Publications - Prof. Dr.-Ing. M. Ortmanns

Papers

2018

291.
Lv, L.; Jain, A.; Zhou, X.; Becker, J.; Li, Q.; Ortmanns, M.
A 0.4-VGm–CProportional-Integrator-Based Continuous-TimeΔΣModulator With 50-kHz BW and 74.4-dB SNDR
IEEE Journal of Solid-State Circuits, Volume: 53 , Issue: 11, Page s: 3256 - 3267
2018
290.
Lanniel, A.; Alpert, T.; Boeser, T.; Ortmanns, M.
Evaluation of Frontend Readout Circuits for High Performance Automotive MEMS Accelerometers
14th Conference on Ph.D. Research in Microelectronics and Electronics (PRIME), Prague, Czech Republic, pp. 229-232
2018
DOI:10.1109/PRIME.2018.8430313

2017

289.
Schlecker, B.; Chu, A.; Handwerker, J.; Künstner, S.; Ortmanns, M.; Lips, K.; Anders, J.
VCO-Based ESR-on-a-Chip As a Tool for Low-Cost, High-Sensitivity Point-of-Care Diagnostics
IEEE SENSORS 2017, Glasgow, Scotland, UK
October 2017
288.
Schlecker, B.; Chu, A.; Handwerker, J.; Künstner, S.; Ortmanns, M.; Lips, K.; Anders, J.
Live Demonstration: a VCO-Based Point-of-Care ESR Spectrometer
2017 IEEE SENSORS, Glasgow, Scotland, UK
October 2017
287.
Handwerker, J.; Schlecker, B.; Ortmanns, M.
Integrated Circuit Technology for Next Generation Point-of-Care Spectroscopy Applications
IEEE Communications Magazine, vol. 55, no. 10, pp. 143–151
October 2017
286.
Chu, A.; Schlecker, B.; Handwerker, J.; Künstner, S.; Ortmanns, M.; Lips, K.; Anders, J.
VCO-Based ESR-on-a-Chip As a Tool for Low-Cost, High-Sensitivity Food Quality Control
2017 IEEE Biomedical Circuits and Systems Conference (BioCAS), Torino, Italy
October 2017
285.
Rajabzadeh, M.; Becker, J.; Ortmanns, M.
Evaluation of Single-Bit Sigma-Delta Modulator DAC for Electrical Impedance Spectroscopy
2017 IEEE Biomedical Circuits and Systems Conference (BioCAS), Torino, Italy
October 2017
284.
Pagin, M.; Ortmanns, M.
A Neural Data Lossless Compression Scheme Based on Spatial and Temporal Prediction
2017 IEEE Biomedical Circuits and Systems Conference (BioCAS), Torino, Italy
October 2017
283.
Becker, J.; Pellhammer, D.; Preißner, P.; Glöggler, J. C.; Lapatki, B. G.; Ortmanns, M.
An implant for wireless in situ measurement of lip pressure with 12 sensors
2017 IEEE Biomedical Circuits and Systems Conference (BioCAS), Torino, Italy
October 2017
282.
Chu, A.; Schlecker, B.; Handwerker, J.; Künstner, S.; Ortmanns, M.; Lips, K.; Anders, J.
Live demonstration: A VCO-based point-of-care ESR spectrometer
2017 IEEE Biomedical Circuits and Systems Conference (BioCAS), Torino, Italy
October 2017
281.
Djekic, D.; Fantner, G.; Behrends, J.; Lips, K.; Ortmanns, M.; Anders, J.
A Transimpedance Amplifier Using a Widely Tunable PVT-Independent Pseudo-Resistor for High-Performance Current Sensing Applications
43rd European Solid State Circuits Conference (ESSCIRC), Leuven, Belgium
September 2017
280.
Haas, M.; Rajabzadeh, M.; Ortmanns, M.
Performance evaluation of state-of-the-art neural recorder SoCs
BMT 2017, Dresden, Germany
September 2017
279.
Djekic, D.; Lips, K.; Behrends, J.; Fantner, G.; Ortmanns, M.; Anders, J.
Linearisierter, Temperatur- und Prozess-unabhängiger Transimpedanzverstärker für hochsensitive Stromausleseschaltungen
Kleinheubacher Tagung, Miltenberg, Germany
September 2017
278.
Al Marashli, A.; Anders, J.; Becker, J.; Ortmanns, M.
A high linearity SAR ADC employing Sigma-Delta DAC
Kleinheubacher Tagung, Miltenberg, Germany
September 2017
277.
Schlecker, B.; Handwerker, J.; Ullrich, H.; Ortmanns, M.; Luy, B.; Lips, K.; Anders, J.
Zero dead time inductive spin detection using LC-tank VCOs
Euromar 2017, Warschau, Polen
July 2017
276.
Anders, J.; Chu, A.; Handwerker, J.; Schlecker, B.; Ortmanns, M.; Künstner, S.; Möser, J.; Lips, K.
Energy-based modeling of CMOS voltage-controlled oscillators for continuous-wave- and rapid scan ESR experiments
59th Rocky Mountain Conference on Magnetic Resonance, Quebec, Canada
July 2017
275.
Pagin, M.; Ortmanns, M.
Evaluation of Logarithmic vs. Linear ADCs for Neural Signal Acquisition and Reconstruction
39th Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC'17), Jeju Island, South Korea
July 2017
274.
Haas, M.; Schweizer, B.; Anders, J.; Ortmanns, M.
A miniaturized UWB antenna for implantable data telemetry
International Conference of the IEEE Engineering in Medicine an Biology Society (EMBC) 2017, JeJu, Korea
July 2017
273.
Pagin, M.; Becker, J.; Ortmanns, M.
Evaluation of Spike Sorting and Compression for Digitally Reconfigurable Non-Uniform Quantization
IEEE 15th International NEWCAS Conference, Strasbourg, France
June 2017
272.
Al Marashli, A.; Anders, J.; Becker, J.; Ortmanns, M.
A 107 dB SFDR, 80 kS/s Nyquist-rate SAR ADC using a hybrid capacitive and incremental Σ∆ DAC
2017 Symposium on VLSI Circuits (VLSI Circuits), Kyoto, Japan
June 2017
271.
Handwerker, J.; Perez-Rodas, M.; Ortmanns, M.; Scheffler, K.; Anders, J.
Towards CMOS-based In-vivo NMR Spectroscopy and Microscopy
IEEE International Symposium on Circuits and Systems (ISCAS 2017), Baltimore, USA
May 2017
270.
Chi, J.; Wagner, J.; Anders, J.; Ortmanns, M.
Digital Interferer Suppression and Jitter Reduction in Continuous-Time Bandpass Sigma Delta Modulators
IEEE International Symposium on Circuits and Systems (ISCAS 2017), Baltimore, USA
May 2017
269.
Wagner, J.; Chi, J.; Ortmanns, M.
Designing CT Bandpass Sigma-Delta Modulators with Arbitrary STF Shapes
IEEE International Symposium on Circuits and Systems (ISCAS 2017), Baltimore, USA
May 2017
268.
Schlecker, B.; Ortmanns, M.; Fantner, G.; Anders, J.
Single-cycle AM-Demodulation für Echtzeit-AFM-Anwendungen der nächsten Generation
19. Analog Workshop 2017, Berlin, Germany
March 2017

2016

267.
Chi, J.; Ritter, R.; Wagner, J.; Ortmanns, M.
Phase Noise vs. Jitter Analysis in Continuous-Time LP and BP Sigma Delta Modulators with Interferers
23rd IEEE International Conference on Electronics, Circuits and Systems (ICECS), Monaco
December 2016

Books

2023

9.
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

2021

8.
Haas, M.; Ortmanns, M.
Neural Stimulation Circuits
Publisher: River Publishers
Selected Topics in Biomedical Circuits and Systems, Eds Minkyu Je and Myung Hoon Sunwoo Edition
February 2021
ISBN:9788770221481

2019

7.
Vogelmann, P.; Mokhtar, M. A.; Luo, Y.; Ortmanns, M.
Next-Generation ADCs, High-Performance Power Management, and Technology Considerations for Advanced Integrated Circuits: Advances in Analog Circuit Design 2019
Publisher: Springer
2019
ISBN:978-3030252663

2016

6.
Ortmanns, M.; Ritter, R.; Chi, J.
ΣΔ ADCs with Improved Interferer Robustness
Volume Wideband Continuous-time SD-ADCs, Automotive Electronics, and Power Management: Advances in Analog Circuit Design 2016
Publisher: Springer
2016
ISBN:978-3319416694

2014

5.
Brückner, T.; Ortmanns, M.
Automated Design of High-Speed Continuous-Time Sigma-Delta Modulators employing Compensation and Correction of Non-Idealities, in High-Performance AD and DA Converters, IC Design in Scaled Technologies, and Time-Domain Signal Processing
Publisher: Springer
2014

2007

4.
Ortmanns, M.; Buhmann, A.; Manoli, Y.
Interface Circuits in Comprehensive Microsystems
Publisher: Elsevier Pubs.
2007

2006

3.
Buhmann, A.; Keller, M.; Ortmanns, M.; Gerfers, F.; Manoli, Y.
Time-Continuous Delta-Sigma A/D Converters - From Theory to Practical Implementation
Publisher: in Advanced Signal Processing, Circuits, and Systems Design Techniques for Communications, (eds. Paliouras, V.; Stouraitis, Th.; Ioinovici, A.)
2006

2005

2.
Ortmanns, M.; Gerfers, F.
Continuous-Time Sigma-Delta A/D Conversion, Fundamentals, Error Correction and Robust Implementations
Publisher: Springer Pubs.
2005

2003

1.
Ortmanns, M.
Error Compensation in Continuous-Time Sigma-Delta A/D Converters
Publisher: PhD Thesis, Albert-Ludwigs-University Freiburg
2003

Patents

  1. A. Herkle, J. Becker, M. Ortmanns
    [DE] Verfahren und Vorrichtung zur Erzeugung einer digitalen Signatur
    DE102016204055A1, Patent record available from the German Patent
    2016

  2. R. Ritter, M. Schimper, W. Schelmbauer, M. Ortmanns
    Analog-to-digital converter, signal processor, and method for analog-to-digital conversion.
    US8760330, Patent record available from the US Patent Office
    2014

  3. A. Rocke, M. Ortmanns und N. Unger
    Device for controlling the electric charge on stimulation electrodes.
    EP1827591, Patent record available from the European Patent
    2007

  4. M. Ortmanns, Y. Manoli und F. Gerfers
    Controlled power source, in particular for a digital/analogue converter in continuous time sigma/delta modulators.

    EP1550222, Patent record available from the European Patent
    2005

  5. A. Rocke, M. Ortmanns und N. Unger
    Device for controlling the electric charge on stimulation electrodes.
    WO06063743, Patent record available from the World Intellectual Property Organization (WIPO)
    2006

  6. M. Ortmanns und Y. Manoli
    Method for the characterisation of and for the automatic correction of linear errors in analog/digital converters.

    WO05078936, Patent record available from the World Intellectual Property Organization (WIPO)
    2005

  7. M. Ortmanns, Y. Manoli und F. Gerfers
    Controlled power source, in particular for a digital/analogue converter in continuous time sigma/delta modulators.
    WO04034588, Patent record available from the World Intellectual Property Organization (WIPO)
    2004

  8. M. Ortmanns, Y. Manoli und F. Gerfers
    Controlled current source, in particular for digital/analogue converters in continuous-time sigma/delta modulators.

    US7151474, Patent record available from the US Patent Office
    2006

  9. M. Ortmanns, Y. Manoli und F. Gerfers
    Controlled power source, in particular for a digital/analogue converter in continuous time sigma delta modulators.
    US20060055580, Patent record available from the US Patent Office
    2006