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

Papers

2002

10.
Gerfers, F.; Hack, C.; Ortmanns, M.; Manoli, Y.
A 1.2V, 200µW Rail-to-Rail OpAmp with 90dB THD using Replica Gain Enhancement
European Solid-State Circuits Conference, Florence, Italy
2002
9.
Samid, L.; Gerfers, F.; Ortmanns, M.; Manoli, Y.
A new kind of low power multibit third order CT-lowpass modulator
IEEE Symposium on Circuits and Systems, Phoenix, USA
2002
8.
Gerfers, F.; Soh, K. M.; Ortmanns, M.; Manoli, Y.
Figure of Merit based Design Strategy for Low-Power Continuous-Time Sigma-Delta Modulators
IEEE Symposium on Circuits and Systems, Phoenix, USA
2002
7.
Gerfers, F.; Ortmanns, M.; Samid, L.; Manoli, Y.
Implementation of a 1.5V Low-Power Clock-Jitter Insensitive Continuous-Time Sigma-Delta Modulator
IEEE Symposium on Circuits and Systems, Phoenix, USA
2002

2001

6.
Ortmanns, M.; Gerfers, F.; Manoli, Y.
Clock Jitter Insensitive Continous-Time Sigma-Delta Modulators
Int. Conf. on Electronics, Circuits and Systems, Sydney, Australia
2001
5.
Ortmanns, M.; Gerfers, F.; Manoli, Y.
On the Synthesis of Cascaded Continuous Time Sigma-Delta Modulators
V419-V422, IEEE Int. Symp. on Circuits and Systems, Sydney, Australia
2001
4.
Ortmanns, M.; Gerfers, F.; Samid, L.; Manoli, Y.
Successful Design of Cascaded Continous-Time Sigma-Delta Modulators
Int. Conf. on Electronics, Circuits and Systems, Malta
2001
3.
Ortmanns, M.; Gerfers, F.; Manoli, Y.
A 12 Bit Power Efficient Continuous-Time Sigma-Delta Modulator with 250?W Power Consumption
European Solid-State Circuits Conference, Villach, Austria
2001

2000

2.
Ortmanns, M.; Gerfers, F.; Manoli, Y.; Michel, A.; Meese, E.; Maas, R.
Direkte Detektion hybridisierter DNA auf der Oberfläche mikroelektronischer Chips
A. Wisser, W. Nachtigall (Eds.): BIONA-report 14, Akad. Wiss. Lit., Mainz, GTBB, Saarbrücken, pp. 184-187
2000
1.
Ortmanns, M.; Huang, X.; Manoli, Y.
Neue DAU-Rückkopplung für zeitkontinuierliche Sigma-Delta Modulatoren
Workshop Mikroelektronik für die Informationstechnik, VDE-ITG, pp. 221-226, Darmstadt, Germany
2000

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