Publications (Total)

2022

590.
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 ( Early Access )
November 2022
DOI:doi.org/10.1109/TCSII.2022.3224878
589.
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
588.
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
587.
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
586.
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
585.
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
584.
Sporer, M.; Reich, S.; Kauffman, J. G.; Ortmanns, M.
A Direct Digitizing Chopped Neural Recorder Using a Body-Induced Offset Based DC Servo Loop
IEEE Transactions on Biomedical Circuits and Systems
June 2022
DOI:10.1109/TBCAS.2022.3177241
583.
Reich, S.; Kunze, G.; Sporer, M.; Ortmanns, M.
Analysis of Chopper Ripple Reduction by Delayed Sampling
SMACD / PRIME 2022; International Conference on SMACD and 17th International Conference on PRIME, pp. 1-4
June 2022
582.
Reich, S.; Fritschi, D.; Sporer, M.; Ortmanns, M.
Artifact-Recovery in Neuromodulators using Tunable High-Pass Corners
20th IEEE International NEWCAS Conference, Québec, Canada
June 2022
581.
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
580.
Reich, S.; Fritschi, D.; Sporer, M.; Ortmanns, M.
An Experimental Reliability Study of Pseudo-Resistors in Biomedical Applications
IEEE International Symposium on Circuits and Systems (ISCAS), Austin, TX, USA
May 2022
579.
Pietzko, M.; Ungethüm, J.; Kauffman, J. G.; Li, Q.; Ortmanns, M.
Bitwise ELD Compensation in ∆Σ Modulators
IEEE International Symposium on Circuits and Systems (ISCAS), Austin, USA
May 2022
DOI:10.1109/ISCAS48785.2022.9937305
578.
Qi, L.; Liu, Y.; Sin, S.-W.; Xing, X.; Wang, G.; Ortmanns, M.; Martins, R. P.
Wideband Continuous-time MASH Delta-Sigma Modulators: A Tutorial Review
IEEE Transactions on Circuits and Systems II: Express Briefs
March 2022
DOI:10.1109/TCSII.2022.3163766

2021

577.
Mokhtar, M. A.; Merkle, M.; Kauffman, J. G.; Ortmanns, M.
A Comparative Study of Noise Behavior in Single-Opamp Resonators in Delta-Sigma Modulators
28th IEEE International Conference on Electronics, Circuits, and Systems (ICECS), Dubai, UAE
November 2021
576.
Ungethüm, J.; Kauffman, J. G.; Ortmanns, M.
Digital Resolution Requirements in 0-X Mash Delta-Sigma-Modulators
2021 IEEE International Conference on Electronics Circuits and Systems (ICECS)
November 2021
575.
Lanniel, A.; Boeser, T.; Alpert, T.; Ortmanns, M.
Low-Noise Readout Circuit for an Automotive MEMS Accelerometer
IEEE Open Journal of the Solid-State Circuits Society, vol. 1, pp. 140-148
September 2021
DOI:10.1109/OJSSCS.2021.3116125
574.
Ortmanns, M.
Wideband and Low-Power Delta-Sigma ADCs: State of the Art, Trends and Implementation Examples
IEEE 47th European Solid State Circuits Conference (ESSCIRC)
September 2021
DOI:10.1109/ESSCIRC53450.2021.9567861
573.
Reich, S.; Sporer, M.; Haas, M.; Becker, J.; Schüttler, M.; Ortmanns, M.
A High-Voltage Compliance, 32-Channel Digitally Interfaced Neuromodulation System on Chip
IEEE Journal of Solid-State Circuits, vol. 56, issue 8, pp. 2476-2487
August 2021
DOI:10.1109/JSSC.2021.3076510
572.
Wagner, J.; Miki, T.; Ortmanns, M.
Compensation of Finite GBW in CT Baddpass SDMs Based on Single-OpAmp Resonators with Positive-Feedback
IEEE 64th International Midwest Symposium on Circuits and Systems (MWSCAS)
August 2021
571.
Ungethüm, J.; Kauffman, J. G.; Ortmanns, M.
Minimizing Signal-Dependent Residue in CT Pipelined ADCs
2021 IEEE International Midwest Symposium on Circuits and Systems (MWSCAS)
August 2021
570.
Sporer, M.; Graber, N.; Moll, S.; Reich, S.; Ortmanns, M.
Implementation of a Low Power Decimation Filter in a 180 nm HV-CMOS Technology for a Neural Recording Front-End
SMACD / PRIME 2021; International Conference on SMACD and 16th Conference on PRIME, pp. 1-4.
July 2021
569.
Müelich, S.; Mandry, H.; Ortmanns, M.; Fischer, R.
A Multilevel Coding Scheme for Multi-Valued Physical Unclonable Functions
IEEE Transactions on Information Forensics and Security
June 2021
DOI:10.1109/TIFS.2021.3089883
568.
Ezekwe, C.; Ganta, S.; Xing, X.; Grad, A.; Mayer, T.; Visconti, A.; Diazzi, F.; Chen, M.; Morton, D.; Valli, L.; Wolf, R.; Eghtesadi, A.; Wolfer, T.; Pietzko, M.; Grathwohl, A.; Northemann, T.; Schoenleber, R.; Khalilyulin, R.; Mukhopadhyay, I.; Negut, A.; Kosov, A.; Serafin, A.; Hayek, J.; Sun, L.
A direct-digitization open-loop gyroscope frontend with +/-8000°/s full-scale range and noise floor of 0.0047°/s/√Hz
Symposium on VLSI Circuits, 2021, pp. 1-2
June 2021
DOI:10.23919/VLSICircuits52068.2021.9492404
567.
Reich, S.; Sporer, M.; Ortmanns, M.
A Chopped Neural Front-end featuring Input Impedance Boosting with suppressed offset-induced charge transfer
IEEE Transactions on Biomedical Circuits and Systems
May 2021
DOI:10.1109/TBCAS.2021.3080398
566.
Abdelaal, A.; Pietzko, M.; Mokhtar, M. A.; Kauffman, J. G.; Ortmanns, M.
FIR filter with Symmetric Non-Equal Coefficients for CT Delta-Sigma Modulators
IEEE International Symposium on Circuits and Systems (ISCAS), Daegu, Korea (Online)
May 2021