Institut für Mikroelektronik

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

Artikel  Bücher  Patente

Artikel

2016

260.
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
259.
Herkle, A.; Becker, J.; Ortmanns, M.
Physical Unclonable Functions based on A/D-converter's differential non-linearities
Kleinheubacher Tagung, Miltenberg, Germany
September 2016
258.
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
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.
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
251.
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
250.
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
249.
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
248.
Djekic, D.; Ortmanns, M.; Fantner, G.; Anders, J.
A Tunable, Robust Pseudo-Resistor with Enhanced Linearity for Scanning Ion-Conductance Microscopy
IEEE International Symposium on Circuits and Systems (ISCAS 2016), Montréal, Québec, Canada
Mai 2016
247.
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
246.
Vogelmann, P.; Haas, M.; Anders, J.; Ortmanns, M.
Design eines Sample-and-Hold Verstärkers für einen 16-Bit SD-Modulator in 180nm CMOS
Analogworkshop 2016, Leibniz Universität Hannover
März 2016
245.
Ritter, R.; Kauffman, J. G.; Becker, J.; Ortmanns, M.
A 10 MHz Bandwidth, 70 dB SNDR Continuous Time Delta-Sigma Modulator With Digitally Improved Reconfigurable Blocker Rejection
IEEE Journal of Solid-State Circuits, vol. 51, no. 3, pp. 660-670
März 2016
244.
Anders, J.; Handwerker, J.; Ortmanns, M.; Boero, G.
A low-power high-sensitivity single-chip receiver for NMR microscopy
Journal of Magnetic Resonance, vol. 266, pp. 41-50
März 2016
243.
Djekic, D.; Ortmanns, M.; Fantner, G.; Anders, J.
Linearisierte Pseudo-Widerstände mit hoher Robustheit für die Raster-Ionenstrommikroskopie
Analogworkshop 2016, Leibniz Universität Hannover
März 2016
242.
Handwerker, J.; Schlecker, B.; Wachter, U.; Radermacher, P.; Ortmanns, M.; Anders, J.
A 14 GHz, battery operated, point-of-care ESR spectrometer based on a 130 nm CMOS ASIC
IEEE International Solid-State Circuits Conference (ISSCC 2016), San Francisco, CA, USA
Januar 2016
241.
Pagin, M.; Haas, M.; Becker, J.; Ortmanns, M.
Delta compression in time-multiplexed multichannel neural recorders
12th Conference on Ph.D. Research in Microelectronics and Electronics (PRIME), pp. 1-4, Lisbon, Portugal
2016

2015

240.
Ritter, R.; Ortmanns, M.
Continuous-Time Delta-Sigma ADCs With Improved Interferer Rejection
Emerging and Selected Topics in Circuits and Systems, IEEE Journal, vol.5, no.4, pp.500-513
Dezember 2015
239.
Fahmy, S.; Dietl, M.; Sareen, P.; Ortmanns, M.; Anders, J.
A BW-tracking semi-digital PLL with near-optimal VCO phase noise shaping in low-cost 0.4 μm CMOS achieving 700 fs rms phase jitter
IEEE Nordic Circuits and Systems Conference (NORCAS) 2015, Oslo, Norway
Oktober 2015
238.
Elkafrawy, A.; Anders, J.; Ortmanns, M.
A 10-bit Reference Free Current Mode SAR ADC with 58.4 dB SFDR at 50 MS/s in 90 nm CMOS
IEEE Nordic Circuits and Systems Conference (NORCAS), Oslo, Norway
Oktober 2015
237.
Liu, T.; Anders, J.; Ortmanns, M.
A Bidirectional Optical Transcutaneous Telemetric Link for Brain Machine Interface
Electronic letters
September 2015
236.
Ritter, R.; Torta, P.; Dörrer, L.; Di Giandomenico, A.; Herzinger, S.; Ortmanns, M.
A Multimode CT ΔΣ-Modulator with a Reconfigurable Digital Feedback Filter for Semi-Digital Blocker/Interferer Rejection
European Solid-State Circuits Conference (ESSCIRC), Graz, Austria
September 2015

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