Publikationen - Prof. Dr.-Ing. M. Ortmanns

Artikel

2013

197.
Elkafrawy, A.; Anders, J.; Brückner, T.; Ortmanns, M.
Design of a Current Steering DAC for a High Speed Current Mode SAR ADC
20th IEEE International Conference on Electronics, Circuits and Systems (ICECS), Abu Dhabi, UAE
Dezember 2013
196.
Anders, J.; Boero, G.; Handwerker, J.; Ortmanns, M.
A fully-integrated detector for NMR microscopy in 0.13 µm CMOS
IEEE Asian Solid-State Circuits Conference (A-SSCC) 2013, Singapore
November 2013
195.
Kauffman, J. G.; Chu, C.; Becker, J.; Ortmanns, M.
A 67 dB DR 50MHz BW CT Delta Sigma Modulator Achieving 207 fJ/conv
Asian Solid-State Circuits Conference, Singapore
November 2013
194.
Handwerker, J.; Eschelbach, M.; Chang, P.; Henning, A.; Scheffler, K.; Ortmanns, M.; Anders, J.
An Active TX/RX NMR Probe for Real-Time Monitoring of MRI Field Imperfections
IEEE Biomediocal Circuits and Systems Conference (BiOCAS) 2013, Rotterdam, The Netherlands
Oktober 2013
193.
Liu, T.; Anders, J.; Ortmanns, M.
Design Optimization of the Optical Receiver in Transcutaneous Telemetric Links
IEEE Biomediocal Circuits and Systems Conference (BiOCAS) 2013, Rotterdam, The Netherlands
Oktober 2013
192.
Bihr, U.; Anders, J.; Becker, J.; Ortmanns, M.
A high-voltage neural stimulator combined with a low voltage recorder
BMT 2013, Graz, Austria
September 2013
191.
Handwerker, J.; Bonehi, V.; Eschelbach, M.; Scheffler, K.; Ortmanns, M.; Anders, J.
An active transmit/receive NMR magnetometer for field monitoring in ultra high field MRI scanners
BMT 2013, Graz, Austria
September 2013
190.
Anders, J.; Ortmanns, M.
Frequency noise of CMOS LC tank oscillators operating in weak inversion
21st European Conference on Circuit Theory and Design (ECCTD), Dresden, Germany
September 2013
189.
Schlecker, B.; Fantner, G.; Ortmanns, M.; Anders, J.
Novel Electronics for High-speed FM AFM in Life Science Applications
21st European Conference on Circuit Theory and Design (ECCTD), Dresden, Germany
September 2013
188.
Elkafrawy, A.; Anders, J.; Ortmanns, M.
An Approach to High Speed SAR ADCs
Kleinheubacher Tagung, Miltenberg, Germany
September 2013
187.
Schlecker, B.; Ortmanns, M.; Anders, J.
Treiberelektronik zur Anwendung in frequenzmodulierter Rasterkaftmikroskopie
Kleinheubacher Tagung, Miltenberg, Germany
September 2013
186.
Zorn, C.; Thiessen, T.; Brückner, T.; Ortmanns, M.; Mathis, W.
State Space Analysis of Mixed Signal Systems with Switched Feedback and Delay
21th European Conference on Circuit Theory and Design (ECCTD), Dresden, Germany
September 2013
185.
Lorenz, M.; Brückner, T.; Ritter, R.; Ortmanns, M.
Gemeinsame Schätzung von Nichtidealitäten in zeitkontinuierlichen Sigma-Delta Modulatoren
Kleinheubacher Tagung, Miltenberg, Germany
September 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
Juni 2013
183.
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
Mai 2013
182.
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
Mai 2013
181.
Liu, T.; Anders, J.; Ortmanns, M.
System Level Model for Transcutaneous Optical Telemetric Link
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
Mai 2013
180.
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
Mai 2013
179.
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
Mai 2013
178.
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
Mai 2013
177.
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
Mai 2013
176.
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
Mai 2013
175.
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
Mai 2013
174.
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
Mai 2013
173.
Liu, T.; Xu, H.; Ortmanns, M.
Light Tissue Interaction for transcutaneous Optical Telemetric Link
Analog 2013, Aachen, Germany
März 2013

Bücher

2021

8.
Haas, M.; Ortmanns, M.
Neural Stimulation Circuits
Herausgeber: River Publishers
Selected Topics in Biomedical Circuits and Systems, Eds Minkyu Je and Myung Hoon Sunwoo Edition
Februar 2021
ISBN:9788770221481

2019

7.
Vogelmann, P.; Mokhtar, M. A.; Luo, Y.; Ortmanns, M.
Next-Generation ADCs, High-Performance Power Management, and Technology Considerations for Advanced Integrated Circuits: Advances in Analog Circuit Design 2019
Herausgeber: Springer
2019
ISBN:978-3030252663

2016

6.
Ortmanns, M.; Ritter, R.; Chi, J.
ΣΔ ADCs with Improved Interferer Robustness
Band Wideband Continuous-time SD-ADCs, Automotive Electronics, and Power Management: Advances in Analog Circuit Design 2016
Herausgeber: Springer
2016
ISBN:978-3319416694

2014

5.
Brückner, T.; Ortmanns, M.
Automated Design of High-Speed Continuous-Time Sigma-Delta Modulators employing Compensation and Correction of Non-Idealities, in High-Performance AD and DA Converters, IC Design in Scaled Technologies, and Time-Domain Signal Processing
Herausgeber: Springer
2014

2007

4.
Ortmanns, M.; Buhmann, A.; Manoli, Y.
Interface Circuits in Comprehensive Microsystems
Herausgeber: Elsevier Pubs.
2007

2006

3.
Buhmann, A.; Keller, M.; Ortmanns, M.; Gerfers, F.; Manoli, Y.
Time-Continuous Delta-Sigma A/D Converters - From Theory to Practical Implementation
Herausgeber: in Advanced Signal Processing, Circuits, and Systems Design Techniques for Communications, (eds. Paliouras, V.; Stouraitis, Th.; Ioinovici, A.)
2006

2005

2.
Ortmanns, M.; Gerfers, F.
Continuous-Time Sigma-Delta A/D Conversion, Fundamentals, Error Correction and Robust Implementations
Herausgeber: Springer Pubs.
2005

2003

1.
Ortmanns, M.
Error Compensation in Continuous-Time Sigma-Delta A/D Converters
Herausgeber: PhD Thesis, Albert-Ludwigs-University Freiburg
2003

Patente

  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