Institute of Microelectronics

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

Papers  Books  Patents 

Papers

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
July 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
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.
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
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
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.
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
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
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
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
June 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
May 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
201.
Kauffman, J. G.; Witte, P.; Lehmann, M.; Becker, J.; Manoli, Y.; Ortmanns, M.
A 72 dB DR, CT ΔΣ Modulator Using Digitally Estimated, Auxiliary DAC Linearization Achieving 88 fJ/conv-step in a 25 MHz BW
IEEE Journal of Solid-State Circuits, Vol. 49, No. 2
February 2014
200.
Elkafrawy, A.; Anders, J.; Ortmanns, M.
A High Speed Current Steering DAC Based Current Mode SAR ADC
Analog Circuits Workshop, Vienna, Austria
February 2014

2013

199.
Lorenz, M.; Brückner, T.; Anders, J.; Ortmanns, M.
An Advanced Unscented Kalman Filter Algorithm for Parameter Estimation in Continuous-Time Sigma-Delta Modulators
20th IEEE International Conference on Electronics, Circuits and Systems (ICECS), Abu Dhabi, UAE
December 2013
198.
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
December 2013
197.
Brückner, T.; Kiebler, M.; Lorenz, M.; Zorn, C.; Anders, J.; Mathis, W.; Ortmanns, M.
Discrete-Time Simulation of Continuous-Time ΣΔ Modulators With Arbitrary Input Signals
20th IEEE International Conference on Electronics, Circuits and Systems (ICECS), Abu Dhabi, UAE
December 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
October 2013

Books

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
January 2023
DOI:doi.org/10.1007/978-3-031-22231-3_5

2021

8.
Haas, M.; Ortmanns, M.
Neural Stimulation Circuits
Publisher: River Publishers
Selected Topics in Biomedical Circuits and Systems, Eds Minkyu Je and Myung Hoon Sunwoo Edition
February 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
Publisher: Springer
2019
ISBN:978-3030252663

2016

6.
Ortmanns, M.; Ritter, R.; Chi, J.
ΣΔ ADCs with Improved Interferer Robustness
Volume Wideband Continuous-time SD-ADCs, Automotive Electronics, and Power Management: Advances in Analog Circuit Design 2016
Publisher: 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
Publisher: Springer
2014

2007

4.
Ortmanns, M.; Buhmann, A.; Manoli, Y.
Interface Circuits in Comprehensive Microsystems
Publisher: 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
Publisher: 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
Publisher: Springer Pubs.
2005

2003

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

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