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

Papers

2015

229.
Ritter , R. ; Lorenz , M. ; Ortmanns , M.
Anti-Aliasing Filter Improvement in Continuous-Time Feedback Sigma-Delta Modulators
IEEE International Symposium on Circuits and Systems (ISCAS), Lisbon, Portugal
May 2015
228.
Lorenz , M. ; Ritter , R. ; Anders , J. ; Ortmanns , M.
Estimation of Non-Idealities in Sigma-Delta Modulators for Test and Correction Using Unscented Kalman Filters
Circuits and Systems I: Regular Papers, IEEE Transactions on
March 2015
227.
Schlecker , B. ; Eichel , A. ; Ortmanns , M. ; Fantner , G. ; Anders , J.
Modeling and Design of high-speed FM-AFM driver electronics using Cadence Virtuoso® and Simulink®
8th Vienna International Conferenceon Mathematical Modelling — MATHMOD
February 2015

2014

226.
Al Marashli , A. ; Anders , J. ; Ortmanns , M.
Employing Incremental Sigma Delta DACs for High Resolution SAR ADC
21st IEEE International Conference on Electronics, Circuits and Systems (ICECS), Marseille, France
December 2014
225.
Elkafrawy , A. ; Al Marashli , A. ; Ritter , R. ; Anders , J. ; Ortmanns , M.
Design of a High Linearity Gm Stage for a High Speed Current Mode SAR ADC
21st IEEE International Conference on Electronics, Circuits and Systems (ICECS), Marseille, France
December 2014
224.
Xu , H. ; Handwerker , J. ; Ortmanns , M.
Telemetry for Implantable Medical Devices: Part 2 – Power Telemetry
IEEE Solid State Circuits Society Magazine, Vol. 6, No. 3, pp. 60 – 63
November 2014
223.
Völker , M. ; Pashmineh , S. ; Hauer , J. ; Ortmanns , M.
Current Feedback Linearization Applied to Oscillator Based ADCs
IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 61, no. 11, pp. 3066-3074
November 2014
222.
Bihr , U. ; Haas , M. ; Anders , J. ; Ortmanns , M.
Comparison of Different Compression Schemes for Neural Spike Signals
BMT 2014, Hannover, Germany
October 2014
221.
Handwerker , J. ; Hoffmann , A. ; Eschelbach , M. ; Scheffler , K. ; Ortmanns , M. ; Anders , J.
A distributed active NMR sensor array for artifact correction in ultra high field MRI applications
48th annual conference of the German Society for Biomedical Engineering, Hannover, Germany
October 2014
220.
Liu , T. ; Bihr , U. ; Becker , J. ; Anders , J. ; Ortmanns , M.
In Vivo Verification of a 100 Mbps Transcutaneous Optical Telemetric Link
IEEE/CAS-EMB Biomedical Circuits and Systems Conference 2014, Lausanne, Switzerland
October 2014
219.
Liu , T. ; Anders , J. ; Ortmanns , M.
Design of an Optical Transcutaneous Forward Data Telemetry for Brain Machine Interface
48th annual conference of the German Society for Biomedical Engineering, Hannover, Germany
October 2014
218.
Bihr , U. ; Anders , J. ; Rickert , J. ; Schuettler , M. ; Moeller , A. ; Boven , K. H. ; Becker , J. ; Ortmanns , M.
A Neural Recorder IC with HV Input Multiplexer for Voltage and Current Stimulation with 18V Compliance
IEEE ESSCIRC 2014, Venedig, Italien
September 2014
217.
Elkafrawy , A. ; Anders , J. ; Ortmanns , M.
Design of a High Resolution Transimpedance Amplifier for a High Speed Current Mode SAR ADC
Kleinheubacher Tagung, Miltenberg, Germany
September 2014
216.
Al Marashli , A. ; Anders , J. ; Ortmanns , M.
Ein SAR A/D Umsetzer mit neuartigem Rückkopplungs-D/A Umsetzer für hohe Auflösungen
Kleinheubacher Tagung, Miltenberg, Germany
September 2014
215.
Hoffmann , A. ; Handwerker , J. ; Ortmanns , M. ; Anders , J.
Ein Array von NMR Feldsensoren zur Korrektur gradienteninduzierter Artefakte bei der Hochfeld MR-Bildgebung
Kleinheubacher Tagung, Miltenberg, Germany
September 2014
214.
Elkafrawy , A. ; Anders , J. ; Ortmanns , M.
A High Resolution Transimpedance Amplifier for Use in a 10-bit 200 MS/s Current Mode SAR ADC
57th IEEE International Midwest Symposium on Circuits and Systems (MWSCAS), College Station, Texas, USA
August 2014
213.
Liu , T. ; Cai , Z. ; Anders , J. ; Ortmanns , M.
A Bootstrap Transimpedance Amplifier for High Speed Optical Transcutaneous Wireless Links
10th Conference on Ph.D. Research in Microelectronices and Electronices, Grenoble, France
July 2014
212.
Bihr , U. ; Xu , H. ; Bulach , C. ; Lorenz , M. ; Anders , J. ; Ortmanns , M.
Real-Time Data Compression of Neural Spikes
IEEE NEWCAS 2014, Trois-Rivières, Kanada
June 2014
211.
Lorenz , M. ; Maurer , M. ; Manoli , Y. ; Ortmanns , M.
A Spherical Simplex Unscented Kalman Filter with Smart Sigma-Point Processing for Estimations in CT Sigma-Delta Modulators
IEEE NEWCAS 2014, Trois-Rivières, Kanada
June 2014
210.
Ritter , R. ; Lorenz , M. ; Chu , C. ; Ortmanns , M.
A High Open Loop Gain Common Mode Feedback Technique for Fully Differential Amplifiers
IEEE NEWCAS 2014, Trois-Rivières, Kanada
June 2014
209.
Lorenz , M. ; Brückner , T. ; Ritter , R. ; Anders , J. ; Ortmanns , M.
A Square Root Unscented Kalman Filter for Estimating DAC and Loopfilter Nonidealities in Continuous-Time Sigma-Delta Modulators
IEEE International Symposium on Circuits and Systems (ISCAS), Melbourne, Australia
June 2014
208.
Lorenz , M. ; Ritter , R. ; Becker , J. ; Ortmanns , M.
A Genetic Algorithm for the Estimation of Nonidealities in Continuous-Time Sigma-Delta Modulators
Transactions on Circuits and Systems II, Vol. 61, no.6, pp. 388-392
June 2014
207.
Chu , C. ; Kauffman , J. G. ; Anders , J. ; Becker , J. ; Ortmanns , M. ; Epp , M. ; Chartier , S.
A 1.92-GS/s CT ΔΣ modulator with 70-db DR and 78-db SFDR in 15-MHz bandwidth
IEEE NEWCAS 2014, Trois-Rivières, Kanada
June 2014
206.
Xu , H. ; Lorenz , M. ; Bihr , U. ; Anders , J. ; Ortmanns , M.
Wide-Band Efficiency-Enhanced CMOS Rectifier
IEEE International Symposium on Circuits and Systems (ISCAS), Melbourne, Australia
June 2014
205.
Ritter , R. ; Handwerker , J. ; Ortmanns , M.
Telemetry for Implantable Medical Devices: Part 1 - Media Properties and Standards
IEEE Solid State Circuits Society Magazine, Vol. 6, No. 2, pp. 47 – 51
June 2014

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