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

Papers

2013

184.
Malhotra, G.; Becker, J.; Ortmanns, M.
Novel Field Programmable Embryonic Cell for Adder and Multiplier
9th Conference on Ph.D. Research in Microelectronics and Electronics (PRIME 2013), Villach, Austria
June 2013
183.
Kauffman, J. G.; Ritter, R.; Chu, C.; Ortmanns, M.
A Native Switched DAC Cell with low ISI for CT Delta Sigma Modulators
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
182.
Liu, T.; Anders, J.; Ortmanns, M.
System Level Model for Transcutaneous Optical Telemetric Link
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
181.
Schlecker, B.; Ortmanns, M.; Fantner, G.; Anders, J.
PLL-based high-speed demodulation of FM signals for real-time AFM applications
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
180.
Kauffman, J. G.; Ritter, R.; Chu, C.; Becker, J.; Ortmanns, M.
Low Power Quantizer Design in CT Delta Sigma Modulators
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
179.
Ritter, R.; Kauffman, J. G.; Lorenz, M.; Ortmanns, M.
Integrator Swing Reduction in Feedback Compensated Sigma Delta Modulators
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
178.
Bihr, U.; Ungru, T.; Xu, H.; Anders, J.; Becker, J.; Ortmanns, M.
A Bidirectional Neural Interface with a HV Stimulator and a LV Neural Amplifier
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
177.
Xu, H.; Bihr, U.; Becker, J.; Ortmanns, M.
A Multi-channel Neural Stimulator with Resonance Compensated Inductive Receiver and Closed-loop Smart Power Management
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
176.
Lorenz, M.; Brückner, T.; Ritter, R.; Ortmanns, M.
Concurrent Estimation of Amplifier Nonidealities and Excess Loop Delay in Continuous-Time Sigma-Delta Modulators
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
175.
Brückner, T.; Kiebler, M.; Lorenz, M.; Zorn, C.; Mathis, W.; Ortmanns, M.
Calculating Transfer Functions of CT Sigma-Delta Modulators with Arbitrary DAC Waveforms
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
174.
Chu, C.; Brückner, T.; Kauffman, J. G.; Anders, J.; Becker, J.; Ortmanns, M.
Analysis and Design of High Speed/High Linearity CT Delta Sigma Modulators
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
173.
Liu, T.; Xu, H.; Ortmanns, M.
Light Tissue Interaction for transcutaneous Optical Telemetric Link
Analog 2013, Aachen, Germany
March 2013
172.
Schlecker, B.; Anders, J.; Ortmanns, M.
PLL-basierte Demodulation von FM Signalen für frequenzmodulierte Hochgeschwindigkeitsrasterkraftmikroskopie
15. Workshop Analogschaltungen 2013, Reutlingen, Germany
February 2013

2012

171.
Bulach, C.; Bihr, U.; Ortmanns, M.
Evaluating the Influence of the Bit Error Rate on the Information of Neural Spike Signals
19th IEEE International Conference on Electronics, Circuits and Systems (ICECS), Seville, Spain
December 2012
170.
Zorn, C.; Brückner, T.; Ortmanns, M.; Mathis, W.
Performance tuning of multi-bit continuous time ΣΔ-modulators using a switched system model
19th IEEE International Conference on Electronics, Circuits and Systems (ICECS), Seville, Spain
December 2012
169.
Lorenz, M.; Maurer, M.; Manoli, Y.; Ortmanns, M.
Joint Estimation of Filter Nonidealities in Continuous-Time Sigma-Delta Modulators by using an Unscented Kalman Filter
19th IEEE International Conference on Electronics, Circuits and Systems (ICECS), Seville, Spain
December 2012
168.
Brückner, T.; Kiebler, M.; Zorn, C.; Mathis, W.; Ortmanns, M.
Discrete-Time Simulation of Arbitrary Digital/Analog Converter Waveforms in Continuous-Time Sigma-Delta Modulators
19th IEEE International Conference on Electronics, Circuits and Systems (ICECS), Seville, Spain
December 2012
167.
Handwerker, J.; Ortmanns, M.; Anders, J.
Multiplexingstrategien für vollintegrierte CMOS NMR Empänger für die NMR Mikroskopie
Kleinheubacher Tagung, Miltenberg, Germany
September 2012
166.
Schlecker, B.; Ortmanns, M.; Anders, J.
Hochgeschwindigkeitsdetektoren für frequenzmodulierte Rasterkraftmikroskopie
Kleinheubacher Tagung, Miltenberg, Germany
September 2012
165.
Zahabi, A.; Anis, M.; Ortmanns, M.
A 9.6 GS/s 112 mW 58 dB DR 150 MHz Bandwidth RF Bandpass Transmission Line SD Modulator
European Solid-State Circuit Conf. (ESSCIRC), Bordeaux, France
September 2012
164.
Xu, H.; Noorsal, E.; Sooksood, K.; Becker, J.; Ortmanns, M.
A Multichannel Neurostimulator with Transcutaneous Closed-Loop Power Control and Self-Adaptive Supply
IEEE European Solid-State Circuits Conference (ESSCIRC), Bordeaux, France
September 2012
163.
Bihr, U.; Ortmanns, M.
A Front-End Circuit for Neural Recording Applications with Spectral Separation of LFP and Action Potentials Consuming 21 μW per Channel
46. DGBMT Jahrestagung (BMT 2012), Jena, Germany
September 2012
162.
Chu, C.; Kauffman, J. G.; Ortmanns, M.
A 12-bit continuous-time third Order ΔΣ Modulator with 85dBFS SFDR in a 15MHz BW
Kleinheubacher Tagung 2012, Miltenberg, Germany
September 2012
161.
Sooksood, K.; Noorsal, E.; Bihr, U.; Ortmanns, M.
Recent Advances in Power Efficient Output Stage for High Density Implantable Stimulators
34nd Annual Int. Conference of the IEEE Engineering in Medicine and Biology Society (EMBC 2012), San Diego, USA
August 2012
160.
Kauffman, J. G.; Brückner, T.; Ortmanns, M.
PVT Robust Design of Wideband CT Delta Sigma Modulators Including Finite GBW Compensation
The 55th IEEE International Midwest Symposium on Circuits and Systems (MWSCAS), Boise, Idaho, USA
August 2012

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