Supervision : Marie-Minerve LOUËRAT

Les convertisseurs Sigma-Delta en mode courant

Phd defence : 01/07/2002

Jury members :

George Gielen - rapporteur
Franco Maloberti - rapporteur
Andréas Kaiser
Caïel Dijkmans
Frédéric Paillardet (excusé)
Marie-Minerve Louërat
Alain Greiner

1997-2026 Publications

• 2026
  • A. Emad Abdelazim, A. Díaz‑Rizo, H. Aboushady, Haralampos‑G. Stratigopoulos : “AI-Enabled Covert Channel Detection in RF Receiver Architectures”, Journal of Hardware and Systems Security, vol. 10 (1), pp. 20 (2026)
  • E. Dole, A. Emad Abdelazim, H. Aboushady, Haralampos‑G. Stratigopoulos, A. Díaz‑Rizo : “On-Chip AI-Driven Detection of Hardware Trojan-Based Covert Channels”, 2026 IEEE International Conference on Cyber Security and Resilience (CSR 2026), Lisbonne, Portugal (2026)
  • Zh. Song, Haralampos‑G. Stratigopoulos, H. Aboushady : “A Heterogeneous Neural Network Accelerator for End-to-End Multitask RF Signal Recognition”, IEEE Transactions on Very Large Scale Integration (VLSI) Systems, pp. 1-14, (IEEE) (2026)
  • V. Barbaza, A. Díaz‑Rizo, A. Emad Abdelazim, E. Dole, H. Aboushady, S. Raptis, Haralampos‑G. Stratigopoulos : “Stealing AI Model Weights Through Covert Communication Channels”, IEEE Transactions on Very Large Scale Integration (VLSI) Systems, pp. 1-14, (IEEE) (2026)
  • Zh. Song, Haralampos‑G. Stratigopoulos, H. Aboushady : “Edge-Efficient Transformer for End-to-End RF Spectrum Monitoring”, IEEE Transactions on Circuits and Systems II: Express Briefs, (Institute of Electrical and Electronics Engineers) (2026)
• 2025
  • G. Montoya‑Zúñiga, A. Díaz‑Rizo, H. Aboushady, R. Parra‑Michel, A. Veloz‑Guerrero, Haralampos‑G. Stratigopoulos : “Anti-Counterfeiting Design of Bluetooth Transceivers Through Logic Locking”, 2025 IEEE Global Communications Conference, Taipei, Taiwan, Province of China (2025)
  • Zh. Song, A. Emad Abdelazim, P. Bazargan‑Sabet, F. Wajsbürt, Haralampos‑G. Stratigopoulos, H. Aboushady : “A Power-Efficient Attention-Infused CNN Hardware Accelerator for RF Spectrum Monitoring”, IEEE International Symposium on Circuits and Systems, London, United Kingdom (2025)
  • Hazem H. Hammam, H. Aboushady, Haralampos‑G. Stratigopoulos : “Anti-Counterfeiting Secured Design of a Bandgap Reference Circuit”, IEEE International Symposium on Circuits and Systems, London, United Kingdom (2025)
  • A. Díaz Rizo, H. Aboushady, Haralampos‑G. Stratigopoulos : “Live Demonstration: Securing Wireless ICs Against Supply Chain Attacks Using SyncLock”, IEEE International Symposium on Circuits and Systems, London, United Kingdom (2025)
  • A. Díaz Rizo, H. Aboushady, Haralampos‑G. Stratigopoulos : “Securing Wireless Integrated Circuits Against Supply Chain Attacks: SyncLock Demonstration”, (2025)
  • H. Hammam, H. Aboushady, Haralampos‑G. Stratigopoulos : “Analog Circuit Anti-Piracy Security by Exploiting Device Ratings”, Design, Automation & Test in Europe Conference (DATE), Lyon, France, (IEEE), (ISBN: 978-3-9826741-0-0) (2025)
• 2024
  • H. Aboushady, N. Beringuier‑Boher, K. Burke, Ph. Dallemagne, M. De Biase, M. Di Frangia, V. Deniau, E. Ferrari, Ch. Gaquière, D. Morche, F. Patrone, S. Pesci, L. Pomante, A. Stam, V. Stornelli, Haralampos‑G. Stratigopoulos, M. Taouil, E. Vaumorin, J. Villain, S. Steeghs : “Trusted SMEs for Sustainable Growth of Europeans Economical Backbone to Strengthen the Digital Sovereignty: The KDT Resilient Trust Project”, 2024 27^th Euromicro Conference on Digital System Design (DSD), Paris, France, pp. 620-627, (IEEE) (2024)
  • A. Díaz Rizo, A. Emad Abdelazim, H. Aboushady, Haralampos‑G. Stratigopoulos : “Covert Communication Channels Based On Hardware Trojans: Open-Source Dataset and AI-Based Detection”, IEEE International Symposium on Hardware Oriented Security and Trust, Washington D.C., United States (2024)
  • W. Guo, K. Yang, Haralampos‑G. Stratigopoulos, H. Aboushady, Kh. Salama : “An End-To-End Neuromorphic Radio Classification System with an Efficient Sigma-Delta-Based Spike Encoding Scheme”, IEEE Transactions on Artificial Intelligence, vol. 5 (4), pp. 1869-1881, (IEEE) (2024)
• 2023
  • A. Díaz‑Rizo, H. Aboushady, Haralampos‑G. Stratigopoulos : “Leaking Wireless ICs via Hardware Trojan-Infected Synchronization”, IEEE Transactions on Dependable and Secure Computing, vol. 20 (5), pp. 3845-3859, (Institute of Electrical and Electronics Engineers) (2023)
  • A. Díaz‑Rizo, H. Aboushady, Haralampos‑G. Stratigopoulos : “Anti-Piracy Design of RF Transceivers”, IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 70 (1), pp. 492-505, (IEEE) (2023)
• 2022
  • J. Leonhard, N. Limaye, Sh. Turk, A. Sayed, A. Díaz‑Rizo, H. Aboushady, O. Sinanoglu, Haralampos‑G. Stratigopoulos : “Digitally-Assisted Mixed-Signal Circuit Security”, IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, vol. 41 (8), pp. 2449-2462, (IEEE) (2022)
  • A. Díaz Rizo, J. Leonhard, H. Aboushady, Haralampos‑G. Stratigopoulos : “RF Transceiver Security Against Piracy Attacks”, IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 69 (7), pp. 3169-3173, (Institute of Electrical and Electronics Engineers) (2022)
  • A. Díaz Rizo, H. Aboushady, Haralampos‑G. Stratigopoulos : “SyncLock: RF Transceiver Security Using Synchronization Locking”, Design, Automation and Test in Europe Conference (DATE), Antwerp, Belgium, pp. 1153-1156, (IEEE) (2022)
  • M. Elshamy, G. Di Natale, A. Sayed, A. Pavlidis, M.‑M. Louërat, H. Aboushady, Haralampos‑G. Stratigopoulos : “Digital-to-Analog Hardware Trojan Attacks”, IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 69 (2), pp. 573-586, (IEEE) (2022)
  • M. Tlili, A. Sayed, D. Mahmoud, M.‑M. Louërat, H. Aboushady, Haralampos‑G. Stratigopoulos : “Anti-Piracy of Analog and Mixed-Signal Circuits in FD-SOI”, 2022 27^th Asia and South Pacific Design Automation Conference (ASP-DAC), Virtual, Taiwan, Province of China, pp. 423-428, (IEEE) (2022)
• 2021
  • M. Elshamy, A. Sayed, M.‑M. Louërat, H. Aboushady, Haralampos‑G. Stratigopoulos : “Locking by Untuning: A Lock-Less Approach for Analog and Mixed-Signal IC Security”, IEEE Transactions on Very Large Scale Integration (VLSI) Systems, vol. 29 (12), pp. 2130-2142, (IEEE) (2021)
• 2020
  • A. Sayed, T. Badran, M.‑M. Louërat, H. Aboushady : “A 1.5-to-3.0GHz Tunable RF Sigma-Delta ADC With a Fixed Set of Coefficients and a Programmable Loop Delay”, IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 67 (9), pp. 1559-1563, (Institute of Electrical and Electronics Engineers) (2020)
  • M. Elshamy, A. Sayed, M.‑M. Louërat, A. Rhouni, H. Aboushady, Haralampos‑G. Stratigopoulos : “Securing Programmable Analog ICs Against Piracy”, 2020 Design, Automation & Test in Europe Conference & Exhibition (DATE), Grenoble, France (2020)
  • J. Leonhard, M.‑M. Louërat, H. Aboushady, O. Sinanoglu, Haralampos‑G. Stratigopoulos : “Mixed-Signal IP Protection Against Piracy Based on Logic Locking”, 32. GI / GMM / ITG - Workshop Testmethoden und Zuverlässigkeit von Schaltungen und Systemen, Ludwigsburg, Germany (2020)
  • F. Gebreyohannes, J. Porte, M.‑M. Louërat, H. Aboushady : “A g m /I D Methodology Based Data-Driven Search Algorithm For the Design of Multi-Stage Multi-Path Feed-Forward-Compensated Amplifiers Targeting High Speed Continuous-Time Σ∆-Modulators”, IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, (IEEE) (2020)
  • J. Leonhard, A. Sayed, M.‑M. Louërat, H. Aboushady, Haralampos‑G. Stratigopoulos : “Analog and Mixed-Signal IC Security Via Sizing Camouflaging”, IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, (IEEE) (2020)
• 2019
  • J. Leonhard, M.‑M. Louërat, H. Aboushady, O. Sinanoglu, Haralampos‑G. Stratigopoulos : “Mixed-Signal Hardware Security Using MixLock: Demonstration in an Audio Application”, International Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design (SMACD), Laussane, Switzerland, pp. 185-188, (IEEE) (2019)
  • F. Gebreyohannes, M.‑M. Louërat, H. Aboushady : “Design of a 4^th-Order Feed-Forward-Compensated Operational Amplifier for Multi-GHz Sampling Frequency Continuous-Time Bandpass Sigma-Delta Modulators”, 2019 IEEE International Symposium on Circuits and Systems (ISCAS), Sapporo, Japan, (IEEE) (2019)
  • J. Leonhard, M. Yasin, Sh. Turk, M. Nabeel, M.‑M. Louërat, R. Chotin‑Avot, H. Aboushady, O. Sinanoglu, Haralampos‑G. Stratigopoulos : “MixLock: Securing Mixed-Signal Circuits via Logic Locking”, Design, Automation and Test in Europe (DATE 2019), Proceedings of the 2019 Design, Automation and Test in Europe, Florence, Italy, pp. 84-89 (2019)
• 2018
  • D. Haghighitalab, D. Belfort, A. Kilic, A. Benlarbi‑Delai, H. Aboushady : “A 2.4 GHz ISM-band Highly Digitized Receiver based on a Variable Gain LNA and a Subsampled ADC”, Analog Integrated Circuits and Signal Processing, vol. 95 (2), pp. 259-270, (Springer Verlag) (2018)
• 2017
  • D. Belfort, Sebastian Y.C. Catunda, H. Aboushady : “4^th order capacitively-coupled LC-based Σ Δ modulator”, Microelectronics Journal, vol. 62, pp. 99-107, (Elsevier) (2017)
• 2015
  • Ah. Ashry, D. Rodrigues Belfort, H. Aboushady : “Phase Noise Effect on Sine-Shaped Feedback DACs Used in Continuous-Time Sigma-Delta ADCs”, IEEE Transactions on Circuits and Systems Part 1 Fundamental Theory and Applications, vol. 62 (3), pp. 717-724, (Institute of Electrical and Electronics Engineers (IEEE)) (2015)
• 2014
  • D. Rodrigues Belfort, Sebastian Y. C. Catunda, H. Aboushady : “Design of RF BAW-based ΣΔ Modulators”, IEEE 5^th Latin American Symposium on Circuits and Systems (LASCAS), 2014, Santiago, Chile, pp. 1-4 (2014)
  • A. Kilic, D. Haghighitalab, H. Mehrez, H. Aboushady : “Low-power comb decimation filter for RF Sigma-Delta ADCs”, ISCAS 2014 - IEEE International Symposium on Circuits and Systems, Melbourne, Victoria, Australia, pp. 1596-1599, (IEEE) (2014)
• 2013
  • J. Bonan, Ch. Hagleitner, H. Aboushady, M.‑M. Louërat : “Compact and Low power ADCs for a MEMs-based Probe Storage Device”, Analog Integrated Circuits and Signal Processing, vol. 76 (1), pp. 23-34, (Springer Verlag) (2013)
• 2012
  • M. Allam, H. Aboushady, M.‑M. Louërat : “Continuous-Time Sigma Delta Modulators With VCOBased Voltage-to-Phase and Voltage-to-Frequency Quantizers”, Colloque GDR SOC-SIP, Paris, France (2012)
  • A. Lévêque, F. Pêcheux, M.‑M. Louërat, H. Aboushady, F. Cenni, S. Scotti, A. Massouri, L. Clavier : “Holistic Modeling of Embedded Systems with Multi-Discipline Feedback: Application to a Precollision Mitigation Braking System”, Design, Automation and Test in Europe (DATE'12), Dresden, Germany, pp. 739-744, (EDAA Publishing) (2012)
• 2011
  • Ah. Ashry, H. Aboushady : “A 3.6GS/s, 15mW, 50dB SNDR, 28MHz bandwidth RF ΣΔ ADC with a FoM of 1pJ/bit in 130nm CMOS”, CICC 2011 - Custom Integrated Circuits Conference, San Jose, CA, United States, pp. 1-4, (IEEE) (2011)
  • Ah. Ashry, H. Aboushady : “A 4^th Order Subsampled RF ΣΔ ADC Centered at 2.4GHz with a Sine-Shaped Feedback DAC”, European Solid-State Circuits Conference (ESSCIRC'11), Helsinki, Finland, pp. 263-266, (IEEE) (2011)
  • Ah. Ashry, H. Aboushady : “Sine-Shaping Mixer for Continuous-Time ΣΔ ADCs”, IEEE International Symposium on Circuits and Systems (ISCAS'11), Rio de Janeiro, Brazil, pp. 1113-1116, (IEEE) (2011)
• 2010
  • H. Aboushady : “Conception systématique de circuits analogiques intégrés : application aux circuits RF pour la radio-logicielle”, habilitation, phd defence 06/03/2010 (2010)
  • Ah. Ashry, Ahmed K. El‑Shennawy, M. Elbadry, A. Elsayed, H. Aboushady : “Measurement of continuous-time ΣΔ modulators: Implications of using spectrum analyzer”, IEEE International Conference on Microelectronics (ICM'10), Cairo, Egypt, pp. 9-12, (IEEE) (2010)
  • Ah. Ashry, H. Aboushady : “Modeling Jitter in Continuous-Time ΣΔ Modulators”, IEEE International Behavioral Modeling and Simulation Conference (BMAS'10), San Jose, CA, United States, pp. 55-58, (IEEE) (2010)
  • Ah. Ashry, H. Aboushady : “Simple architecture for subsampling LC-based ΣΔ modulators”, Electronics Letters, vol. 46 (18), pp. 1263-1264, (IET) (2010)
  • Ah. Ashry, H. Aboushady : “Main Defects of LC-Based ΣΔ Modulators”, IEEE International Midwest Symposium on Circuits and Systems (MWSCAS'10), Seattle, United States, pp. 897-900 (2010)
  • Ah. Ashry, H. Aboushady : “A generalized approach to design CT ΣΔMs based on FIR DAC”, IEEE International Symposium on Circuits and Systems (ISCAS'10), Paris, France, pp. 21-24, (IEEE) (2010)
  • Ah. Ashry, H. Aboushady : “Jitter analysis of bandpass continuous-time ΣΔMs for different feedback DAC shapes”, IEEE International Symposium on Circuits and Systems (ISCAS'10), Paris, France, pp. 3997-4000, (IEEE) (2010)
  • A. Lévêque, F. Pêcheux, M.‑M. Louërat, H. Aboushady, M. Vasilevski : “SystemC-AMS Models for Low-Power Heterogeneous Designs: Application to a WSN for the Detection of Seismic Perturbations”, ARCS '10 - 23^th International Conference on Architecture of Computing Systems, Hannover, Germany, pp. 1-6 (2010)
  • Sabiniano A. Rodrigues, H. Aboushady, M.‑M. Louërat, José I. C. Accioly, Raimundo C. S. Freire : “A Clock-less 8-bit folding A/D converter”, IEEE Latin American Symposium on Circuits and Systems (LASCAS), Foz do Iguacu, Brazil, pp. 25-28, (IEEE) (2010)
  • D. Belfort, H. Aboushady : “Automatic Design of RF Linear Transconductor”, LASCAS IEEE Circuits and Systems Society Latin American Symposium on Circuits and Systems, Foz do Iguaçu, Brazil (2010)
  • M. Allam, H. Aboushady, M.‑M. Louërat : “Continuous-Time ΣΔ modulators with VCO-Based voltage-to-phase and voltage-to-frequency quantizers”, MWSCAS 2010 - Midwest Symposium on Circuits and Systems, Seattle, United States, pp. 676-679, (IEEE) (2010)
  • D. Haghighitalab, M. Vasilevski, H. Aboushady : “LNA automatic synthesis and characterization for accurate RF system-level simulation”, IEEE International Midwest Symposium on Circuits and Systems (MWSCAS 2010), Seattle, WA, United States, pp. 938-941, (IEEE) (2010)
  • W. Gaber, M. Allam, H. Aboushady, M.‑M. Louërat, E.‑S. Eid : “Systematic design of continuous-time ΣΔ modulator with VCO-based quantizer”, ISCAS 2010 - IEEE International Symposium on Circuits and Systems, Paris, France, pp. 29-32, (IEEE) (2010)
• 2009
  • Ah. Ashry, H. Aboushady : “Using excess loop delay to simplify LC-based ΣΔ modulators”, Electronics Letters, vol. 45 (25), pp. 1298-1299, (IET) (2009)
  • D. Belfort, N. Beilleau, H. Aboushady, M.‑M. Louërat, Sebastian Y. C. Catunda : “A Q-enhanced LC bandpass filter using CAIRO+”, IEEE International Conference on Electronic Circuits and Systems, (ICECS), Hammamet, Tunisia, pp. 860-863, (IEEE) (2009)
  • Ah. Ashry, H. Aboushady : “Fast and accurate jitter simulation technique for continuous-time ΣΔ modulators”, Electronics Letters, vol. 45 (24), pp. 1218-1219, (IET) (2009)
  • N. Beilleau, H. Aboushady, F. Montaudon, A. Cathelin : “A 1.3V 26mW 3.2GS/s Undersampled LC Bandpass Sigma-Delta ADC for a SDR ISM-band Receiver in 130nm CMOS”, RFIC IEEE Radio Frequency Integrated Circuits Symposium, Boston, MA, United States, pp. 383-386, (IEEE) (2009)
  • M. Vasilevski, H. Aboushady, M.‑M. Louërat : “Automatic model refinement of GmC integrators for high-level simulation of continuous-time Sigma-Delta modulators”, ISCAS'09 - IEEE International Symposium on Circuits and Systems, Taipei, Taiwan, Province of China, pp. 2769-2772, (IEEE) (2009)
  • F. Javid, H. Aboushady, N. Beilleau, D. Morche : “The Design of RF Bandpass Sigma-Delta Modulators with Bulk Acoustic Wave Resonators”, ISCAS IEEE International Symposium on Circuits and Systems, Taipei, Taiwan, Province of China, pp. 3138-3141, (IEEE) (2009)
• 2008
  • M. Vasilevski, N. Beilleau, H. Aboushady, F. Pêcheux : “Efficient and refined modeling of wireless sensor network nodes using SystemC-AMS”, PRIME 2008 - IEEE Ph.D. Research in Microelectronics and Electronics, Istanbul, Türkiye, pp. 81-84, (IEEE) (2008)
  • M. Vasilevski, F. Pêcheux, N. Beilleau, H. Aboushady, K. Einwich : “Modeling and Refining Heterogeneous Systems With SystemC-AMS: Application to WSN”, DATE'08 - IEEE Design, Automation and Test in Europe, Munich, Germany, pp. 134-139, (IEEE) (2008)
• 2007
  • M. Vasilevski, H. Aboushady, F. Pêcheux, L. De Lamarre : “Modeling Wireless Sensor Network nodes using SystemC-AMS”, ICM'07 - IEEE Internatonal Conference on Microelectronics, Le Caire, Egypt, pp. 53-56, (IEEE) (2007)
  • M. Vasilevski, F. Pêcheux, H. Aboushady, L. De Lamarre : “Modeling heterogeneous systems using SystemC-AMS case study: A Wireless Sensor Network Node”, Behavioral Modeling and Simulation Workshop, 2007. BMAS 2007. IEEE International, San Jose, CA, United States, pp. 11-16, (IEEE) (2007)
  • Will R. M. Almeida, Georgina M. Freitas, Lígia S. Palma, Sebastian Y. C. Catunda, Raimundo C. S. Freire, H. Aboushady, Francisco F. Santos, A. Oliveira : “A Constant Temperature Thermoresistive Sigma-Delta Anemometer”, IMTC IEEE Instrumentation and Measurement Technology Conference, Warsaw, Poland, pp. 1-6, (IEEE) (2007)
  • Will R. M. Almeida, Georgina M. Freitas, Lígia S. Palma, Sebastian Y. C. Catunda, Raimundo C. S. Freire, Francisco F. Santos, A. Oliveira, H. Aboushady : “Thermal Sigma-Delta Modulator: Anemometer Performance Analysis”, IMTC IEEE Instrumentation and Measurement Technology Conference, Warsaw, Poland, pp. 1-5, (IEEE) (2007)
• 2006
  • J. Bonan, Ch. Hagleitner, H. Aboushady : “Low-Power Cell-Level ADC for a MEMS-Based Parallel Scanning-Probe Storage Device”, ESSCIRC European Solid-State Circuits Conference, Montreux, Switzerland, pp. 239-242, (IEEE) (2006)
  • N. Beilleau, A. Kammoun, H. Aboushady : “Systematic Design Method for LC Bandpass Sigma-Delta Modulators with Feedback FIRDACs”, ISCAS IEEE International Symposium on Circuits and Systems, Kos, Greece, pp. 1896-1899, (IEEE) (2006)
  • A. Kammoun, N. Beilleau, H. Aboushady : “Undersampled LC bandpass Sigma-Delta modulators with Feedback FIRDACs”, ISCAS IEEE International Symposium on Circuits and Systems, Kos, Greece, pp. 4427-4430, (IEEE) (2006)
• 2005
  • N. Beilleau, H. Aboushady, M.‑M. Rosset‑Louërat : “Using Finite Impulse Response Feedback DACs to design Sigma-Delta modulators based on LC filters”, MWSCAS 2005 - 48^th Midwest Symposium on Circuits and Systems, Cincinnati, Ohio, United States, pp. 696-699, (IEEE) (2005)
  • A. Latiri, H. Aboushady, N. Beilleau : “Design of Continuous-Time Sigma-Delta Modulators with Sine-Shaped Feedback DACs”, ISCAS 2005 - IEEE International Symposium on Circuits and Systems, Kobe, Japan, pp. 3672-3675, (IEEE) (2005)
• 2004
  • H. Aboushady, L. De Lamarre, N. Beilleau, M.‑M. Rosset‑Louërat : “A Mixed Equation-based and Simulation-based Design Methodology for Continuous-Time Sigma-Delta Modulators”, MWSCAS 2004 - 47^th Midwest Symposium on Circuits and Systems, Hiroshima, Japan, pp. 109-112, (IEEE) (2004)
  • N. Beilleau, H. Aboushady, M.‑M. Rosset‑Louërat : “Filtering Adjacent Channel Blockers using Signal-Transfer-Function of Continuous-Time Sigma-Delta Modulators”, MWSCAS 2004 - 47^th Midwest Symposium on Circuits and Systems, Hiroshima, Japan, pp. 329-332, (IEEE) (2004)
  • H. Aboushady, M.‑M. Rosset‑Louërat : “Loop Delay Compensation in Bandpass Continuous-Time Modulators without Additional Feedback Coefficients”, IEEE International Symposium on Circuits and Systems (ISCAS), Vancouver, Canada, pp. 1124-1127, (IEEE) (2004)
  • H. Aboushady, L. De Lamarre, N. Beilleau, M.‑M. Rosset‑Louërat : “Automatic Synthesis and Simulation of Continuous-Time Sigma Delta Modulators”, DATE 2004 - Design Automation and Test in Europe Conference, Paris, France, pp. 674-675, (IEEE) (2004)
• 2003
  • J. Bonan, H. Aboushady, M.‑M. Rosset‑Louërat : “A 3mW, 250 MSamples/sec, 4-bit Current Mode FLASH Analog-to-Digital Converter”, MidWest Symposium on Circuits And Systems 2003 (MWSCAS'03), vol. 1, Le Caire, Egypt, pp. 1-4, (IEEE) (2003)
  • N. Beilleau, H. Aboushady, M.‑M. Rosset‑Louërat : “Systematic Approach for Scaling Coefficients of Discrete-Time and Continuous-Time Sigma-Delta Modulators”, MidWest Symposium on Circuits And Systems (MWSCAS'03), vol. 1, Le Caire, Egypt, pp. 233-236, (IEEE) (2003)
• 2002
  • H. Aboushady : “Les convertisseurs Sigma-Delta en mode courant”, thesis, phd defence 01/07/2002, supervision Louërat, Marie-Minerve (2002)
  • H. Aboushady, M.‑M. Louërat : “Systematic Approach for Discrete-Time to Continuous-Time Transformation of Sigma-Delta Modulators”, IEEE International Symposium on Circuits and Systems (ISCAS'2002), Phoenix, AZ, United States, pp. 229-232, (IEEE) (2002)
• 2001
  • H. Aboushady, Y. Dumonteix, M.‑M. Louërat, H. Mehrez : “Efficient Polyphase decomposition of Comb decimation filters in sigma-delta analog-to-digital converters”, IEEE Transactions on Circuits and Systems Part 2 Analog and Digital Signal Processing, vol. 48 (10), pp. 898-903, (Institute of Electrical and Electronics Engineers (IEEE)) (2001)
  • H. Aboushady, M.‑M. Louërat : “Systematic Design of High-Linearity Current-Mode Integrators for Low-Power Continuous-Time Sigma-Delta Modulators”, IEEE International Conference on Electronic Circuits and Systems (ICECS'2001), vol. 2, Malta, Malta, pp. 963-966, (IEEE) (2001)
  • H. Aboushady, M.‑M. Rosset‑Louërat : “Low-Power Design of Low-Voltage Current-Mode Integrators for Continuous-Time Sigma-Delta Modulators”, IEEE International Symposium on Circuits and Systems (ISCAS'2001), Sydney, Australia, pp. 276-279, (IEEE) (2001)
• 2000
  • Y. Dumonteix, H. Aboushady, H. Mehrez, M.‑M. Rosset‑Louërat : “Low-power Comb Decimation Filter Using Polyphase Decomposition For Mono-bit Sigma-Delta Analog-to-Digital Converters”, International Conference On Signal Processing Applications and Technologies (ICSPAT 2000), vol. 1, Dallas, Texas, United States, pp. 432-435 (2000)
  • H. Aboushady, Y. Dumonteix, M.‑M. Rosset‑Louërat, H. Mehrez : “Efficient Polyphase Decomposition of Comb Decimation Filters in Sigma-Delta Analog-to-Digital Converters”, 43^rd IEEE Midwest Symposium on Circuits and Systems (MWSCAS 2000), Lansing, MI, United States, pp. 432-435, (IEEE) (2000)
• 1999
  • H. Aboushady, M. Dessouky, E. De Lira Mendes, P. Loumeau : “A Third-Order Current-Mode Continuous-Time Sigma-Delta Modulator”, IEEE International Conference on Electronic Circuits and Systems (ICECS'99), Paphos, Cyprus, pp. 1697-1700, (IEEE) (1999)
  • H. Aboushady, E. De Lira Mendes, M. Dessouky, P. Loumeau : “A Current-Mode Continuous-Time Sigma-Delta Modulator with Delayed Return-to-Zero Feedback”, International Symposium on Circuits and Systems (ISCAS'99), Orlando, FL, United States, pp. 360-363, (IEEE) (1999)
• 1998
  • O. Oliaei, H. Aboushady : “Jitter Effects in Continuous-Time Sigma-Delta Modulators with Delayed Return-to-Zero Feedback”, 5^th IEEE International Conference on Electronics Circuits and Systems (ICECS'98), Lisbon, Portugal, pp. 351-354, (IEEE) (1998)
• 1997
  • H. Aboushady : “La décimation des convertisseurs Sigma-Delta”, (1997)
  • O. Oliaei, H. Aboushady, P. Loumeau : “A Switched-Current Class AB Sigma-Delta-Modulator”, 30^th IEEE International Symposium on Circuits and Systems (ISCAS'97), vol. 1, Hong Kong, Hong Kong, pp. 393-396, (IEEE) (1997)
  • O. Oliaei, H. Aboushady, P. Loumeau : “Simulation de Modulateurs Sigma-Delta à Courants Commutés”, 1^er Colloque CAO de Circuits Intégrés et Systèmes, Grenoble, France, pp. 283-286 (1997)