figures of Merit, Version 1, Software Package 01-01-2000
  • Short Courses and Seminars3
  • J. C. Pedro , D. Root , Device Modeling for Nonlinear Circuit Simulation and Microwave Design , United States , Seattle 06-2013
  • J. C. Pedro , P. M. Cabral , T.R. Cunha , RF Power Amplifier and Wireless Transmitter Linearity: a Device and System Level Issue , United Kingdom , Manchester 10-2011
  • J. C. Pedro , T.R. Cunha , E. Gonçalves Lima , Power Amplifier Behavioral Modeling and Linearizer Identification Methods , United States , Boston 06-2009
  • 16Conference Committees
  • IEEE International Microwave Theory and Tech. Symp. , Technical Programme Committee 2014
  • IEEE International Microwave Theory and Tech. Symp. , Technical Programme Committee 2013
  • IEEE International Microwave Theory and Tech. Symp. , Technical Programme Committee 2012
  • IEEE International Microwave Theory and Tech. Symp. , Technical Programme Committee 2010
  • IEEE International Microwave Theory and Tech. Symp. , Technical Programme Committee 2009
  • IEEE International Microwave Theory and Tech. Symp. , Technical Programme Committee 2008
  • IEEE International Microwave Theory and Tech. Symp. , Technical Programme Committee 2007
  • Integrated Nonlinear Microwave and Millimitre-wave Circuits , Conference Chairman 2006
  • Integrated Nonlinear Microwave and Millimitre-wave Circuits , Technical Programme Committee 2006
  • IEEE International Microwave Theory and Tech. Symp. , Technical Programme Committee 2006
  • IEEE International Microwave Theory and Tech. Symp. , Technical Programme Committee 2005
  • Integrated Nonlinear Microwave and Millimitre-wave Circuits , Technical Programme Committee 2004
  • International Workshop on Electronics and System Analysis , Technical Programme Committee 2004
  • IEEE International Microwave Theory and Tech. Symp. , Technical Programme Committee 2004
  • IEEE International Microwave Theory and Tech. Symp. , Technical Programme Committee 2003
  • IEEE International Microwave Theory and Tech. Symp. , Technical Programme Committee 2002
  • 2Refereeing Journals
  • Intrnl. Journal of RF and Microwave Computer-Aided Engineering
    2013, 1 review(s); 2010, 1 review(s); 2007, 1 review(s);
  • IEEE Trans. on Microwave Theory and Tech.
    2013, 1 review(s); 2010, 1 review(s);
  • 2Refereeing Conferences
  • European Microwave Conf. - EMC
    2010, 1 review(s); 2007, 1 review(s);
  • IEEE International Symp. on Microwave Theory and Tech.
    2010, 1 review(s);