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

Papers

2011

118.
Brückner, T.; Zorn, C.; Mathis, W.; Ortmanns, M.
A single DAC CT ΣΔ Modulator with Butterworth STF characteristic
The 54th IEEE International Midwest Symposium on Circuits and Systems (MWSCAS), Seoul, South Korea
August 2011
117.
Anis, M.; Ortmanns, M.; Wehn, N.
A 2.5mW 2Mb/s Fully Integrated Impulse-FM-UWB Transceiver in 0.18um CMOS
In Proceeding of International Microwave Symposium (IMS), Baltimore, USA
June 2011
116.
Zorn, C.; Stegmann, S.; Brückner, T.; Ortmanns, M.; Mathis, W.
A Novel Optimization Method for CT Sigma-Delta-Modulators Using a Switched System Model
The IEEE International Symposium on Circuits and Systems, Rio de Janeiro, Brazil
May 2011
115.
Witte, P.; Kauffman, J. G.; Becker, J.; Ortmanns, M.
A digital background correction for DAC nonlinearities in lowpass and bandpass delta-sigma modulators - theory and implementation
The 9th Int. Conf. on Sampling Theory and Applications (SampTA), Singapore
May 2011
114.
Kauffman, J. G.; Witte, P.; Becker, J.; Ortmanns, M.
An 8mW 50MS/s CT ΔΣ Modulator with 81dB SFDR and Digital Background DAC Linearization
IEEE Int. Conf. on Solid State Circuits (ISSCC), San Francisco, USA
February 2011
113.
Sooksood, K.; Noorsal, E.; Becker, J.; Ortmanns, M.
A Neural Stimulator Front-End with Arbitrary Pulse Shape, HV Compliance and Adaptive Supply Requiring 0.05mm2 in 0.35μm HVCMOS
IEEE Int. Conf. on Solid State Circuits (ISSCC), San Francisco, USA
February 2011
112.
Lange, S.; Xu, H.; Lang, C.; Pless, H.; Becker, J.; Tiedtke, H.-J.; Hennig, E.; Ortmanns, M.
An AC-Powered Optical Receiver Consuming 270μW for Transcutaneous 2Mb/s Data Transfer
IEEE Int. Conf. on Solid State Circuits (ISSCC), San Francisco, USA
February 2011
111.
Stegmann, S.; Zorn, C.; Brückner, T.; Ortmanns, M.; Mathis, W.
Anwendung einer Switched-System Modellierung zur Stabilitätsanalyse von zeitkontinuierlichen singlebit SD-Wandlern
Advances in Radio Science, Vol. 9, pp. 209-213
2011

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.
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
99.
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
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.
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
96.
Ortmanns, M.
Schaltungsentwurf für implantierbare Neurostimulatoren
invited to Tutorials zur Medizintechnik, Analog 2010, Erfurt, Germany
March 2010
95.
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
94.
Ortmanns, M.
Teaching Analog CMOS in the DSM Era - Devices, Designs and Tools
European Workshop on Microelectronics Education, EWME, Darmstadt, Germany
2010

Books

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