Papers
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
185.
Schlecker,
B.;
Ortmanns,
M.;
Anders,
J.
Treiberelektronik zur Anwendung in frequenzmodulierter Rasterkaftmikroskopie
Kleinheubacher Tagung, Miltenberg, Germany
September 2013
Treiberelektronik zur Anwendung in frequenzmodulierter Rasterkaftmikroskopie
Kleinheubacher Tagung, Miltenberg, Germany
September 2013
184.
Malhotra,
G.;
Becker,
J.;
Ortmanns,
M.
Novel Field Programmable Embryonic Cell for Adder and Multiplier
9th Conference on Ph.D. Research in Microelectronics and Electronics (PRIME 2013), Villach, Austria
June 2013
Novel Field Programmable Embryonic Cell for Adder and Multiplier
9th Conference on Ph.D. Research in Microelectronics and Electronics (PRIME 2013), Villach, Austria
June 2013
183.
Bihr,
U.;
Ungru,
T.;
Xu,
H.;
Anders,
J.;
Becker,
J.;
Ortmanns,
M.
A Bidirectional Neural Interface with a HV Stimulator and a LV Neural Amplifier
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
A Bidirectional Neural Interface with a HV Stimulator and a LV Neural Amplifier
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
182.
Xu,
H.;
Bihr,
U.;
Becker,
J.;
Ortmanns,
M.
A Multi-channel Neural Stimulator with Resonance Compensated Inductive Receiver and Closed-loop Smart Power Management
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
A Multi-channel Neural Stimulator with Resonance Compensated Inductive Receiver and Closed-loop Smart Power Management
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
181.
Kauffman,
J. G.;
Ritter,
R.;
Chu,
C.;
Ortmanns,
M.
A Native Switched DAC Cell with low ISI for CT Delta Sigma Modulators
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
A Native Switched DAC Cell with low ISI for CT Delta Sigma Modulators
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
180.
Chu,
C.;
Brückner,
T.;
Kauffman,
J. G.;
Anders,
J.;
Becker,
J.;
Ortmanns,
M.
Analysis and Design of High Speed/High Linearity CT Delta Sigma Modulators
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
Analysis and Design of High Speed/High Linearity CT Delta Sigma Modulators
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
179.
Brückner,
T.;
Kiebler,
M.;
Lorenz,
M.;
Zorn,
C.;
Mathis,
W.;
Ortmanns,
M.
Calculating Transfer Functions of CT Sigma-Delta Modulators with Arbitrary DAC Waveforms
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
Calculating Transfer Functions of CT Sigma-Delta Modulators with Arbitrary DAC Waveforms
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
178.
Lorenz,
M.;
Brückner,
T.;
Ritter,
R.;
Ortmanns,
M.
Concurrent Estimation of Amplifier Nonidealities and Excess Loop Delay in Continuous-Time Sigma-Delta Modulators
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
Concurrent Estimation of Amplifier Nonidealities and Excess Loop Delay in Continuous-Time Sigma-Delta Modulators
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
177.
Ritter,
R.;
Kauffman,
J. G.;
Lorenz,
M.;
Ortmanns,
M.
Integrator Swing Reduction in Feedback Compensated Sigma Delta Modulators
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
Integrator Swing Reduction in Feedback Compensated Sigma Delta Modulators
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
176.
Kauffman,
J. G.;
Ritter,
R.;
Chu,
C.;
Becker,
J.;
Ortmanns,
M.
Low Power Quantizer Design in CT Delta Sigma Modulators
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
Low Power Quantizer Design in CT Delta Sigma Modulators
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
175.
Schlecker,
B.;
Ortmanns,
M.;
Fantner,
G.;
Anders,
J.
PLL-based high-speed demodulation of FM signals for real-time AFM applications
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
PLL-based high-speed demodulation of FM signals for real-time AFM applications
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
174.
Liu,
T.;
Anders,
J.;
Ortmanns,
M.
System Level Model for Transcutaneous Optical Telemetric Link
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
System Level Model for Transcutaneous Optical Telemetric Link
IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China
May 2013
173.
Liu,
T.;
Xu,
H.;
Ortmanns,
M.
Light Tissue Interaction for transcutaneous Optical Telemetric Link
Analog 2013, Aachen, Germany
March 2013
Light Tissue Interaction for transcutaneous Optical Telemetric Link
Analog 2013, Aachen, Germany
March 2013
172.
Schlecker,
B.;
Anders,
J.;
Ortmanns,
M.
PLL-basierte Demodulation von FM Signalen für frequenzmodulierte Hochgeschwindigkeitsrasterkraftmikroskopie
15. Workshop Analogschaltungen 2013, Reutlingen, Germany
February 2013
PLL-basierte Demodulation von FM Signalen für frequenzmodulierte Hochgeschwindigkeitsrasterkraftmikroskopie
15. Workshop Analogschaltungen 2013, Reutlingen, Germany
February 2013
2012
171.
Bulach,
C.;
Bihr,
U.;
Ortmanns,
M.
Evaluating the Influence of the Bit Error Rate on the Information of Neural Spike Signals
19th IEEE International Conference on Electronics, Circuits and Systems (ICECS), Seville, Spain
December 2012
Evaluating the Influence of the Bit Error Rate on the Information of Neural Spike Signals
19th IEEE International Conference on Electronics, Circuits and Systems (ICECS), Seville, Spain
December 2012
170.
Brückner,
T.;
Kiebler,
M.;
Zorn,
C.;
Mathis,
W.;
Ortmanns,
M.
Discrete-Time Simulation of Arbitrary Digital/Analog Converter Waveforms in Continuous-Time Sigma-Delta Modulators
19th IEEE International Conference on Electronics, Circuits and Systems (ICECS), Seville, Spain
December 2012
Discrete-Time Simulation of Arbitrary Digital/Analog Converter Waveforms in Continuous-Time Sigma-Delta Modulators
19th IEEE International Conference on Electronics, Circuits and Systems (ICECS), Seville, Spain
December 2012
169.
Lorenz,
M.;
Maurer,
M.;
Manoli,
Y.;
Ortmanns,
M.
Joint Estimation of Filter Nonidealities in Continuous-Time Sigma-Delta Modulators by using an Unscented Kalman Filter
19th IEEE International Conference on Electronics, Circuits and Systems (ICECS), Seville, Spain
December 2012
Joint Estimation of Filter Nonidealities in Continuous-Time Sigma-Delta Modulators by using an Unscented Kalman Filter
19th IEEE International Conference on Electronics, Circuits and Systems (ICECS), Seville, Spain
December 2012
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