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

Artikel

2012

135.
Anders, J.; Ortmanns, M.; Scheffler, K.; Beoro, G.
Active Integrated Tracking Detectors for MRI-Guided
Interventions, BMT 2012, Jena, Germany
2012
134.
Anders, J.; Ortmanns, M.; Boero, G.
Frequency noise in current-starved CMOS LC tank oscillators
In: Nonlinear Dynamics of Electronic Systems, Proceedings of NDES 2012 (2012), S. 1-4
2012
133.
Anders, J.; Ortmanns, M.; Brugger, J.; Boero, G.
Fully-integrated CMOS arrays for NMR microscopy
Workshop "Innovative Verarbeitung bioelektrischer und biomagnetischer Signale" - BBS2012, Berlin, Germany
2012
132.
Anders, J.; Ortmanns, M.; Boero, G.
Noise in Frequency-Sensitive ESR Detectors
MATHMOD, Vienna, Austria
2012
131.
Widemann, C.; Zorn, C.; Brückner, T.; Ortmanns, M.; Mathis, W.
STF Optimierung von single-bit CT ΣΔ Modulatoren basierend auf skalierten Filterkoeffizienten
Advances in Radio Science, Vol. 10, pp. 313-317
2012

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
Dezember 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
Dezember 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.
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
125.
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
124.
Ritter, R.; Ortmanns, M.
Aktuelle Entwicklung zu frequenzumsetzenden Delta-Sigma ADCs für mobile Empfänger
Kleinheubacher Tagung, Miltenberg, Germany
September 2011
123.
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
122.
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
121.
Zahabi, A.; Anis, M.; Ortmanns, M.
Integrated Transmission Line Super-Regeneration Amplifier for Impulse-FM-UWB Transceiver
Kleinheubacher Tagung, Miltenberg, Germany
September 2011
120.
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
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 0.18µm CMOS
In Proceeding of International Microwave Symposium (IMS), Baltimore, USA
Juni 2011
116.
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
Mai 2011
115.
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
Mai 2011
114.
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
Februar 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
Februar 2011
112.
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
Februar 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

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