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

Papers

2008

63.
Peters, C.; Spreemann, D.; Ortmanns, M.; Manoli, Y.
A CMOS integrated voltage and power efficient AC/DC converter for energy harvesting applications
Journal of Micromechanics Microengineering, JMM, 18 104005
2008
62.
Hehn, T.; Peters, C.; Hagedorn, F.; Ortmanns, M.; Manoli, Y.
A CMOS Integrated Interface for Piezoelectric Generators
Proc. PowerMEMS 2008+ microEMS2008, November 9-12,457-460, Sendai, Japan
2008
61.
Becker, J.; Henrici, F.; Trendelenburg, S.; Ortmanns, M.; Manoli, Y.
A continuous-time hexagonal field programmable analog array in 0.13µm CMOS with 186 MHz GBW
IEEE Int. Conf. on Solid State Circuits (ISSCC), San Francisco, USA
2008
60.
Becker, J.; Henrici, F.; Trendelenburg, S.; Ortmanns, M.; Manoli, Y.
A Field Programmable Analog Array (FPAA) for reconfigurable instantiation of continuous-time filter
Presentation at CDNlive! EMEA Student Design Contest
2008
59.
Becker, J.; Henrici, F.; Trendelenburg, S.; Ortmanns, M.; Manoli, Y.
A Hexagonal Field Progammable Analog Array Consisting of 55 Tunable OTAs with 186 MHz GBW
IEEE Int. Symp. on Circuits and Systems (ISCAS), Seattle, USA
2008
58.
Anders, J.; Mathis, W.; Ortmanns, M.
A new optimization approach for the automatic design of Sigma Delta-modulators
Proceedings of 2008 IEEE International Symposium on Circuits and Systems, Vols 1-10, p. 1432-1435
2008
57.
Anders, J.; Mathis, W.; Ortmanns, M.
A New Optimization Approach for the Automatic Design of Sigma-Delta-Modulators
IEEE Int. Symp. on Circuits and Systems (ISCAS), Seattle, USA
2008

2007

56.
Lotze, N.; Ortmanns, M.; Manoli, Y.
Untersuchung von asynchronen Timing-Strategien für digitale Subthreshold-Schaltungen
Advances in Radio Science Vol. 6 (Kleinheubacher Berichte), Miltenberg, Germany
2007
55.
Keller, M.; Buhmann, A.; Ortmanns, M.; Manoli, Y.
On the Implicit Anti-Aliasing Feature of Continuous-Time Multistage Noise-Shaping Sigma-Delta Modulators
IEEE Int. Symp. on Circuits and Systems (ISCAS), New Orleans, USA
2007
54.
Keller, M.; Buhmann, A.; Ortmanns, M.; Manoli, Y.
On the implicit anti-aliasing feature in continuous-time sigma-delta Modulators
IEEE Trans. on Circuits and Systems I, Vol.54, No.12, pp. 2639-2645
2007
53.
Peters, C.; Ortmanns, M.; Manoli, Y.
Low Power High Performance Voltage Rectifier for Autonomous Microsystems
PowerMEMS, Freiburg, Germany
2007
52.
Maurath, D.; Peters, C.; Ortmanns, M.; Manoli, Y.
Hocheffiziente integrierte Gleichrichterschaltungen und Spannungsverstärker für Energy Harvesting Anwendungen
Advances in Radio Science Vol. 6 (Kleinheubacher Berichte), Miltenberg, Germany
2007
51.
Buhmann, A.; Keller, M.; Ortmanns, M.; Manoli, Y.
Estimating Circuit Nonidealities of Continuous-Time Multibit Delta-Sigma Modulators
IEEE Int. Symp. on Circuits and Systems (ISCAS), New Orleans, USA
2007
50.
Anders, J.; Mathis, W.; Ortmanns, M.
Entwurf von zeitkontinuierlichen Sigma-Delta Modulatoren - Äquivalenz zwischen zeitkontinuierlichen und zeitdiskreten Systemen
Advances in Radio Science 5, pp. 221-224
2007
49.
Peters, C.; Kessling, O.; Henrici, F.; Ortmanns, M.; Manoli, Y.
CMOS Integrated Highly Efficient Full Wave Rectifier
IEEE Int. Symp. on Circuits and Systems (ISCAS), New Orleans, USA
2007
48.
Maurath, D.; Peters, C.; Ortmanns, M.; Manoli, Y.
Adaptive Power Extraction from Micro Generators with Implicit Voltage Up-Conversion
PowerMEMS, pp. 281-284, Freiburg, Germany
2007
47.
Lotze, N.; Ortmanns, M.; Manoli, Y.
A Study on Self-Timed Asynchronous Subthreshold Logic
IEEE International Conf. on Computer Design (ICCD), Washington, DC, USA
2007
46.
Henrici, F.; Becker, J.; Buhmann, A.; Ortmanns, M.; Manoli, Y.
A Continuous-Time Field Programmable Analog Array Using Parasitic Capacitance Gm-C Filters
IEEE Int. Symp. on Circuits and Systems (ISCAS), New Orleans, USA
2007
45.
Saleh, S.; Ortmanns, M.; Manoli, Y.
A Comparative Study of CMOS LNAs in proc
IEEE European Conference on Circuits Theory and Design, ECCTD, pp.76-79
2007
44.
Ortmanns, M.
Charge Balancing in Functional Electrical Stimulators: a Comparative Study
IEEE Int. Symp. on Circuits and Systems (ISCAS), New Orleans, USA
2007
43.
Ortmanns, M.; Gehrke, M.; Tiedtke, H.-J.
A Stimulator ASIC for a 232 Channel Retinal Implant
41. Jahrestagung der Deutschen Gesellschaft für Biomedizinische Technik, Aachen
2007
42.
Ortmanns, M.; Unger, N.; Rocke, A.; Rackow, S.; Gehrke, M.; Tiedtke, H.-J.
A 232 channel visual prosthesis ASIC with production compliant safety and testability
IEEE Int. Conf. on Solid State Circuits (ISSCC), San Francisco, USA
2007
41.
Ortmanns, M.; Rocke, A.; Gehrke, M.; Tiedtke, H.-J.
A 232 Channel Epiretinal Stimulator ASIC for a Vision Prosthesis
IEEE Journal of Solid State Circuits, Vol.42, No.12, pp. 2946-2959
2007
40.
Keller, M.; Buhmann, A.; Ortmanns, M.; Manoli, Y.
A Method for the Discrete-Time Simulation of Continuous-Time Sigma-Delta Modulators
IEEE Int. Symp. on Circuits and Systems (ISCAS), New Orleans, USA
2007

2006

39.
Anders, J.; Mathis, W.; Ortmanns, M.
Direkter Entwurf von zeitkontinuierlichen Sigma-Delta-Modulatoren - Optimale Rauschformung und erweiterte Stabilitätsbetrachtungen
Kleinheubacher Tagung
2006

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