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

Papers

2008

70.
Peters, C.; Ortmanns, M.; Manoli, Y.
CMOS Integrated Active Rectifier with Temperature Independent Efficiency
Proc. of IEEE NORChip, Tallinn, Estonia
2008
69.
Keller, M.; Buhmann, A.; Ortmanns, M.; Manoli, Y.
Analysis of Digital Gain Error Compensation in Continuous-Time Cascaded Sigma-Delta Modulators
IEEE Int. Symp. on Circuits and Systems (ISCAS), Seattle, USA
2008
68.
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
67.
Sooksood, K.; Stieglitz, T.; Ortmanns, M.
An Experimental Study on Passive Charge Balancing
13th Annual International FES Society Conference 2008, Freiburg, Germany
2008
66.
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
65.
Maurath, D.; Michel, F.; Ortmanns, M.; Manoli, Y.
A 0.5V Rail-to-Rail 1.5 µW CMOS Amplifier for Micro-Energy Harvesting Applications
IEEE Midwest Symposium on Circuits and Systems (MWSCAS), Knoxville, USA
2008
64.
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
63.
Henrici, F.; Becker, J.; Ortmanns, M.; Manoli, Y.
A Switchable Folded-Cascode OTA without Transmission Gates in the Signal Path
Norchip Conference, Tallin
2008
62.
Keller, M.; Buhmann, A.; Ortmanns, M.; Manoli, Y.
A Comparative Study on Excess Loop Delay Compensation Techniques for Continuous-Time Sigma-Delta Modulators
IEEE Trans. on Circuits and Systems I
2008
61.
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
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.
Henrici, F.; Becker, J.; Ortmanns, M.; Manoli, Y.
A Floating-Gate Field Programmable Analog Array in 0.13 µm CMOS with 200 MHz GBW
IEEE Int. Conf. on Solid State Circuits (ISSCC), Student Forum, San Francisco, USA
2008
58.
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
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.
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
55.
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
54.
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
53.
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
52.
Peters, C.; Ortmanns, M.; Manoli, Y.
Low Power High Performance Voltage Rectifier for Autonomous Microsystems
PowerMEMS, Freiburg, Germany
2007
51.
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
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.
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
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.
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
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

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