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

Papers

2011

130.
Xu, H.; Ortmanns, M.
A Temperature and Process Compensated Ultra-Low-Voltage Rectifier in Standard Threshold CMOS for Energy Harvesting Applications
IEEE Trans. Circuits Syst. II, Express Briefs
December 2011
129.
Kauffman, J. G.; Witte, P.; Becker, J.; Ortmanns, M.
An 8.5 mW Continuous-Time Delta-Sigma Modulator With 25 MHz Bandwidth Using Digital Background DAC Linearization to Achieve 63.5 dB SNDR and 81 dB SFDR
IEEE Journal of Solid-State Circuits
December 2011
128.
Witte, P.; Kauffman, J. G.; Becker, J.; Ortmanns, M.
Correlation Based Background Error Estimation Technique for Bandpass Delta-Sigma ADC DACs
IEEE Trans. Circuits Syst. II, Express Briefs
November 2011
127.
Zahabi, A.; Jamal, F.; Anis, M.; Ortmanns, M.
Integrated Microstrip/Coplanar/Tapered Transmission Lines for Bandpass Sigma-Delta Modulators
12. ITG/GMM-Fachtagung Analog, Erlangen, Germany
November 2011
126.
Xu, H.; Lange, S.; Pless, H.; Becker, J.; Hornig, R.; Hennig, E.; Ortmanns, M.
An AC-Powered Optical Receiver Consuming 270µW for Transcutaneous 2Mb/s Data Transfer
45. DGBMT Jahrestagung (BMT 2011), Freiburg, Germany
September 2011
125.
Zahabi, A.; Anis, M.; Ortmanns, M.
Integrated Transmission Line Super-Regeneration Amplifier for Impulse-FM-UWB Transceiver
Kleinheubacher Tagung, Miltenberg, Germany
September 2011
124.
Ritter, R.; Ortmanns, M.
Aktuelle Entwicklung zu frequenzumsetzenden Delta-Sigma ADCs für mobile Empfänger
Kleinheubacher Tagung, Miltenberg, Germany
September 2011
123.
Zahabi, A.; Anis, M.; Ortmanns, M.
3.1GHz-3.8GHz Integrated Transmission Line Super-Regeneration Amplifier with Degenerative Quenching Technique for Impulse-FM-UWB Transceiver
European Solid-State Circuit Conf. (ESSCIRC), pp. 387-390, Helsinki, Finland
September 2011
122.
Xu, H.; Ortmanns, M.
Wide-band Wide-input Efficiency-enhanced CMOS Rectifier with Self-temperature and Process Compensation
IEEE Semiconductor Conference Dresden (SCD), Dresden, Germany
September 2011
121.
Chu, C.; Kauffman, J. G.; Anis, S.; Ortmanns, M.
A 4-bit, 500M/s Flash Quantizer Using an Auto-Zeroing Offset Compensated Comparator in 250nm SiGe
Kleinheubacher Tagung, Miltenberg, Germany
September 2011
120.
Sooksood, K.; Noorsal, E.; Hornig, R.; Becker, J.; Ortmanns, M.
Integrated Front-end for a Highly Parallel Universal Functional Electrical Stimulation Platform
45. DGBMT Jahrestagung (BMT 2011), Freiburg, Germany
September 2011
119.
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
118.
Zorn, C.; Stegmann, S.; Brückner, T.; Ortmanns, M.; Mathis, W.
STF Optimization of 1-Bit CT ΣΔ Modulators Based on Scaled Loop Filter Coefficients
European Conference on Circuit Theory and Design, Linköping, Sweden
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.
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
113.
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
112.
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
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.
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
108.
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
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

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