Adam Cooman

Imec

A 42-GS/s, 7-bit 16nm Massively Time-Interleaved Slope-ADC. E. Martens, A. Cooman, P. Renukaswamy, S. Nagata, S. Park, J. Lagos Benites, N. Markulic, and J. Craninckx, Proceedings of the International Solid-State Circuits Conference (ISSCC), Feb. 2024. IEEExplore

A 28GHz Low Jitter, Low Power Fully Differential Self-Biased Clock Buffer with Embedded Low Pass Filter Utilizing Enable Switch in 16nm FinFET. S. Nagata, E. Martens, A. Cooman, and J. Craninckx, Proceedings of the International Midwest Symposium on Circuits and Systems (MWSCAS), Aug. 2023. Conference website

Ampleon

Offline Method to Determine Optimal Complexity in Predistortion of RF Power Amplifiers. M. Vigneau, A. Prata, A. Cooman, and C. Quindroit, 51st European Microwave Conference (EuMC), Apr. 2022. IEEExplore, ResearchGate

The Impact of Long-Term Memory Effects on the Linearizability of GaN HEMT-Based Power Amplifiers. J. Gomes, L. Nunes, F. Barradas, A. Cooman, A. de Jong, R. Heeres, and J. Pedro, IEEE Transactions on Microwave Theory and Techniques, Volume 70, Issue 2,  2021. IEEExplore, ResearchGate

A High-Linear Ka-Band Power Amplifier with Diode-Based Analogue Predistortion. J. Zhao, A. Cooman, A. Shamsafar, M. Rousstia, D. Calzona, and S. Pires, European Microwave Integrated Circuits Conference (EuMIC), Jan. 2021. IEEExplore

Stability Analysis

Linearized Active Circuits Transfer Functions and Stability. L. Baratchart, S. Chevillard, A. Cooman, M. Olivi, and F. Seyfert, Mathematics in Engineering, Volume 4, Issue 5, Nov. 2021. Read here, Aimspress

Model-free Closed-Loop Stability Analysis A Linear Functional Approach. A. Cooman, F. Seyfert, M. Olivi, S. Chevillard, and L. Baratchart, EEE Transactions on Microwave Theory and Techniques, Vol. 66, No. 1, Nov. 2021. IEEExplore, Longer version on Arxiv, ResearchGate, Read here

Estimating unstable poles in simulations of microwave circuits. A. Cooman, F. Seyfert, and S. Amari, International Microwave Symposium, Jun. 2018. IEEExplore, ResearchGate, Read here

Stability analysis of high frequency nonlinear amplifiers via harmonic identification. L. Baratchart, S. Chevillard, A. Cooman, S. Fueyo, M. Olivi, J. Pomet, and F. Seyfert, Complex Days, Jan. 2018. HAL

Local stability analysis of microwave circuits. A. Cooman, F. Seyfert, M. Olivi, S. Chevillard, and L. Baratchart, Reunion Groupe de travail Identification, Dec. 2017. Download abstract, Download presentation

A functional approach to stability analysis of linear systems. A. Cooman, F. Seyfert, M. Olivi, S. Chevillard, and L. Baratchart, Workshop of the European Research Network System Identification (ERNSI), Sep. 2017. Download abstract, Download poster

Common-denominator modelling for stability analysis of electronic circuits. A. Cooman, F. Ferranti, E. Louarroudi, Y. Rolain, and G. Vandersteen, European Microwave Integrated Circuits Conference (EUMIC), Nov. 2016. Download poster, IEEExplore

Distortion Analysis

Distortion Contribution Analysis with the Best Linear Approximation. A. Cooman, P. Bronders, D. Peumans, G. Vandersteen, and Y. Rolain, IEEE Transactions on Circuits and Systems part I, Vol. 65, No, 12, May 2018. IEEExplore, Read here, Arxiv

Distortion Analysis of analog electronic circuits using modulated signals. A. Cooman and G. Vandersteen, Phd Thesis, Vrije Universiteit Brussel,  2016. Download book, ResearchGate

Analysis of Phase-Locked Loops using the Best Linear Approximation. D. Peumans, A. Cooman, and G. Vandersteen, Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design (SMACD), Jun. 2016. IEEExplore

Distortion Contribution Analysis of strongly non-linear analog circuits. A. Cooman, P. Bronders, and G. Vandersteen, Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design (SMACD), Jun. 2016. Download pdf, Download presentation, IEEExplore

Wideband Distortion Contribution Analysis of Analog Circuits with Differential Signalling. A. Cooman and G. Vandersteen, Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design (SMACD), Sep. 2015. Download pdf, Download presentation, IEEExplore

Combining the Large and the Small; Determining the BLA with tickler tones. A. Cooman, Y. Rolain, E. Louarroudi, and G. Vandersteen, Workshop of the European Research Network System Identification, Sep. 2015. Download abstract, Download poster

Estimating the BLA of MIMO sub-networks in simulations. A. Cooman, E. Louarroudi, and G. Vandersteen, Benelux Meeting on Systems and Control, Mar. 2015. Download abstract, Download full text, Download poster

Estimating the Best Linear Approximation in simulations of electronic circuits. A. Cooman, P. Bronders, and G. Vandersteen, Workshop of the European Research Network System Identification (ERNSI), Sep. 2014. Download abstract, Download poster

Distortion Contribution Analysis by combining the Best Linear Approximation and noise analysis. A. Cooman and G. Vandersteen, International Symposium on Circuits and Systems (ISCAS), Jun. 2014. Download pdf, Download Presentation, IEEExplore

Distortion Contribution Analysis by combining the BLA and MIMO noise Analysis. A. Cooman and G. Vandersteen, Workshop of the European Research Network System Identification (ERNSI), Sep. 2013. Download abstract, Download poster

Finding the dominant source of distortion in two-stage op-amps. A. Cooman, G. Vandersteen, and Y. Rolain, Analog Integrated Circuits and Signal Processing (AISP), No.78, pp.153-163, Jun. 2013. Download pdf, Springer

Finding the dominant source of distortion in two-stage op-amps. A. Cooman and G. Vandersteen, Benelux Meeting on Systems and Control, Mar. 2013. Download abstract, Download presentation

Determining the Dominant Nonlinear Contributions in a multistage Op-amp in a Feedback Configuration. A. Cooman, E. Geerardyn, G. Vandersteen, and Y. Rolain, Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design (SMACD), Sep. 2012. Download Pdf, Download Presentation, IEEExplore

Where are the Dominant Nonlinear Contributions in a Feedback Op-amp?. A. Cooman, E. Geerardyn, G. Vandersteen, and Y. Rolain, European Research Network System Identification (ERNSI), Sep. 2012. Download poster

Modulated Loadpull

Nonlinear Characterization of Wideband Power Amplifiers with frequency-Dependent Match Load. S. Chaudhary, N. Borges Carvalho, M. Jordao, M. Vanden Bossche, A. Cooman, and S. Pires, 16th European Microwave Integrated Circuits Conference (EuMIC), Apr. 2022. IEEExplore

PAPR Deviation Impact in the Wideband Power Amplifier Characterization with Realistic Modulated Load-pull System. S. Chaudhary, M. Jordao, N. Borges Carvalho, M. Vanden Bossche, and A. Cooman, 2021 IEEE MTT-S International Microwave Symposium (IMS), Nov. 2021. IEEExplore

Characterization of the Frequency Dependent Match for Optimal Performance of Wideband Power Amplifiers. S. Chaudhary, M. Jordao, N. Borges Carvalho, M. Vanden Bossche, and A. Cooman, 97th ARFTG Microwave Measurement Conference (ARFTG), Jun. 2021. IEEExplore

Other

Analysis of the Gate Current’s Influence on the RF Power Performance of InAlN/GaN HEMTs. D. Xiao, D. Schreurs, R. ElKashlan, Y. Zhang, A. Cooman, A. Khaled, D. Smellie, A. Alian, M. Asad, B. Parvais, P. Wambacq, U. Peralagu, and N. Collaert, IEEE Transactions on Microwave Theory and Techniques, Aug. 2024. IEEExplore

Using the ROVA model for predistortion applications. A. Varano, A. Cooman, G. Vandersteen, Y. Rolain, and D. Peumans, Benelux Meeting on Systems and Control, Mar. 2024. Conference website

Optimal bounds and matching networks of fixed degree for frequency varying impedances. D. Martinez Martinez, A. Cooman, F. Seyfert, M. Olivi, and S. Bila, European Conference on Antennas and Propagation (EUCAP), Mar. 2020. HAL

Obtaining the Pre-Inverse of a Power Amplifier using Iterative Learning Control. M. Schoukens, J. Hammenecker, and A. Cooman, IEEE Transactions on Microwave Theory and Techniques, Vol. 65, No. 11, Apr. 2017. IEEExplore, Arxiv