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

Papers

2010

110.
Xu, H.; Ortmanns, M.
Highly Efficient Fully Integrated CMOS Rectifiers
Kleinheubacher Tagung 2010 (KHT 2010), Miltenberg, Germany
October 2010
109.
Noorsal, E.; Sooksood, K.; Xu, H.; Ortmanns, M.
A Universal Functional Electrical Stimulation Platform for Rapid Prototyping
DGBMT Jahrestagung (BMT 2010), Rostock-Warnemünde, Germany
October 2010
108.
Bihr, U.; Ortmanns, M.
Entwurf eines frequenz-separierten Aufnahmekanals für neuronale Signale in 0.35µm CMOS
Kleinheubacher Tagung 2010 (KHT 2010), Miltenberg, Germany
October 2010
107.
Anis, M.; Ortmanns, M.; Wehn, N.
RF Spectrum Sensing Technique for Cognitive UWB Radio Network
In Proceeding of European Solid-State Circuits Conference (ESSCIRC), Sevilla, Spain
September 2010
106.
Noorsal, E.; Ortmanns, M.
An Architecture for a Universal Neural Stimulator with almost Arbitrary Current Waveform
32nd Annual Int. Conference of the IEEE Engineering in Medicine and Biology Society (EMBC 2010), Buenos Aires, Argentina
September 2010
105.
Witte, P.; Ortmanns, M.
Background DAC Error Estimation Using a Pseudo Random Noise Based Correlation Technique for Sigma-Delta Analog-to-Digital Converters.
IEEE Transactions on Circuits and Systems I: Regular Papers, Vol. 57
July 2010
104.
Zahabi, A.; Anis, M.; Ortmanns, M.
A Reconfigurable Integrated Transmission Line Sigma Delta Modulator for the UWB/WLAN Receiver
IEEE Conference on Ph.D. Research in Microelectronics & Electronics (PRIME), pp. 1-4, Berlin, Germany
July 2010
103.
Sooksood, K.; Stieglitz, T.; Ortmanns, M.
An Active Approach for Charge Balancing in Functional Electrical Stimulation
IEEE Transactions on Biomedical Circuits and Systems, Vol. 4, No. 3, pp. 162-170
June 2010
102.
Zahabi, A.; Ortmanns, M.
Study on Integrated Transmission Line ΣΔ Modulators
IEEE International Symposium on Circuits and Systems (ISCAS), pp. 2151-2154, Paris, France
May 2010
101.
Witte, P.; Noeske, C.; Ortmanns, M.
Hardware Complexity of a Correlation Based Background DAC Error Estimation Technique for Sigma-Delta ADCs
IEEE International Symposium on Circuits and Systems (ISCAS), Paris, France
May 2010
100.
Anis, M.; Ortmanns, M.; Wehn, N.
3.6-to-4.4 GHz UWB Impulse Transmitter and 402-to-405MHz Super-regenerative Receiver for Medical Implant Devices
Proc. 11th annual IEEE Wireless and Microwave Technology (WAMI) Conference, Melbourne Beach, USA
April 2010
99.
Anis, M.; Ortmanns, M.; Wehn, N.
Fully Integrated Low Power Self-Quenched Super-Regenerative Impulse-FM-UWB Transceiver for WBAN
Proc. IEEE International Symposium on VLSI Design, Automation & Test (VLSI-DAT), Hsinchu, Taiwan
April 2010
98.
Anis, M.; Ortmanns, M.; Wehn, N.
Low Power Super-regenerative Impulse-FM-UWB Transceiver for WBAN
Proc. 11th annual IEEE Wireless and Microwave Technology (WAMI) Conference, Melbourne Beach, Florida, USA
April 2010
97.
Witte, P.; Noeske, C.; Ortmanns, M.
Practical Considerations and Hardware Complexity of a Background DAC Error Estimation for Sigma-Delta ADCs
11. ITG/GMM-Fachtagung Analog, Erfurt, Deutschland
March 2010
96.
Ortmanns, M.
Schaltungsentwurf für implantierbare Neurostimulatoren
invited to Tutorials zur Medizintechnik, Analog 2010, Erfurt, Germany
March 2010
95.
Lorenz, M.; Becker, J.; Ortmanns, M.
Vergleich heuristischer Algorithmen zur Synthese analoger Filter auf einer FPAA-basierenden Harwareplattform
11. ITG/GMM-Fachtagung Analog, Erfurt, Deutschland
March 2010
94.
Anis, M.; Ortmanns, M.; Wehn, N.
Fully Integrated UWB Impulse Transmitter and 402-to-405MHz Super-Regenerative Receiver for Medical Implant Devices
Proc. IEEE International Symposium on Circuits and Systems, Paris, France
January 2010
93.
Ortmanns, M.
Teaching Analog CMOS in the DSM Era - Devices, Designs and Tools
European Workshop on Microelectronics Education, EWME, Darmstadt, Germany
2010

2009

92.
Mohamed, S. A.; Manoli, Y.; Ortmanns, M.
A CMOS Passive Mixer for Direct-Conversion Receivers
IEEE Midwest Symposium on Circuits and Systems (MWSCAS), IEEE, Cancun, Mexico
November 2009
91.
Mohamed, S. A.; Manoli, Y.; Ortmanns, M.
A Differential Common-Gate Class-E Power Amplifier with Positive-Negative Feedback
IEEE Midwest Symposium on Circuits and Systems (MWSCAS), IEEE, Cancun, Mexico
November 2009
90.
Afifi, M.; Keller, M.; Manoli, Y.; Ortmanns, M.
Excess Loop Delay Compensation Technique For Tunable Bandpass Delta Sigma Modulators
IEEE Midwest Symposium on Circuits and Systems (MWSCAS), IEEE, Cancun, Mexico
November 2009
89.
Zahabi, A.; Anis, M.; Ortmanns, M.
Fully integrated Sigma-Delta Modulators based on Transmission lines
Kleinheubacher Tagung, Miltenberg, Germany
October 2009
88.
Buhmann, A.; Keller, M.; Maurer, M.; Ortmanns, M.; Manoli, Y.
DISCO: a graphical methodology for the design of Sigma-Delta modulators
Analog Integrated Circuits and Signal Processing, Springer, Vol. 60, Nr. 1-2, pp. 3-11
August 2009
87.
Peters, C.; Handwerker, J.; Henrici, F.; Ortmanns, M.; Manoli, Y.
Experimental Results on Power Efficient Single-Poly Floating Gate Rectifiers
IEEE Int. Symposium on Circuits and Systems (ISCAS'09), Taipei, Taiwan
May 2009
86.
Ortmanns, M.
Safety Issues and Circuit Implementation for Retinal Stimulators
invited to Forum: Integrated Neural Interfaces, IEEE Int. Conf. on Solid State Circuits (ISSCC), San Francisco, USA
February 2009

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