Publications (Total)

2024

616.
Wiens, D.-P.; Driemeyer, B.; Ortmanns, M.
A Mixed-Signal TIA with Input Restoring ADC
Accepted at IEEE International Symposium on Circuits and Systems (ISCAS), Singapur
May 2024
615.
Pietzko, M.; Ungethüm, J.; Abdelaal, A.; Kauffman, J. G.; Ortmanns, M.
A 600MS/s 10-bit SAR ADC with unit via-based delta-length C-DAC in 22nm FDSOI
Accepted at IEEE International Symposium on Circuits and Systems (ISCAS), Singapur
May 2024
614.
Conrad, J.; Wilhelmstätter, S.; Asthana, R.; Belagiannis, V.; Ortmanns, M.
Too-Hot-to-Handle: Insights into Temperature and Noise Hyperparameters for Differentiable Neural-Architecture-Searches
Accepted at 6th IEEE International Conference on Artificial Intelligence Circuits and Systems (AICAS), Abu-Dhabi, UAE
April 2024
613.
Wilhelmstätter, S.; Conrad, J.; Upadhyaya, D.; Polian, I.; Ortmanns, M.
Attacking a Joint Protection Scheme for Deep Neural Network Hardware Accelerators and Models
Accepted at 6th IEEE International Conference on Artificial Intelligence Circuits and Systems (AICAS), Abu Dhabi, UAE
April 2024
612.
Sporer, M.; Vasilaș, I.-G.; Adžemović, A.; Graber, N.; Reich, S.; Gueli, C.; Eickenscheidt, M.; Diester, I.; Stieglitz, T.; Ortmanns, M.
NeuroBus - Architecture for an Ultra-Flexible Neural Interface
IEEE Transactions on Biomedical Circuits and Systems ( Early Access ), Pages: 1 - 16
January 2024
DOI:10.1109/TBCAS.2024.3354785

2023

611.
Kässer, P.; Wagner, J.; Ismail, O.; Driemeyer, B.; Ortmanns, M.
Quantizer Gain in Incremental Delta-Sigma ADCs
30th IEEE International Conference on Electronics, Circuits and Systems (ICECS), Istanbul, Turkiye, pp. 1-4
December 2023
DOI:10.1109/ICECS58634.2023.10382904
610.
Wiens, D.-P.; Sporer, M.; Driemeyer, B.; Ortmanns, M.
A Mixed-Signal Integrator-Differentiator-TIA
IEEE Transactions on Circuits and Systems--II: Express Briefs
September 2023
DOI:10.1109/TCSII.2023.3318725
609.
Kässer, P.; Ismail, O.; Wagner, J.; Fischer, R.; Ortmanns, M.
Frequency-Domain Analysis of Reconfigured Incremental ΔΣ ADCs on the Example of the Exponential Phase
IEEE Transactions on Circuits and Systems I: Regular Papers
September 2023
DOI:10.1109/TCSI.2023.3310655
608.
Mokhtar, M. A.; Ismail, O.; Vogelmann, P.; Kauffman, J. G.; Ortmanns, M.
A 40 kS/sCalibration-Free Incremental △Σ ADC Achieving 104 dB DR and 105.7 dB SFDR
ESSCIRC 2023- IEEE 49th European Solid State Circuits Conference (ESSCIRC), Lisbon, Portugal, pp. 401-404
September 2023
DOI:10.1109/ESSCIRC59616.2023.10268735
607.
Ungethüm, J.; Pietzko, M.; Abdelaal, A.; Kauffman, J. G.; Ortmanns, M.
A Chopped 6-bit 1.6 GS/s SAR ADC Utilizing Slow Decision Information in 22 nm FDSOI
ESSCIRC 2023- IEEE 49th European Solid State Circuits Conference (ESSCIRC)
September 2023
DOI:10.1109/ESSCIRC59616.2023.10268704
606.
Jang, MH.; Tang, X.; Lim, Y.; Kauffman, J. G.; Sun, L.; Ortmanns, M.; Chae, Y.
Design Techniques for Energy Efficient Analog-to-Digital Converters
IEEE Open Journal of the Solid-State Circuits Society
September 2023
DOI:10.1109/OJSSCS.2023.3311418
605.
Chae, Y.; Lopez, C. M.; Makinwa, K. A. A.; Ortmanns, M.; Sansen, W.
A Glimpse of the History of Analog ICs: A Tale of Amplifiers, Data Converters, and Sensor Interfaces
IEEE Solid-State Circuits Magazine
August 2023
DOI:10.1109/MSSC.2023.3282557
604.
Reich, S.; Sporer, M.; Ortmanns, M.
A Time-Domain Charge-Balancing Method for Neuromodulators
21st IEEE Interregional NEWCAS Conference (NEWCAS), Edinburgh, Scotland
June 2023
603.
Reich, S.; Sporer, M.; Ortmanns, M.
A Flexible Power Management System-On-Chip for Implantable Brain-Machine-Interfaces
21st IEEE Interregional NEWCAS Conference (NEWCAS), Edinburgh, Scotland
June 2023
602.
Pietzko, M.; Spiess, J.; Ungethüm, J.; Kauffman, J. G.; Li, Q.; Ortmanns, M.
Bitwise ELD Compensation under Integrator Nonidealities in ΔΣ Modulators
21st IEEE Interregional NEWCAS Conference (NEWCAS), Edinburgh, United Kingdom
June 2023
DOI:10.1109/NEWCAS57931.2023.10198050
601.
Sporer, M.; Graber, N.; Reich, S.; Gueli, C.; Becker, J.; Stieglitz, T.; Ortmanns, M.
NeuroBus – Architecture and Communication Bus for an Ultra-Flexible Neural Interface
IEEE International Symposium on Circuits and Systems (ISCAS), Monterey, CA, USA
May 2023
DOI:10.1109/ISCAS46773.2023.10181816
600.
Pietzko, M.; Ungethüm, J.; Kauffman, J. G.; Ortmanns, M.
Delay Error Shaping in ΔΣ Modulators Using Time-Interleaved High Resolution Quantizers
IEEE Transactions on Circuits and Systems I: Regular Papers
May 2023
DOI:10.1109/TCSI.2023.3269573
599.
Kässer, P.; Ismail, O.; Rudorf, C.; Wagner, J.; Ortmanns, M.
Linear-Exponential I-DS ADCs: Analysis, Limitations and Higher Order
IEEE International Symposium on Circuits and Systems (ISCAS), Monterey, CA, USA, pp. 1-5
May 2023
DOI:10.1109/ISCAS46773.2023.10182215
598.
Dalla Longa, M.; Conzatti, F.; Ceballos, J.L.; Ortmanns, M.
On the Intrinsic Linearity Limitations of Single-Bit Delta Sigma Modulators
IEEE International Symposium on Circuits and Systems (ISCAS)
May 2023
DOI:10.1109/ISCAS46773.2023.10181538
597.
Lippmann, B.; Hatsch, J.; Seidl, S.; Houdeau, D.; Subrahmanyam, N. P.; Schneider, D.; Safieh, M.; Passarelli, A.; Maftun, A.; Brunner, M.; Music, T.; Pehl, M.; Siddiqui, T.; Brederlow, R.; Schlichtmann, U.; Driemeyer, B.; Ortmanns, M.; Hesselbarth, R.; Hiller, M.
VE-FIDES: Designing Trustworthy Supply Chains Using Innovative Fingerprinting Implementations
Design, Automation & Test in Europe Conference & Exhibition (DATE)
April 2023
DOI:10.23919/DATE56975.2023.10137026
596.
Dalla Longa, M.; Conzatti, F.; Hofmann, T.; Kauffman, J. G.; Ortmanns, M.
An Intrinsically Linear 13-Level Capacitive DAC for Delta Sigma Modulators
IEEE Transactions on Circuits and Systems II: Express Briefs
April 2023
DOI:doi.org/10.1109/TCSII.2022.3224878
595.
Reich, S.; Fritschi, D.; Sporer, M.; Ortmanns, M.
In Vitro Study of Artifact-Recovery Using a 32-Channel Neuromodulator Platform
IEEE Transactions on Circuits and Systems I: Regular Papers (Early Access)
March 2023
DOI:10.1109/TCSI.2023.3255549
594.
Chan, C.-H.; Zhu, Y.; Qi, L.; Sin, S.-W.; Ortmanns, M.; Martins, R. P.
High-Performance Oversampling ADCs
Paulo da Silva Martins, R., Mak, PI. (eds) Analog and Mixed-Signal Circuits in Nanoscale CMOS. Analog Circuits and Signal Processing. Springer, Cham. Edition
January 2023
DOI:doi.org/10.1007/978-3-031-22231-3_5

2022

593.
Mokhtar, M. A.; Abdelaal, A.; Sporer, M.; Becker, J.; Kauffman, J. G.; Ortmanns, M.
A 0.9-V DAC-Calibration-Free Continuous-Time Incremental Delta-Sigma Modulator Achieving 97-dB SFDR at 2 MS/s in 28-nm CMOS
IEEE Journal of Solid-State Circuits, Volume: 57, Issue: 11
November 2022
DOI:10.1109/JSSC.2022.3160325
592.
Sporer, M.; Reich, S.; Mandry, H.; Becker, J.; Ortmanns, M.
A Wireless Headstage Prototype Based on a Neurorecorder IC
IEEE Biomedical Circuits and Systems Conference (BioCAS), Taipei, Taiwan
October 2022
DOI:10.1109/BioCAS54905.2022.9948554