Papers
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.
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
208.
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
207.
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
206.
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
205.
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
204.
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
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
202.
Schlecker,
B.;
Dukic,
M.;
Erickson,
B.;
Ortmanns,
M.;
Fantner,
G.;
Anders,
J.
Single-Cycle-PLL Detection for Real-Time FM-AFM Applications
Biomedical Circuits and Systems, IEEE Transactions on, Vol. PP, no. 99
April 2014
Single-Cycle-PLL Detection for Real-Time FM-AFM Applications
Biomedical Circuits and Systems, IEEE Transactions on, Vol. PP, no. 99
April 2014
201.
Kauffman,
J. G.;
Witte,
P.;
Lehmann,
M.;
Becker,
J.;
Manoli,
Y.;
Ortmanns,
M.
A 72 dB DR, CT ΔΣ Modulator Using Digitally Estimated, Auxiliary DAC Linearization Achieving 88 fJ/conv-step in a 25 MHz BW
IEEE Journal of Solid-State Circuits, Vol. 49, No. 2
February 2014
A 72 dB DR, CT ΔΣ Modulator Using Digitally Estimated, Auxiliary DAC Linearization Achieving 88 fJ/conv-step in a 25 MHz BW
IEEE Journal of Solid-State Circuits, Vol. 49, No. 2
February 2014
200.
Elkafrawy,
A.;
Anders,
J.;
Ortmanns,
M.
A High Speed Current Steering DAC Based Current Mode SAR ADC
Analog Circuits Workshop, Vienna, Austria
February 2014
A High Speed Current Steering DAC Based Current Mode SAR ADC
Analog Circuits Workshop, Vienna, Austria
February 2014
2013
199.
Lorenz,
M.;
Brückner,
T.;
Anders,
J.;
Ortmanns,
M.
An Advanced Unscented Kalman Filter Algorithm for Parameter Estimation in Continuous-Time Sigma-Delta Modulators
20th IEEE International Conference on Electronics, Circuits and Systems (ICECS), Abu Dhabi, UAE
December 2013
An Advanced Unscented Kalman Filter Algorithm for Parameter Estimation in Continuous-Time Sigma-Delta Modulators
20th IEEE International Conference on Electronics, Circuits and Systems (ICECS), Abu Dhabi, UAE
December 2013
198.
Elkafrawy,
A.;
Anders,
J.;
Brückner,
T.;
Ortmanns,
M.
Design of a Current Steering DAC for a High Speed Current Mode SAR ADC
20th IEEE International Conference on Electronics, Circuits and Systems (ICECS), Abu Dhabi, UAE
December 2013
Design of a Current Steering DAC for a High Speed Current Mode SAR ADC
20th IEEE International Conference on Electronics, Circuits and Systems (ICECS), Abu Dhabi, UAE
December 2013
197.
Brückner,
T.;
Kiebler,
M.;
Lorenz,
M.;
Zorn,
C.;
Anders,
J.;
Mathis,
W.;
Ortmanns,
M.
Discrete-Time Simulation of Continuous-Time ΣΔ Modulators With Arbitrary Input Signals
20th IEEE International Conference on Electronics, Circuits and Systems (ICECS), Abu Dhabi, UAE
December 2013
Discrete-Time Simulation of Continuous-Time ΣΔ Modulators With Arbitrary Input Signals
20th IEEE International Conference on Electronics, Circuits and Systems (ICECS), Abu Dhabi, UAE
December 2013
196.
Anders,
J.;
Boero,
G.;
Handwerker,
J.;
Ortmanns,
M.
A fully-integrated detector for NMR microscopy in 0.13 µm CMOS
IEEE Asian Solid-State Circuits Conference (A-SSCC) 2013, Singapore
November 2013
A fully-integrated detector for NMR microscopy in 0.13 µm CMOS
IEEE Asian Solid-State Circuits Conference (A-SSCC) 2013, Singapore
November 2013
195.
Kauffman,
J. G.;
Chu,
C.;
Becker,
J.;
Ortmanns,
M.
A 67 dB DR 50MHz BW CT Delta Sigma Modulator Achieving 207 fJ/conv
Asian Solid-State Circuits Conference, Singapore
November 2013
A 67 dB DR 50MHz BW CT Delta Sigma Modulator Achieving 207 fJ/conv
Asian Solid-State Circuits Conference, Singapore
November 2013
194.
Handwerker,
J.;
Eschelbach,
M.;
Chang,
P.;
Henning,
A.;
Scheffler,
K.;
Ortmanns,
M.;
Anders,
J.
An Active TX/RX NMR Probe for Real-Time Monitoring of MRI Field Imperfections
IEEE Biomediocal Circuits and Systems Conference (BiOCAS) 2013, Rotterdam, The Netherlands
October 2013
An Active TX/RX NMR Probe for Real-Time Monitoring of MRI Field Imperfections
IEEE Biomediocal Circuits and Systems Conference (BiOCAS) 2013, Rotterdam, The Netherlands
October 2013
193.
Liu,
T.;
Anders,
J.;
Ortmanns,
M.
Design Optimization of the Optical Receiver in Transcutaneous Telemetric Links
IEEE Biomediocal Circuits and Systems Conference (BiOCAS) 2013, Rotterdam, The Netherlands
October 2013
Design Optimization of the Optical Receiver in Transcutaneous Telemetric Links
IEEE Biomediocal Circuits and Systems Conference (BiOCAS) 2013, Rotterdam, The Netherlands
October 2013
192.
Bihr,
U.;
Anders,
J.;
Becker,
J.;
Ortmanns,
M.
A high-voltage neural stimulator combined with a low voltage recorder
BMT 2013, Graz, Austria
September 2013
A high-voltage neural stimulator combined with a low voltage recorder
BMT 2013, Graz, Austria
September 2013
191.
Handwerker,
J.;
Bonehi,
V.;
Eschelbach,
M.;
Scheffler,
K.;
Ortmanns,
M.;
Anders,
J.
An active transmit/receive NMR magnetometer for field monitoring in ultra high field MRI scanners
BMT 2013, Graz, Austria
September 2013
An active transmit/receive NMR magnetometer for field monitoring in ultra high field MRI scanners
BMT 2013, Graz, Austria
September 2013
190.
Anders,
J.;
Ortmanns,
M.
Frequency noise of CMOS LC tank oscillators operating in weak inversion
21st European Conference on Circuit Theory and Design (ECCTD), Dresden, Germany
September 2013
Frequency noise of CMOS LC tank oscillators operating in weak inversion
21st European Conference on Circuit Theory and Design (ECCTD), Dresden, Germany
September 2013
189.
Schlecker,
B.;
Fantner,
G.;
Ortmanns,
M.;
Anders,
J.
Novel Electronics for High-speed FM AFM in Life Science Applications
21st European Conference on Circuit Theory and Design (ECCTD), Dresden, Germany
September 2013
Novel Electronics for High-speed FM AFM in Life Science Applications
21st European Conference on Circuit Theory and Design (ECCTD), Dresden, Germany
September 2013
188.
Elkafrawy,
A.;
Anders,
J.;
Ortmanns,
M.
An Approach to High Speed SAR ADCs
Kleinheubacher Tagung, Miltenberg, Germany
September 2013
An Approach to High Speed SAR ADCs
Kleinheubacher Tagung, Miltenberg, Germany
September 2013
187.
Lorenz,
M.;
Brückner,
T.;
Ritter,
R.;
Ortmanns,
M.
Gemeinsame Schätzung von Nichtidealitäten in zeitkontinuierlichen Sigma-Delta Modulatoren
Kleinheubacher Tagung, Miltenberg, Germany
September 2013
Gemeinsame Schätzung von Nichtidealitäten in zeitkontinuierlichen Sigma-Delta Modulatoren
Kleinheubacher Tagung, Miltenberg, Germany
September 2013
186.
Zorn,
C.;
Thiessen,
T.;
Brückner,
T.;
Ortmanns,
M.;
Mathis,
W.
State Space Analysis of Mixed Signal Systems with Switched Feedback and Delay
21th European Conference on Circuit Theory and Design (ECCTD), Dresden, Germany
September 2013
State Space Analysis of Mixed Signal Systems with Switched Feedback and Delay
21th European Conference on Circuit Theory and Design (ECCTD), Dresden, Germany
September 2013
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