Artikel
2016
252.
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
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
251.
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
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
250.
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
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
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
A Hybrid Comparator for High Resolution SAR ADC
IEEE International Symposium on Circuits and Systems (ISCAS 2016), Montréal, Québec, Canada
Mai 2016
248.
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
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
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
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
Design eines Sample-and-Hold Verstärkers für einen 16-Bit SD-Modulator in 180nm CMOS
Analogworkshop 2016, Leibniz Universität Hannover
März 2016
245.
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
Linearisierte Pseudo-Widerstände mit hoher Robustheit für die Raster-Ionenstrommikroskopie
Analogworkshop 2016, Leibniz Universität Hannover
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
A low-power high-sensitivity single-chip receiver for NMR microscopy
Journal of Magnetic Resonance, vol. 266, pp. 41-50
März 2016
243.
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
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
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
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
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
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
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
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.
Elkafrawy,
A.;
Anders,
J.;
Ortmanns,
M.
Design and Validation of a Current Mode Based SAR ADC in 90 nm CMOS
Kleinheubacher Tagung, Miltenberg, Germany
September 2015
Design and Validation of a Current Mode Based SAR ADC in 90 nm CMOS
Kleinheubacher Tagung, Miltenberg, Germany
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
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
235.
Liu,
T.;
Anders,
J.;
Ortmanns,
M.
A Bidirectional Optical Transcutaneous Telemetric Link for Brain Machine Interface
Electronic letters
September 2015
A Bidirectional Optical Transcutaneous Telemetric Link for Brain Machine Interface
Electronic letters
September 2015
234.
Lorenz,
M.;
Becker,
J.;
Ortmanns,
M.
A Hybrid of Unscented Kalman Filter and Genetic Algorithm for State and Parameter Estimation in Sigma-Delta Modulators
Electronics Letters, IEEE
August 2015
A Hybrid of Unscented Kalman Filter and Genetic Algorithm for State and Parameter Estimation in Sigma-Delta Modulators
Electronics Letters, IEEE
August 2015
233.
Handwerker,
J.;
Eschelbach,
M.;
Hoffmann,
A.;
Ortmanns,
M.;
Scheffler,
K.;
Anders,
J.
An Array of Active TX/RX 19F NMR Field Probes for Gradient Trajectory Mapping
Euromar 2015, Prague, Czech Republic
Juli 2015
An Array of Active TX/RX 19F NMR Field Probes for Gradient Trajectory Mapping
Euromar 2015, Prague, Czech Republic
Juli 2015
232.
Chu,
C.;
Anders,
J.;
Becker,
J.;
Ortmanns,
M.
Finite GBW Compensation Technique for CT Delta-Sigma Modulators with Differentiator Based ELD Compensation
IEEE NEWCAS 2015, Grenoble, France
Juni 2015
Finite GBW Compensation Technique for CT Delta-Sigma Modulators with Differentiator Based ELD Compensation
IEEE NEWCAS 2015, Grenoble, France
Juni 2015
231.
Al Marashli,
A.;
Anders,
J.;
Ortmanns,
M.
Design study on a SAR ADC using an incremental sigma-delta-DAC
11th Conference on PhD Research in Microelectronics and Electronics (IEEE PRIME 2015), Glasgow, Scotland, United Kingdom
Juni 2015
Design study on a SAR ADC using an incremental sigma-delta-DAC
11th Conference on PhD Research in Microelectronics and Electronics (IEEE PRIME 2015), Glasgow, Scotland, United Kingdom
Juni 2015
230.
Elkafrawy,
A.;
Anders,
J.;
Ortmanns,
M.
A 10-bit 150 MS/s Current Mode SAR ADC in 90 nm CMOS
11th IEEE Conference on PhD Research in Microelectronics and Electronics (IEEE PRIME 2015), Glasgow, Scotland, United Kingdom
Juni 2015
A 10-bit 150 MS/s Current Mode SAR ADC in 90 nm CMOS
11th IEEE Conference on PhD Research in Microelectronics and Electronics (IEEE PRIME 2015), Glasgow, Scotland, United Kingdom
Juni 2015
229.
Ritter,
R.;
Lorenz,
M.;
Ortmanns,
M.
Anti-Aliasing Filter Improvement in Continuous-Time Feedback Sigma-Delta Modulators
IEEE International Symposium on Circuits and Systems (ISCAS), Lisbon, Portugal
Mai 2015
Anti-Aliasing Filter Improvement in Continuous-Time Feedback Sigma-Delta Modulators
IEEE International Symposium on Circuits and Systems (ISCAS), Lisbon, Portugal
Mai 2015
228.
Lorenz,
M.;
Ritter,
R.;
Anders,
J.;
Ortmanns,
M.
Estimation of Non-Idealities in Sigma-Delta Modulators for Test and Correction Using Unscented Kalman Filters
Circuits and Systems I: Regular Papers, IEEE Transactions on
März 2015
Estimation of Non-Idealities in Sigma-Delta Modulators for Test and Correction Using Unscented Kalman Filters
Circuits and Systems I: Regular Papers, IEEE Transactions on
März 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
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
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
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
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
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
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
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
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
Error Compensation in Continuous-Time Sigma-Delta A/D Converters
Herausgeber: PhD Thesis, Albert-Ludwigs-University Freiburg
2003
Patente
- 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