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

Artikel

2017

272.
Al Marashli, A.; Anders, J.; Becker, J.; Ortmanns, M.
A 107 dB SFDR, 80 kS/s Nyquist-rate SAR ADC using a hybrid capacitive and incremental Σ∆ DAC
2017 Symposium on VLSI Circuits (VLSI Circuits), Kyoto, Japan
Juni 2017
271.
Chi, J.; Wagner, J.; Anders, J.; Ortmanns, M.
Digital Interferer Suppression and Jitter Reduction in Continuous-Time Bandpass Sigma Delta Modulators
IEEE International Symposium on Circuits and Systems (ISCAS 2017), Baltimore, USA
Mai 2017
270.
Handwerker, J.; Perez-Rodas, M.; Ortmanns, M.; Scheffler, K.; Anders, J.
Towards CMOS-based In-vivo NMR Spectroscopy and Microscopy
IEEE International Symposium on Circuits and Systems (ISCAS 2017), Baltimore, USA
Mai 2017
269.
Wagner, J.; Chi, J.; Ortmanns, M.
Designing CT Bandpass Sigma-Delta Modulators with Arbitrary STF Shapes
IEEE International Symposium on Circuits and Systems (ISCAS 2017), Baltimore, USA
Mai 2017
268.
Schlecker, B.; Ortmanns, M.; Fantner, G.; Anders, J.
Single-cycle AM-Demodulation für Echtzeit-AFM-Anwendungen der nächsten Generation
19. Analog Workshop 2017, Berlin, Germany
März 2017

2016

267.
Chi, J.; Ritter, R.; Wagner, J.; Ortmanns, M.
Phase Noise vs. Jitter Analysis in Continuous-Time LP and BP Sigma Delta Modulators with Interferers
23rd IEEE International Conference on Electronics, Circuits and Systems (ICECS), Monaco
Dezember 2016
266.
Wagner, J.; Reich, S.; Ritter, R.; Anders, J.; Ortmanns, M.
Finite GBW in Single OpAmp CT ΣΔ Modulators
23rd IEEE International Conference on Electronics, Circuits and Systems (ICECS), Monaco
Dezember 2016
265.
Herkle, A.; Schuster, M.; Becker, J.; Ortmanns, M.
Enhanced Arbiter PUFs using custom sized structures for reduced noise sensitivity
23rd IEEE International Conference on Electronics, Circuits and Systems (ICECS), Monaco
Dezember 2016
DOI:10.18725/OPARU-17953
264.
Becker, J.; Anders, J.; Ortmanns, M.
A Continuous-Time Field Programmable Analog Array with 1 GHz GBW
23rd IEEE International Conference on Electronics, Circuits and Systems (ICECS), Monaco
Dezember 2016
263.
Wagner, J.; Chi, J.; Ortmanns, M.
Designing CT ΣΔ Modulators with Shaped Feedback Waveforms using www.sigma-delta.de
23rd IEEE International Conference on Electronics, Circuits and Systems (ICECS), Monaco
Dezember 2016
262.
Haas, M.; Anders, J.; Ortmanns, M.
A bidirectional neural interface featuring a tunable recorder and electrode impedance estimation
IEEE/CAS-EMB Biomedical Circuits and Systems Conference (BioCAS) 2016, Shanghai, China
Oktober 2016
261.
Djekic, D.; Häberle, M.; Ortmanns, M.; Lips, K.; Behrends, J.; Anders, J.
Hochohmige, robuste Pseudo-Widerstände mit verbesserter Linearität für die elektrisch detektierte Magnetresonanz
Kleinheubacher Tagung, Miltenberg, Germany
September 2016
260.
Häberle, M.; Djekic, D.; Ortmanns, M.; Lips, K.; Behrends, J.; Anders, J.
Rauscharmer, breitbandiger Transimpedanzverstärker mit hohem Dynamikbereich für gepulste EDMR-Anwendungen
Kleinheubacher Tagung, Miltenberg, Germany
September 2016
259.
Handwerker, J.; Eder, M.; Tibiletti, M.; Rasche, V.; Scheffler, K.; Becker, J.; Ortmanns, M.; Anders, J.
An array of fully-integrated quadrature TX/RX NMR field probes for MRI trajectory mapping
42nd European Solid-State Circuits Conference (ESSCIRC 2016), Lausanne, Switzerland
September 2016
258.
Herkle, A.; Becker, J.; Ortmanns, M.
Physical Unclonable Functions based on A/D-converter's differential non-linearities
Kleinheubacher Tagung, Miltenberg, Germany
September 2016
257.
Elkafrawy, A.; Anders, J.; Ortmanns, M.
Design and validation of a 10-bit current mode SAR ADC with 58.4 dB SFDR at 50 MS/s in 90 nm CMOS 89: 283. doi:10.1007/s10470-016-0788-z
Analog Integr Circ Sig Process (2016)
Juli 2016
256.
Anders, J.; Handwerker, J.; Ortmanns, M.; Kamberger, R.; Korvink, J.; Gruschke, O.
Arrays of IC-Assisted 3D-Microcoils for Wideband NMR Spectroscopy
Euromar 2016, Aarhus, Denmark
Juli 2016
255.
Herkle, A.; Becker, J.; Ortmanns, M.
Exploiting Weak PUFs from Data Converter Non-Linearity - E.g. A multibit CT ∆Σ Modulator
IEEE Transactions on Circuits and Systems I: Regular Papers, Vol. 63, No. 7
Juli 2016
DOI:10.18725/OPARU-17955
254.
Anders, J.; Handwerker, J.; Schlecker, B.; Ortmanns, M.; Möser, J.; Schnegg, A.; Lips, K.
Using CMOS voltage-controlled oscillators for ultra-fast rapid scan ESR experiments
58th Rocky Mountain Conference on Magnetic Resonance, Breckenridge, USA
Juli 2016
253.
Chu, C.; Wagner, J.; Al Marashli, A.; Chi, J.; Ortmanns, M.
A Study on Op-amp Nonlinearity in a Single-bit CT Modulator Employing GBW Compensation
Conference on PhD Research in Microelectronics and Electronics (PRIME 2016), Lisbon, Portugal
Juni 2016
252.
Wagner, J.; Ritter, R.; Ortmanns, M.
STF Engineering in CT Sigma-Delta Modulators using www.sigma-delta.de
Conference on PhD Research in Microelectronics and Electronics (PRIME 2016), Lisbon, Portugal
Juni 2016
251.
Haas, M.; Ortmanns, M.
A floating high-voltage level-shifter with high area efficiency for biomedical implants
12th Conference on PhD Research in Microelectronics and Electronics (PRIME 2016), Lisbon, Portugal
Juni 2016
250.
Al Marashli, A.; Anders, J.; Ortmanns, M.
A Hybrid Comparator for High Resolution SAR ADC
IEEE International Symposium on Circuits and Systems (ISCAS 2016), Montréal, Québec, Canada
Mai 2016
249.
Haas, M.; Bihr, U.; Anders, J.; Ortmanns, M.
A Bidirectional Neural Interface IC with High Voltage Compliance and Spectral Separation
IEEE International Symposium on Circuits and Systems (ISCAS 2016), Montréal, Québec, Canada
Mai 2016
248.
Wagner, J.; Ritter, R.; Ortmanns, M.
Using www.sigma-delta.de to Rapidly Obtain ELD Compensated CT ΣΔ Modulators
IEEE International Symposium on Circuits and Systems (ISCAS 2016), Montréal, Québec, Canada
Mai 2016

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