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

Papers


2018

287.
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Al Marashli, A.; Anders, J.; Becker, J.; Ortmanns, M.
A Nyquist rate SAR ADC employing incremental ΣΔ DAC achieving peak SFDR = 107 dB at 80 kS/s
IEEE Journal of Solid-State Circuits,
2018

2017

286.
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Pagin, M.; Ortmanns, M.
A Neural Data Lossless Compression Scheme Based on Spatial and Temporal Prediction
2017 IEEE Biomedical Circuits and Systems Conference (BioCAS), Torino, Italy,
October 2017
285.
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Schlecker, B.; Chu, A.; Handwerker, J.; Künstner, S.; Ortmanns, M.; Lips, K.; Anders, J.
VCO-Based ESR-on-a-Chip As a Tool for Low-Cost, High-Sensitivity Point-of-Care Diagnostics
IEEE SENSORS 2017, Glasgow, Scotland, UK,
October 2017
284.
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Schlecker, B.; Chu, A.; Handwerker, J.; Künstner, S.; Ortmanns, M.; Lips, K.; Anders, J.
Live Demonstration: a VCO-Based Point-of-Care ESR Spectrometer
2017 IEEE SENSORS, Glasgow, Scotland, UK,
October 2017
283.
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Chu, A.; Schlecker, B.; Handwerker, J.; Künstner, S.; Ortmanns, M.; Lips, K.; Anders, J.
VCO-Based ESR-on-a-Chip As a Tool for Low-Cost, High-Sensitivity Food Quality Control
2017 IEEE Biomedical Circuits and Systems Conference (BioCAS), Torino, Italy,
October 2017
282.
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Handwerker, J.; Schlecker, B.; Ortmanns, M.; Anders, J
Integrated Circuit Technology for Next Generation Point-of-Care Spectroscopy Applications
IEEE Communications Magazine, vol. 55, no. 10, pp. 143–151,
October 2017
281.
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Becker, J.; Pellhammer, D.; Preißner, P.; Glöggler, J. C.; Lapatki, B. G.; Ortmanns, M.
An implant for wireless in situ measurement of lip pressure with 12 sensors
2017 IEEE Biomedical Circuits and Systems Conference (BioCAS), Torino, Italy,
October 2017
280.
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Rajabzadeh, M.; Becker, J.; Ortmanns, M.
Evaluation of Single-Bit Sigma-Delta Modulator DAC for Electrical Impedance Spectroscopy
2017 IEEE Biomedical Circuits and Systems Conference (BioCAS), Torino, Italy,
October 2017
279.
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Djekic, D.; Fantner, G.; Behrends, J.; Lips, K.; Ortmanns, M.; Anders, J.
A Transimpedance Amplifier Using a Widely Tunable PVT-Independent Pseudo-Resistor for High-Performance Current Sensing Applications
43rd European Solid State Circuits Conference (ESSCIRC), Leuven, Belgium,
September 2017
278.
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Djekic, D.; Lips, K.; Behrends, J.; Fantner, G.; Ortmanns, M.; Anders, J.
Linearisierter, Temperatur- und Prozess-unabhängiger Transimpedanzverstärker für hochsensitive Stromausleseschaltungen
Kleinheubacher Tagung, Miltenberg, Germany,
September 2017
277.
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Haas, M.; Rajabzadeh, M.; Ortmanns, M.
Performance evaluation of state-of-the-art neural recorder SoCs
BMT 2017, Dresden, Germany,
September 2017
276.
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Al Marashli, A.; Anders, J.; Becker, J.; Ortmanns, M.
A high linearity SAR ADC employing Sigma-Delta DAC
Kleinheubacher Tagung, Miltenberg, Germany,
September 2017
275.
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Anders, J.; Chu, A.; Handwerker, J.; Schlecker, B.; Ortmanns, M.; Künstner, S.; Möser, J.; Lips, K.
Energy-based modeling of CMOS voltage-controlled oscillators for continuous-wave- and rapid scan ESR experiments
59th Rocky Mountain Conference on Magnetic Resonance, Quebec, Canada,
July 2017
274.
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Haas, M.; Schweizer, B.; Anders, J.; Ortmanns, M.
A miniaturized UWB antenna for implantable data telemetry
International Conference of the IEEE Engineering in Medicine an Biology Society (EMBC) 2017, JeJu, Korea,
July 2017
273.
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Pagin, M.; Ortmanns, M.
Evaluation of Logarithmic vs. Linear ADCs for Neural Signal Acquisition and Reconstruction
39th Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC'17), Jeju Island, South Korea,
July 2017
272.
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Schlecker, B.; Handwerker, J.; Ullrich, H.; Ortmanns, M.; Luy, B.; Lips, K.; Anders, J.
Zero dead time inductive spin detection using LC-tank VCOs
Euromar 2017, Warschau, Polen,
July 2017
271.
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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,
June 2017
270.
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Pagin, M.; Becker, J.; Ortmanns, M.
Evaluation of Spike Sorting and Compression for Digitally Reconfigurable Non-Uniform Quantization
IEEE 15th International NEWCAS Conference, Strasbourg, France,
June 2017
269.
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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,
May 2017
268.
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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,
May 2017
267.
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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,
May 2017
266.
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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,
March 2017

2016

265.
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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,
December 2016
264.
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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,
December 2016
263.
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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,
December 2016

Books


6.
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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
5.
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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
ISBN: 978-3-319-07937-0
4.
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Ortmanns, M.; Buhmann, A.; Manoli, Y.
Interface Circuits in Comprehensive Microsystems
Publisher: Elsevier Pubs.,
2007
3.
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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
ISBN: 1-4244-0460-6
2.
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Ortmanns, M.; Gerfers, F.
Continuous-Time Sigma-Delta A/D Conversion, Fundamentals, Error Correction and Robust Implementations
Publisher: Springer Pubs.,
2005
ISBN: 3-540-28406-0
1.
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Ortmanns, M.
Error Compensation in Continuous-Time Sigma-Delta A/D Converters
Publisher: PhD Thesis, Albert-Ludwigs-University Freiburg,
2003

Patents

  1. R. Ritter, M. Schimper, W. Schelmbauer, M. Ortsmanns
    Analog-to-digital converter, signal processor, and method for analog-to-digital conversion.
    US8760330, Patent record available from the US Patent Office
    2014

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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