Institut für Mikroelektronik

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

Artikel  Bücher  Patente

Artikel

2014

226.
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
Dezember 2014
225.
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
Dezember 2014
224.
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
223.
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
222.
Bihr, U.; Haas, M.; Anders, J.; Ortmanns, M.
Comparison of Different Compression Schemes for Neural Spike Signals
BMT 2014, Hannover, Germany
Oktober 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
Oktober 2014
220.
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
Oktober 2014
219.
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
Oktober 2014
218.
Bihr, U.; Anders, J.; Rickert, J.; Schüttler, 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.
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
215.
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
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
Juli 2014
212.
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
Juni 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
Juni 2014
210.
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
Juni 2014
209.
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
Juni 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
Juni 2014
207.
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
Juni 2014
206.
Liu, T.; Bihr, U.; Anders, J.; Ortmanns, M.
Performance Evaluation of a Low Power Optical Wireless Link for Biomedical Data Transfer
IEEE International Symposium on Circuits and Systems (ISCAS), Melbourne, Australia
Juni 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
Juni 2014
204.
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
Juni 2014
203.
Brückner, T.; Zorn, C.; Anders, J.; Becker, J.; Mathis, W.; Ortmanns, M.
A GPU-Accelerated Web-Based Synthesis Tool for CT Sigma-Delta Modulators
Circuits and Systems I: Regular Papers, IEEE Transactions on, vol.61, no.5, pp.1429,1441
Mai 2014
202.
Schlecker, B.; Dukic, M.; Erickson, B.; Ortmanns, M.; Fantner, G.; Anders, J.
Single-Cycle-PLL Detection for Real-Time FM-AFM Applications
Biomedical Circuits and Systems, IEEE Transactions on, Vol. PP, no. 99
April 2014

Bücher

2023

9.
Chan, C.-H.; Zhu, Y.; Qi, L.; Sin, S.-W.; Ortmanns, M.; Martins, R. P.
High-Performance Oversampling ADCs
Paulo da Silva Martins, R., Mak, PI. (eds) Analog and Mixed-Signal Circuits in Nanoscale CMOS. Analog Circuits and Signal Processing. Springer, Cham. Edition
Januar 2023
DOI:doi.org/10.1007/978-3-031-22231-3_5

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