Papers
2015
227.
Schlecker,
B.;
Eichel,
A.;
Ortmanns,
M.;
Fantner,
G.;
Anders,
J.
Modeling and Design of high-speed FM-AFM driver electronics using Cadence Virtuoso® and Simulink®
8th Vienna International Conferenceon Mathematical Modelling — MATHMOD
February 2015
Modeling and Design of high-speed FM-AFM driver electronics using Cadence Virtuoso® and Simulink®
8th Vienna International Conferenceon Mathematical Modelling — MATHMOD
February 2015
2014
226.
Al Marashli,
A.;
Anders,
J.;
Ortmanns,
M.
Employing Incremental Sigma Delta DACs for High Resolution SAR ADC
21st IEEE International Conference on Electronics, Circuits and Systems (ICECS), Marseille, France
December 2014
Employing Incremental Sigma Delta DACs for High Resolution SAR ADC
21st IEEE International Conference on Electronics, Circuits and Systems (ICECS), Marseille, France
December 2014
225.
Elkafrawy,
A.;
Al Marashli,
A.;
Ritter,
R.;
Anders,
J.;
Ortmanns,
M.
Design of a High Linearity Gm Stage for a High Speed Current Mode SAR ADC
21st IEEE International Conference on Electronics, Circuits and Systems (ICECS), Marseille, France
December 2014
Design of a High Linearity Gm Stage for a High Speed Current Mode SAR ADC
21st IEEE International Conference on Electronics, Circuits and Systems (ICECS), Marseille, France
December 2014
224.
Xu,
H.;
Handwerker,
J.;
Ortmanns,
M.
Telemetry for Implantable Medical Devices: Part 2 – Power Telemetry
IEEE Solid State Circuits Society Magazine, Vol. 6, No. 3, pp. 60 – 63
November 2014
Telemetry for Implantable Medical Devices: Part 2 – Power Telemetry
IEEE Solid State Circuits Society Magazine, Vol. 6, No. 3, pp. 60 – 63
November 2014
223.
Völker,
M.;
Pashmineh,
S.;
Hauer,
J.;
Ortmanns,
M.
Current Feedback Linearization Applied to Oscillator Based ADCs
IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 61, no. 11, pp. 3066-3074
November 2014
Current Feedback Linearization Applied to Oscillator Based ADCs
IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 61, no. 11, pp. 3066-3074
November 2014
222.
Bihr,
U.;
Haas,
M.;
Anders,
J.;
Ortmanns,
M.
Comparison of Different Compression Schemes for Neural Spike Signals
BMT 2014, Hannover, Germany
October 2014
Comparison of Different Compression Schemes for Neural Spike Signals
BMT 2014, Hannover, Germany
October 2014
221.
Liu,
T.;
Bihr,
U.;
Becker,
J.;
Anders,
J.;
Ortmanns,
M.
In Vivo Verification of a 100 Mbps Transcutaneous Optical Telemetric Link
IEEE/CAS-EMB Biomedical Circuits and Systems Conference 2014, Lausanne, Switzerland
October 2014
In Vivo Verification of a 100 Mbps Transcutaneous Optical Telemetric Link
IEEE/CAS-EMB Biomedical Circuits and Systems Conference 2014, Lausanne, Switzerland
October 2014
220.
Liu,
T.;
Anders,
J.;
Ortmanns,
M.
Design of an Optical Transcutaneous Forward Data Telemetry for Brain Machine Interface
48th annual conference of the German Society for Biomedical Engineering, Hannover, Germany
October 2014
Design of an Optical Transcutaneous Forward Data Telemetry for Brain Machine Interface
48th annual conference of the German Society for Biomedical Engineering, Hannover, Germany
October 2014
219.
Handwerker,
J.;
Hoffmann,
A.;
Eschelbach,
M.;
Scheffler,
K.;
Ortmanns,
M.;
Anders,
J.
A distributed active NMR sensor array for artifact correction in ultra high field MRI applications
48th annual conference of the German Society for Biomedical Engineering, Hannover, Germany
October 2014
A distributed active NMR sensor array for artifact correction in ultra high field MRI applications
48th annual conference of the German Society for Biomedical Engineering, Hannover, Germany
October 2014
218.
Bihr,
U.;
Anders,
J.;
Rickert,
J.;
Schüttler,
M.;
Moeller,
A.;
Boven,
K. H.;
Becker,
J.;
Ortmanns,
M.
A Neural Recorder IC with HV Input Multiplexer for Voltage and Current Stimulation with 18V Compliance
IEEE ESSCIRC 2014, Venedig, Italien
September 2014
A Neural Recorder IC with HV Input Multiplexer for Voltage and Current Stimulation with 18V Compliance
IEEE ESSCIRC 2014, Venedig, Italien
September 2014
217.
Elkafrawy,
A.;
Anders,
J.;
Ortmanns,
M.
Design of a High Resolution Transimpedance Amplifier for a High Speed Current Mode SAR ADC
Kleinheubacher Tagung, Miltenberg, Germany
September 2014
Design of a High Resolution Transimpedance Amplifier for a High Speed Current Mode SAR ADC
Kleinheubacher Tagung, Miltenberg, Germany
September 2014
216.
Hoffmann,
A.;
Handwerker,
J.;
Ortmanns,
M.;
Anders,
J.
Ein Array von NMR Feldsensoren zur Korrektur gradienteninduzierter Artefakte bei der Hochfeld MR-Bildgebung
Kleinheubacher Tagung, Miltenberg, Germany
September 2014
Ein Array von NMR Feldsensoren zur Korrektur gradienteninduzierter Artefakte bei der Hochfeld MR-Bildgebung
Kleinheubacher Tagung, Miltenberg, Germany
September 2014
215.
Al Marashli,
A.;
Anders,
J.;
Ortmanns,
M.
Ein SAR A/D Umsetzer mit neuartigem Rückkopplungs-D/A Umsetzer für hohe Auflösungen
Kleinheubacher Tagung, Miltenberg, Germany
September 2014
Ein SAR A/D Umsetzer mit neuartigem Rückkopplungs-D/A Umsetzer für hohe Auflösungen
Kleinheubacher Tagung, Miltenberg, Germany
September 2014
214.
Elkafrawy,
A.;
Anders,
J.;
Ortmanns,
M.
A High Resolution Transimpedance Amplifier for Use in a 10-bit 200 MS/s Current Mode SAR ADC
57th IEEE International Midwest Symposium on Circuits and Systems (MWSCAS), College Station, Texas, USA
August 2014
A High Resolution Transimpedance Amplifier for Use in a 10-bit 200 MS/s Current Mode SAR ADC
57th IEEE International Midwest Symposium on Circuits and Systems (MWSCAS), College Station, Texas, USA
August 2014
213.
Liu,
T.;
Cai,
Z.;
Anders,
J.;
Ortmanns,
M.
A Bootstrap Transimpedance Amplifier for High Speed Optical Transcutaneous Wireless Links
10th Conference on Ph.D. Research in Microelectronices and Electronices, Grenoble, France
July 2014
A Bootstrap Transimpedance Amplifier for High Speed Optical Transcutaneous Wireless Links
10th Conference on Ph.D. Research in Microelectronices and Electronices, Grenoble, France
July 2014
212.
Lorenz,
M.;
Maurer,
M.;
Manoli,
Y.;
Ortmanns,
M.
A Spherical Simplex Unscented Kalman Filter with Smart Sigma-Point Processing for Estimations in CT Sigma-Delta Modulators
IEEE NEWCAS 2014, Trois-Rivières, Kanada
June 2014
A Spherical Simplex Unscented Kalman Filter with Smart Sigma-Point Processing for Estimations in CT Sigma-Delta Modulators
IEEE NEWCAS 2014, Trois-Rivières, Kanada
June 2014
211.
Ritter,
R.;
Lorenz,
M.;
Chu,
C.;
Ortmanns,
M.
A High Open Loop Gain Common Mode Feedback Technique for Fully Differential Amplifiers
IEEE NEWCAS 2014, Trois-Rivières, Kanada
June 2014
A High Open Loop Gain Common Mode Feedback Technique for Fully Differential Amplifiers
IEEE NEWCAS 2014, Trois-Rivières, Kanada
June 2014
210.
Bihr,
U.;
Xu,
H.;
Bulach,
C.;
Lorenz,
M.;
Anders,
J.;
Ortmanns,
M.
Real-Time Data Compression of Neural Spikes
IEEE NEWCAS 2014, Trois-Rivières, Kanada
June 2014
Real-Time Data Compression of Neural Spikes
IEEE NEWCAS 2014, Trois-Rivières, Kanada
June 2014
209.
Liu,
T.;
Bihr,
U.;
Anders,
J.;
Ortmanns,
M.
Performance Evaluation of a Low Power Optical Wireless Link for Biomedical Data Transfer
IEEE International Symposium on Circuits and Systems (ISCAS), Melbourne, Australia
June 2014
Performance Evaluation of a Low Power Optical Wireless Link for Biomedical Data Transfer
IEEE International Symposium on Circuits and Systems (ISCAS), Melbourne, Australia
June 2014
208.
Chu,
C.;
Kauffman,
J. G.;
Anders,
J.;
Becker,
J.;
Ortmanns,
M.;
Epp,
M.;
Chartier,
S.
A 1.92-GS/s CT ΔΣ modulator with 70-db DR and 78-db SFDR in 15-MHz bandwidth
IEEE NEWCAS 2014, Trois-Rivières, Kanada
June 2014
A 1.92-GS/s CT ΔΣ modulator with 70-db DR and 78-db SFDR in 15-MHz bandwidth
IEEE NEWCAS 2014, Trois-Rivières, Kanada
June 2014
207.
Ritter,
R.;
Handwerker,
J.;
Ortmanns,
M.
Telemetry for Implantable Medical Devices: Part 1 - Media Properties and Standards
IEEE Solid State Circuits Society Magazine, Vol. 6, No. 2, pp. 47 – 51
June 2014
Telemetry for Implantable Medical Devices: Part 1 - Media Properties and Standards
IEEE Solid State Circuits Society Magazine, Vol. 6, No. 2, pp. 47 – 51
June 2014
206.
Xu,
H.;
Lorenz,
M.;
Bihr,
U.;
Anders,
J.;
Ortmanns,
M.
Wide-Band Efficiency-Enhanced CMOS Rectifier
IEEE International Symposium on Circuits and Systems (ISCAS), Melbourne, Australia
June 2014
Wide-Band Efficiency-Enhanced CMOS Rectifier
IEEE International Symposium on Circuits and Systems (ISCAS), Melbourne, Australia
June 2014
205.
Lorenz,
M.;
Ritter,
R.;
Becker,
J.;
Ortmanns,
M.
A Genetic Algorithm for the Estimation of Nonidealities in Continuous-Time Sigma-Delta Modulators
Transactions on Circuits and Systems II, Vol. 61, no.6, pp. 388-392
June 2014
A Genetic Algorithm for the Estimation of Nonidealities in Continuous-Time Sigma-Delta Modulators
Transactions on Circuits and Systems II, Vol. 61, no.6, pp. 388-392
June 2014
204.
Lorenz,
M.;
Brückner,
T.;
Ritter,
R.;
Anders,
J.;
Ortmanns,
M.
A Square Root Unscented Kalman Filter for Estimating DAC and Loopfilter Nonidealities in Continuous-Time Sigma-Delta Modulators
IEEE International Symposium on Circuits and Systems (ISCAS), Melbourne, Australia
June 2014
A Square Root Unscented Kalman Filter for Estimating DAC and Loopfilter Nonidealities in Continuous-Time Sigma-Delta Modulators
IEEE International Symposium on Circuits and Systems (ISCAS), Melbourne, Australia
June 2014
203.
Brückner,
T.;
Zorn,
C.;
Anders,
J.;
Becker,
J.;
Mathis,
W.;
Ortmanns,
M.
A GPU-Accelerated Web-Based Synthesis Tool for CT Sigma-Delta Modulators
Circuits and Systems I: Regular Papers, IEEE Transactions on, vol.61, no.5, pp.1429,1441
May 2014
A GPU-Accelerated Web-Based Synthesis Tool for CT Sigma-Delta Modulators
Circuits and Systems I: Regular Papers, IEEE Transactions on, vol.61, no.5, pp.1429,1441
May 2014
Books
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
January 2023
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
January 2023
| DOI: | doi.org/10.1007/978-3-031-22231-3_5 |
2021
8.
Haas,
M.;
Ortmanns,
M.
Neural Stimulation Circuits
Publisher: River Publishers
Selected Topics in Biomedical Circuits and Systems, Eds Minkyu Je and Myung Hoon Sunwoo Edition
February 2021
Neural Stimulation Circuits
Publisher: River Publishers
Selected Topics in Biomedical Circuits and Systems, Eds Minkyu Je and Myung Hoon Sunwoo Edition
February 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
Publisher: Springer
2019
Next-Generation ADCs, High-Performance Power Management, and Technology Considerations for Advanced Integrated Circuits: Advances in Analog Circuit Design 2019
Publisher: Springer
2019
| ISBN: | 978-3030252663 |
2016
6.
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
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 |
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
Publisher: Springer
2014
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
2007
4.
Ortmanns,
M.;
Buhmann,
A.;
Manoli,
Y.
Interface Circuits in Comprehensive Microsystems
Publisher: Elsevier Pubs.
2007
Interface Circuits in Comprehensive Microsystems
Publisher: 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
Publisher: in Advanced Signal Processing, Circuits, and Systems Design Techniques for Communications, (eds. Paliouras, V.; Stouraitis, Th.; Ioinovici, A.)
2006
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
2005
2.
Ortmanns,
M.;
Gerfers,
F.
Continuous-Time Sigma-Delta A/D Conversion, Fundamentals, Error Correction and Robust Implementations
Publisher: Springer Pubs.
2005
Continuous-Time Sigma-Delta A/D Conversion, Fundamentals, Error Correction and Robust Implementations
Publisher: Springer Pubs.
2005
2003
1.
Ortmanns,
M.
Error Compensation in Continuous-Time Sigma-Delta A/D Converters
Publisher: PhD Thesis, Albert-Ludwigs-University Freiburg
2003
Error Compensation in Continuous-Time Sigma-Delta A/D Converters
Publisher: PhD Thesis, Albert-Ludwigs-University Freiburg
2003
Patents
- A. Herkle, J. Becker, M. Ortmanns
[DE] Verfahren und Vorrichtung zur Erzeugung einer digitalen Signatur
DE102016204055A1, Patent record available from the German Patent
2016 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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