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Fábio Passos received the Ph.D. degree from the Universidad de Sevilla, Seville, Spain, in 2018. At the same time, he was conducting his work at the Instituto de Microelectrónica de Sevilla (IMSE-CNM), Seville, Spain. He has worked in several academic and industrial institutions, such as Analog Devices, Dialog Semiconductors, Renesas, SiliconGate , IMEC, Instituto de Telecomunicações and University of Barcelona. He has collaborated in several international research projects as part of the research team or as PI. He has received a Postdoctoral Marie Sklodowska-Curie Individual Fellowship from the European Commission in 2020 and is now an Invited Assistant Professor at NOVA University and a Assistant Researcher at Instituto Superior Técnico. He was a recipient of several Best Paper awards, the EDA Competition Award in SMACD 2016, and the Prestigious Outstanding Dissertation Award from the European Design and Automation Association (EDAA), in 2019. His current research interests include the development of automated design methodologies for RF and mm-Wave circuits.
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Identification

Personal identification

Full name
Fábio Moreira de Passos

Citation names

  • Fábio Passos
  • F. Passos

Author identifiers

Ciência ID
4F18-3DC7-9658
ORCID iD
0000-0002-5638-7377
Google Scholar ID
https://bit.ly/2zE3Aeh

Languages

Language Speaking Reading Writing Listening Peer-review
English Advanced (C1) Advanced (C1) Advanced (C1) Advanced (C1)
Spanish; Castilian Advanced (C1) Intermediate (B1) Intermediate (B1) Advanced (C1)
Education
Degree Classification
2015/05/01 - 2018/04/13
Concluded
 Ciencias y Tecnologías Físicas (Doctor of Philosophy)
Major in Electrónica
Universidad de Sevilla, Spain
"A Multilevel Approach to the Systematic Design of Radio-Frequency Integrated Circuits " (THESIS/DISSERTATION)
 Summa Cum Laude
2013
Concluded
 Mestrado Integrado em Engenharia Electrotécnica e de Computadores (Mestrado)
Universidade Nova de Lisboa Faculdade de Ciências e Tecnologia, Portugal
"Modelling of Integrated Inductors for RF Circuit Design" (THESIS/DISSERTATION)
 18
Affiliation

Science

Category
Host institution 		Employer
2024/01/04 - 2024/05/31 Invited Auxiliary Researcher (Research) Universidade de Lisboa Instituto Superior Técnico, Portugal
2019/05/01 - 2020/01/15 Postdoc (Research) Instituto de Telecomunicações, Portugal
Instituto de Telecomunicações, Portugal
2018/04/14 - 2019/04/13 Postdoc (Research) Instituto de Microelectrónica de Sevilla, Spain
2014/09/01 - 2018/04/13 Researcher (Research) Instituto de Microelectrónica de Sevilla, Spain
2017/06/01 - 2017/08/01 Visiting Researcher (Research) Universitat de Barcelona Centres Científics i Tecnològics, Spain
2016/12/01 - 2017/02/01 Visiting Researcher (Research) Instituto de Telecomunicações, Portugal
2016/01/06 - 2016/03/06 Visiting Researcher (Research) Interuniversitair Micro-Elektronica Centrum, Belgium
IMEC (Universiteit Gent), Belgium
2013/07/01 - 2014/07/01 Researcher (Research) Universidade Nova de Lisboa Centro de Tecnologias e Sistemas, Portugal
2013/02/01 - 2013/06/01 Research Trainee (Research) Instituto de Microelectrónica de Sevilla, Spain

Teaching in Higher Education

Category
Host institution 		Employer
2024/06/01 - Current Assistant Professor (University Teacher) Universidade de Lisboa Instituto Superior Técnico, Portugal
2023/09/01 - 2024/07/31 Invited Assistant Professor (University Teacher) Universidade Nova de Lisboa Faculdade de Ciências e Tecnologia, Portugal
Universidade Nova de Lisboa Faculdade de Ciências e Tecnologia, Portugal
2017/10/01 - 2019/04/01 Tutor (University Teacher) Universidad de Sevilla, Spain
2013 - 2014 Tutor (University Teacher) Universidade Nova de Lisboa Faculdade de Ciências e Tecnologia, Portugal

Positions / Appointments

Category
Host institution 		Employer
2020/01/20 - 2021/09/01 Analog Design Engineer Dialog Semiconductor PLC, United Kingdom
2018/10/15 - 2018/12/15 RF/mm-Wave Designer, R&D Department Analog Devices, Spain

Others

Category
Host institution 		Employer
2021/09/01 - 2023/09/01 Marie Curie Fellow European Commission, Belgium
Instituto de Telecomunicações, Portugal
2020/01/15 - 2021/08/31 Scientific Collaborator Instituto de Telecomunicações, Portugal
Projects

Grant

Designation Funders
2020/12/01 - 2022/12/01 Automated synthesis methodology for reliable RF integrated circuits (SYSTEMIC-RF) - Horizon2020 Marie Curie Individual Fellowship
892431
Principal investigator
Instituto de Telecomunicações, Portugal
 European Commission
2015/05/01 - 2018/04/13 MARAGDA: Multilevel approach to the reliability-aware design of analog and digital integrated circuits
MARAGDA
PhD Student Fellow
Instituto de Microelectrónica de Sevilla, Spain

Contract

Designation Funders
2021/09/01 - 2023/08/31 PROMISE: PROgrammable mixed signal electronics
EU/H2020/870358
Post-doc
Instituto de Telecomunicações, Portugal
Concluded
2020/02/01 - 2022/02/01 Ready-to-Fabricate RF and mmWave Integrated Circuit Layouts
n/d
Principal investigator
Instituto de Telecomunicações, Portugal
Ongoing
2014/12/28 - 2015/12/28 FLEXICS
P12-TIC-1481
Research Technician Fellow
Instituto de Microelectrónica de Sevilla, Spain
Concluded

Other

Designation Funders
2014/09/01 - 2014/12/27 RF device characterization
2011/TIC-178
Research Technician Fellow
Instituto de Microelectrónica de Sevilla, Spain
Outputs

Publications

Book
  1. Passos, F.; Fino, M.H.; Roca, E.. Single-Objective Optimization Methodology for the Design of RF Integrated Inductors. 2014.
    10.1007/978-3-642-54734-8_63
  2. Pereira, P.; Passos, F.; Fino, M.H.. Optimization-based design of RF-VCOs with tapered inductors. 2014.
Conference abstract
  1. Fábio Passos; Lourenço, Nuno; Luís Miguel Moreira Mendes; Martins, Ricardo; Caldinhas Vaz, João; Nuno Horta. "A 23.5-32.5GHz, 17dBm PSAT and 37.5%PAE Power Amplifier Fully Synthesized Using an Automated Design Methodology Aided by ML Passive Component Models". Paper presented in International Conference on Synthesis, Modeling, Analysis and Simulation Methods, and Applications to Circuit Design (SMACD), 2023.
    Accepted
Conference paper
  1. F. Passos; N. Lourenço; L. Mendes; R. Martins; J. Vaz; N. Horta. "Efficient Hierarchical mm-Wave System Synthesis with Embedded Accurate Transformer and Balun Machine Learning Models". 2023.
    10.1145/3566097.3567879
  2. Fábio Passos; Lourenço, Nuno; Martins, Ricardo; Elisenda Roca; Rafael Castro-Lopez; Horta, Nuno Cavaco Gomes; Fernández, Francisco. "Machine Learning Approaches for Transformer Modeling". Paper presented in International Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design (SMACD), Sardinia, 2022.
    Published
  3. Luís Mendes; Caldinhas Vaz, João; Fábio Passos; Lourenço, Nuno; Martins, Ricardo. "Automatic Design of High-Gain 26.5-to-29.5-GHz Transformer-Less Low-Noise Amplifier 1.86-to-8.87-mW Variants in 65-nm CMOS". Paper presented in IEEE International Symposium on Circuits and Systems (ISCAS), Austin, 2022.
    Accepted
  4. L. Mendes; J. Vaz; F. Passos; Lourenço, Nuno; R. M. F. Martins. "Design Space Exploration of 26.5-to-29.5-GHz Low-Noise Amplifiers for Low-Power mmWave 5G Communications in 65-nm CMOS". Paper presented in International Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design, Erfurt, 2021.
    Submitted
  5. Passos, F.; Martins, R.; Lourenco, N.; Roca, E.; Castro-Lopez, R.; Povoa, R.; Canelas, A.; Horta, N.; Fernandez, F.V.. "Handling the Effects of Variability and Layout Parasitics in the Automatic Synthesis of LNAs". 2018.
    10.1109/smacd.2018.8434887
  6. Martins, R.; Lourenco, N.; Povoa, R.; Canelas, A.; Horta, N.; Passos, F.; Castro-Lopez, R.; Roca, E.; Fernandez, F.. "Layout-aware challenges and a solution for the automatic synthesis of radio-frequency IC blocks". 2017.
    10.1109/SMACD.2017.7981577
  7. Passos, F.; Roca, E.; Castro-Lopez, R.; Fernandez, F.V.; Martins, R.; Lourenco, N.; Povoa, R.; Canelas, A.; Horta, N.. "Systematic design of a voltage controlled oscillator using a layout-aware approach". 2017.
    10.1109/SMACD.2017.7981580
  8. Passos, F.; Roca, E.; Castro-Lopez, R.; Fernandez, F.V.; Sieiro, J.; Lopez-Villegas, J.M.. "A strategy to efficiently include electromagnetic simulations in optimization-based RF circuit design methodologies". 2017.
    10.1109/NEMO.2017.7964188
  9. Lourenco, N.; Martins, R.; Povoa, R.; Canelas, A.; Horta, N.; Passos, F.; Castro-Lopez, R.; Roca, E.; Fernandez, F.V.. "New mapping strategies for pre-optimized inductor sets in bottom-up RF IC sizing optimization". 2017.
    10.1109/SMACD.2017.7981582
  10. Passos, F.; Roca, E.; Castro-López, R.; Fernández, F.V.. "An algorithm for a class of real-life multi-objective optimization problems with a sweeping objective". 2017.
    10.1109/CEC.2017.7969383
  11. Passos, F.; Roca, E.; Castro-López, R.; Fernández, F.V.; Ye, Y.; Spina, D.; Dhaene, T.. "Frequency-dependent parameterized macromodeling of integrated inductors". 2016.
    10.1109/SMACD.2016.7520750
  12. Passos, F.; Roca, E.; Castro-López, R.; Fernández, F.V.. "SIDe-O: A toolbox for surrogate inductor design and optimization". 2016.
    10.1109/SMACD.2016.7520713
  13. Passos, F.; González-Echevarría, R.; Roca, E.; Castro-López, R.; Fernández, F.V.. "Accurate synthesis of integrated RF passive components using surrogate models". 2016.
  14. Passos, F.; Kotti, M.; Gonzalez-Echevarria, R.; Fino, M.H.; Fakhfakh, M.; Roca, E.; Castro-Lopez, R.; Fernandez, F.V.. "Physical vs. surrogate models of passive RF devices". 2015.
    10.1109/ISCAS.2015.7168584
  15. Passos, F.; Gonzalez-Echevarria, R.; Roca, E.; Castro-Lopez, R.; Fernandez, F.V.. "Surrogate modeling and optimization of inductor performances using Kriging functions". 2015.
    10.1109/SMACD.2015.7301675
  16. Passos, F.; Fino, M.H.; Roca, E.; González-Echevarría, R.; Fernández, F.V.. "Lumped element model for arbitrarily shaped integrated inductors - A statistical analysis". 2013.
    10.1109/COMCAS.2013.6685307
  17. Passos, F.; Fino, M.H.; Roca, E.. "A wideband lumped-element model for arbitrarily shaped integrated inductors". 2013.
  18. Passos, F.; Helena Fino, M.; Roca Moreno, E.. "Analythical characterization of variable width integrated spiral inductors". 2013.
Journal article
  1. Fábio Passos; Nuno Lourenço; Elisenda Roca; Ricardo Martins; Rafael Castro-López; Nuno Horta; Francisco V. Fernández. "PACOSYT: A Passive Component Synthesis Tool Based on Machine Learning and Tailored Modeling Strategies Towards Optimal RF and mm-Wave Circuit Designs". IEEE Journal of Microwaves (2023): https://doi.org/10.1109/JMW.2023.3237260.
    10.1109/JMW.2023.3237260
  2. Rafael Vieira; Fábio Passos; Ricardo Martins; Nuno Horta; Nuno Lourenço. "Behavioral Analysis of Noise and Bandwidth Specifications of Heartbeat Detection Circuits for Ultra Low Power Devices". IEEE Access (2023): https://doi.org/10.1109/ACCESS.2023.3255166.
    10.1109/ACCESS.2023.3255166
  3. Ricardo Filipe Sereno Póvoa; Richa Arya; António Canelas; Fabio Passos; Ricardo Martins; Nuno Lourenço; Nuno Horta. "Sub-µW Tow-Thomas based biquad filter with improved gain for biomedical applications". Microelectronics Journal 95 0 (2020): 104675-104675. http://www.it.pt/Publications/PaperJournal/29875.
    10.1016/j.mejo.2019.104675
  4. Fabio Passos; Miguel Chanca; Elisenda Roca; Rafael Castro-López; Francisco V. Fernandez; Passos, Fabio; Chanca, Miguel; et al. "Synthesis of mm-Wave Wideband Receivers in 28nm CMOS Technology for Automotive Radar Applications". IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems - - (2020): 1-1. http://www.it.pt/Publications/PaperJournal/30077.
    10.1109/TCAD.2020.2983363
  5. Passos, Fabio; Roca, Elisenda; Martins, Ricardo; Lourenco, Nuno; Ahyoune, Saiyd; Sieiro, Javier; Castro-Lopez, Rafael; et al. "Ready-to-Fabricate RF Circuit Synthesis Using a Layout- and Variability-Aware Optimization-Based Methodology". IEEE Access 8 - (2020): 51601-51609. http://dx.doi.org/10.1109/access.2020.2980211.
    10.1109/access.2020.2980211
  6. Fábio Passos. "An Efficient Transformer Modeling Approach for mm-Wave Circuit Design". IEEE Transactions on Circuits and Systems (2020):
    Under revision
  7. Passos, Fabio; Roca, Elisenda; Sieiro, Javier; Fiorelli, Rafaella; Castro-Lopez, Rafael; Lopez-Villegas, Jose Maria; Fernandez, Francisco V.. "A Multilevel Bottom-up Optimization Methodology for the Automated Synthesis of RF Systems". IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (2019): 1-1. http://dx.doi.org/10.1109/tcad.2018.2890528.
    10.1109/tcad.2018.2890528
  8. Passos, Fabio; Roca, Elisenda; Castro-Lopez, Rafael; Fernandez, Francisco V.. "A Comparison of Automated RF Circuit Design Methodologies: Online Versus Offline Passive Component Design". IEEE Transactions on Very Large Scale Integration (VLSI) Systems 26 11 (2018): 2386-2394. http://dx.doi.org/10.1109/tvlsi.2018.2859827.
    10.1109/tvlsi.2018.2859827
  9. Martins, R.; Lourenco, N.; Passos, F.; Psvoa, R.; Canelas, A.; Roca, E.; Castro-Lopez, R.; et al. "Two-Step RF IC Block Synthesis with Pre-Optimized Inductors and Full Layout Generation In-the-loop". IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (2018): http://www.scopus.com/inward/record.url?eid=2-s2.0-85046750384&partnerID=MN8TOARS.
    10.1109/TCAD.2018.2834394
  10. Passos, F.; González-Echevarría, R.; Roca, E.; Castro-López, R.; Fernández, F.V.. "A two-step surrogate modeling strategy for single-objective and multi-objective optimization of radiofrequency circuits". Soft Computing (2018): 1-15. http://www.scopus.com/inward/record.url?eid=2-s2.0-85044392658&partnerID=MN8TOARS.
    10.1007/s00500-018-3150-9
  11. Passos, F.; Martins, R.; Lourenço, N.; Roca, E.; Póvoa, R.; Canelas, A.; Castro-López, R.; Horta, N.; Fernández, F.V.. "Enhanced systematic design of a voltage controlled oscillator using a two-step optimization methodology". Integration (2018): http://www.scopus.com/inward/record.url?eid=2-s2.0-85042158070&partnerID=MN8TOARS.
    10.1016/j.vlsi.2018.02.005
  12. Passos, F.; Ye, Y.; Spina, D.; Roca, E.; Castro-López, R.; Dhaene, T.; Fernández, F.V.. "Parametric macromodeling of integrated inductors for RF circuit design". Microwave and Optical Technology Letters 59 5 (2017): 1207-1212. http://www.scopus.com/inward/record.url?eid=2-s2.0-85016191846&partnerID=MN8TOARS.
    10.1002/mop.30498
  13. Passos, F.; Roca, E.; Castro-López, R.; Fernández, F.V.. "An inductor modeling and optimization toolbox for RF circuit design". Integration, the VLSI Journal 58 (2017): 463-472. http://www.scopus.com/inward/record.url?eid=2-s2.0-85011031910&partnerID=MN8TOARS.
    10.1016/j.vlsi.2017.01.009
  14. Passos, F.; Roca, E.; Castro-López, R.; Fernández, F.V.. "Radio-frequency inductor synthesis using evolutionary computation and Gaussian-process surrogate modeling". Applied Soft Computing Journal 60 (2017): 495-507. http://www.scopus.com/inward/record.url?eid=2-s2.0-85025582577&partnerID=MN8TOARS.
    10.1016/j.asoc.2017.07.036
  15. Passos, F.; Fino, M.H.; Moreno, E.R.. "Fully analytical characterization of the series inductance of tapered integrated inductors". International Journal of Electronics and Telecommunications 60 1 (2014): 65-69. http://www.scopus.com/inward/record.url?eid=2-s2.0-84903289206&partnerID=MN8TOARS.
    10.2478/eletel-2014-0007
Newspaper article
  1. "In-Depth Design Space Exploration of 26.5-to-29.5-GHz 65-nm CMOS Low-Noise Amplifiers for Low-Footprint-and-Power 5G Communications Using One-and- Two -Step Design Optimization", 2021, https://10.1109/ACCESS.2021.3078240.
    10.1109/ACCESS.2021.3078240
  2. "Hierarchical Yield-Aware Synthesis Methodology Covering Device-, Circuit-, and System-Level for Radiofrequency ICs,", 2020
    10.1109/ACCESS.2021.3110758
Thesis / Dissertation
  1. Fino, Maria Helena; Moreno, Elisenda; Passos, Fábio Moreira de. "Modeling of integrated inductors for RF circuit design". Master, 2013. http://hdl.handle.net/10362/11113.

Other

Other output
  1. AMS0.35µm Integrated Circuit Prototype. Europractice AMS 0.35µm.. 2017. Fábio Passos; Nuno Lourenço; Martins, Ricardo.
Activities

Jury of academic degree

Topic
Role 		Candidate name (Type of degree)
Institution / Organization
2018 Using ANNs to Size Analog Integrated Circuits
(Thesis) Main arguer
 João Pedro da Silva Rosa (Master)
Universidade de Lisboa Instituto Superior Técnico, Portugal

Conference scientific committee

Conference name Conference host
2018 - Current 2018 15th International Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design (SMACD) IEEE
2017 - Current 2017 14th International Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design (SMACD) IEEE
2017 - Current Design, Automation & Test in Europe Conference & Exhibition (DATE), 2017 IEEE
2016 - Current 2016 13th International Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design (SMACD) IEEE
2016 - Current 2016 IEEE International Symposium on Circuits and Systems (ISCAS) IEEE
2015/01/01 - Current 2015 International Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design (SMACD) IEEE
2015 - Current 2015 IEEE International Symposium on Circuits and Systems (ISCAS) IEEE

Consulting

Activity description Institution / Organization
2018/10/15 - 2018/12/15 Technology transfer internship (Collaboration between IMSE-CNM and Analog Devices). Developing optimization-based methodologies for mm-Wave circuits (60-120 GHz). Design of devices such as transformers and circuits such as LNAs, Mixers, Mixer drivers and Amplifiers. Complete front-end receiver design in 28nm CMOS technology. Analog Devices, Spain

Journal scientific committee

Journal title (ISSN) Publisher
2018 - Current Soft Computing (1433-7479) Springer-Verlag
2017 - Current IEEE Transactions on Industrial Electronics (1557-9948) Institute of Electrical and Electronics Engineers
2016 - Current integration, the VLSI Journal
Distinctions

Award

2019 EDAA Outstanding Dissertation Award (https://www.edaa.com/press_releases/EDAA_Award_2019_Results.pdf)
European Design Automation Association, Belgium
2019 Best PhD Thesis Award
Universidad de Sevilla, Spain
2018 Best Paper Award (SMACD 2018)
IEEE, United States
2016 EDA Competition Winner (SMACD 2016)
IEEE, United States

Council on Electronic Design Automation, United States
2013 Outstanding Paper Award
IEEE, United States

Akademia Morska w Gdyni, Poland

Other distinction

2017 Nominee for the Best Paper Award (SMACD 2017)
IEEE, United States