Publications (Total)

2023

610.
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
609.
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
608.
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
607.
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
606.
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
605.
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
604.
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
603.
Reich, S.; Sporer, M.; Ortmanns, M.
A Time-Domain Charge-Balancing Method for Neuromodulators
21st IEEE Interregional NEWCAS Conference (NEWCAS), Edinburgh, Scotland
June 2023
602.
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
601.
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
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
591.
Zhang, J.; Sin, S.-W.; Liu, Y.; Ye, F.; Wang, G.; Ortmanns, M.; Qi, L.
On the Synthesis of Continuous-Time Sturdy MASH Delta-Sigma Modulators
IEEE Transactions on Circuits and Systems II: Express Briefs
October 2022
DOI:10.1109/TCSII.2022.3212059
590.
Reich, S.; Ammann, P.; Sporer, M.; Ortmanns, M.
An Onchip Electrode Impedance Estimation achieving 1.2 dB 3σ-Accuracy with Minimum Hardware Overhead
IEEE Biomedical Circuits and Systems Conference (BioCAS), Taipeh, Taiwan
October 2022
589.
Driemeyer, B.; Mandry, H.; Wiens, D.-P.; Becker, J.; Ortmanns, M.
PUF-Entropy Extraction of DAC Intersymbol-Interference using Continuous-Time Delta-Sigma ADCs
IEEE International Conference on Electronics, Circuits and Systems (ICECS)
October 2022
DOI:10.1109/ICECS202256217.2022.9971072
588.
Reich, S.; Sporer, M.; Becker, J.; Rieger, S. B.; Schüttler, M.; Ortmanns, M.
A 32-ch Neuromodulator with redundant Voltage Monitors avoiding Blocking Capacitors
IEEE ESSDERC/ESSCIRC 2022, Milan, Italy
September 2022
587.
Häberle, M.; Djekic, D.; Krüger, D.; Rajabzadeh, M.; Ortmanns, M.; Anders, J.
An Integrator-Differentiator Transimpedance Amplifier Using Tunable Linearized High-Value Multi-Element Pseudo-Resistors
IEEE Transactions on Circuits and Systems--I: Regular Papers
August 2022
DOI:10.1109/TCSI.2022.3174174
586.
Wagner, J.; Mokhtar, M. A.; Ortmanns, M.
Automated Design of Sigma-Delta Modulators with FIR Feedback
IEEE International Symposium on Circuits and Systems (ISCAS), Austin, USA
June 2022