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

Artikel

2012

147.
Zahabi, A.; Jamal, F.; Becker, J.; Anis, M.; Ortmanns, M.
Digitally-Switched Resonators for Bandpass Integrated Transmission Line Sigma Delta Modulators
IEEE International Symposium on Circuits and Systems (ISCAS), Seoul, Korea
Mai 2012
146.
Sooksood, K.; Ortmanns, M.
Power Efficient Output Stage for High Density Implantable Stimulators
Electronics Letters, Vol. 48 (10)
Mai 2012
145.
Zorn, C.; Widemann, C.; Brückner, T.; Ortmanns, M.; Mathis, W.
Peaking Reduced STF Design for CT SD Modulators with Selective Pole Compensation
IEEE International Symposium on Circuits and Systems (ISCAS), Seoul, Korea
Mai 2012
144.
Xu, H.; Ortmanns, M.
A New Class of Integrated CMOS Rectifiers with Improved PVT-Compensated Efficiency
IEEE International Symposium on Circuits and Systems (ISCAS), Seoul, Korea
Mai 2012
143.
Bihr, U.; Ortmanns, M.
A Front-End Circuit with Active Spike and LFP Separation via a Switched Capacitor Filter Structure for Neural Recording Applications
IEEE International Symposium on Circuits and Systems (ISCAS), Seoul, Korea
Mai 2012
142.
Ritter, R.; Kauffman, J. G.; Ortmanns, M.
A power efficient MDAC design with correlated double sampling for a 2-step-flash ADC
IEEE International Symposium on Circuits and Systems (ISCAS), Seoul, Korea
Mai 2012
141.
Zahabi, A.; Anis, M.; Ortmanns, M.
2.4GHz Super-Regeneration Amplifier with Degenerative Quenching Technique for RF-Pulse Width Transceiver
IEEE International Symposium on Circuits and Systems (ISCAS), Seoul, Korea
Mai 2012
140.
Witte, P.; Kauffman, J. G.; Brückner, T.; Becker, J.; Ortmanns, M.
An Error Estimation Technique for Lowpass and Bandpass Delta-Sigma ADC Feedback DACs Using a Residual Test Signal
IEEE International Symposium on Circuits and Systems (ISCAS), Seoul, Korea
Mai 2012
139.
Witte, P.; Kauffman, J. G.; Becker, J.; Manoli, Y.; Ortmanns, M.
A 72dB-DR Delta-Sigma CT Modulator Using Digitally Estimated Auxiliary DAC Linearization Achieving 88fJ/conv in a 25 MHz BW
IEEE International Conference on Solid-State Circuits (ISSCC), San Francisco, USA
Februar 2012
138.
Anders, J.; Ortmanns, M.; Boero, G.
Noise in Frequency-Sensitive ESR Detectors
MATHMOD, Vienna, Austria
2012
137.
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
136.
Angele, D.; Stein, M.; Kauffman, J. G.; Ortmanns, M.; Becker, J.
A reconfigurable Continuous-Time ΔΣ-ADC using a digitally programmable gm-C array
IEEE 55th International Midwest Symposium on Circuits and Systems (MWSCAS)
2012
135.
Anders, J.; Ortmanns, M.; Scheffler, K.; Beoro, G.
Active Integrated Tracking Detectors for MRI-Guided
Interventions, BMT 2012, Jena, Germany
2012
134.
Ostrovskyy, P.; Gustat, H.; Ortmanns, M.; Scheytt, J. C.
A 5-Gb/s 2.1--2.2-GHz Bandpass Delta Sigma Modulator for Switch-Mode Power Amplifier
Microwave Theory and Techniques, IEEE Transactions on, Volume: 60, Issue: 8 2012 , pp: 2524 - 2531
2012
133.
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
132.
Noorsal, E.; Sooksood, K.; Xu, H.; Hornig, R.; Becker, J.; Ortmanns, M.
A Neural Stimulator Frontend with High-Voltage Compliance and Programmable Pulse Shape for Epiretinal Implants
IEEE Journal of Solid-State Circuits, Vol. 47, no. 1, pp. 244-256
Januar 2012
131.
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

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.
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.
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

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