Papers
2009
85.
Witte,
P.;
Ortmanns,
M.
A Background DAC Error Estimation in Sigma-Delta ADCs Using a Pseudo Random Noise Based Correlation Technique
IEEE Int. Symp. on Circuits and Systems (ISCAS), Taipei, Taiwan
2009
A Background DAC Error Estimation in Sigma-Delta ADCs Using a Pseudo Random Noise Based Correlation Technique
IEEE Int. Symp. on Circuits and Systems (ISCAS), Taipei, Taiwan
2009
84.
Henrici,
F.;
Becker,
J.;
Trendelenburg,
S.;
De Dorigo,
D.;
Ortmanns,
M.;
Manoli,
Y.
A Field Programmable Analog Array Using Floating Gates for High Resolution Tuning
IEEE Int. Symp. on Circuits and Systems (ISCAS), Taipei, Taiwan
2009
A Field Programmable Analog Array Using Floating Gates for High Resolution Tuning
IEEE Int. Symp. on Circuits and Systems (ISCAS), Taipei, Taiwan
2009
83.
Sooksood,
K.;
Stieglitz,
T.;
Ortmanns,
M.
An Active Approach for Charge Balancing in Functional Electrical Stimulation
IEEE Int. Symp. on Circuits and Systems (ISCAS), Taipei, Taiwan
2009
An Active Approach for Charge Balancing in Functional Electrical Stimulation
IEEE Int. Symp. on Circuits and Systems (ISCAS), Taipei, Taiwan
2009
82.
Sooksood,
K.;
Stieglitz,
T.;
Ortmanns,
M.
An Experimental Study on Passive Charge Balancing
Advances in Radio Science, Vol. 7, pp. 197-200
2009
An Experimental Study on Passive Charge Balancing
Advances in Radio Science, Vol. 7, pp. 197-200
2009
81.
Sooksood,
K.;
Stieglitz,
T.;
Ortmanns,
M.
Recent Advances in Charge Balancing for Functional Electrical Stimulation
Annual Int. Conference of the IEEE Engineering in Medicine and Biology Society (EMBC 2009), Minneapolis, Minnesota, USA
2009
Recent Advances in Charge Balancing for Functional Electrical Stimulation
Annual Int. Conference of the IEEE Engineering in Medicine and Biology Society (EMBC 2009), Minneapolis, Minnesota, USA
2009
80.
Keller,
M.;
Buhmann,
A.;
Ortmanns,
M.;
Manoli,
Y.
Systematic approach to the synthesis of continuous-time cascaded sigma–delta modulators
Analog Integrated Circuits and Signal Processing, Springer, pp. 155-164, Vol. 60, Nr. 1-2, Aug.
2009
Systematic approach to the synthesis of continuous-time cascaded sigma–delta modulators
Analog Integrated Circuits and Signal Processing, Springer, pp. 155-164, Vol. 60, Nr. 1-2, Aug.
2009
2008
79.
Becker,
J.;
Henrici,
F.;
Trendelenburg,
S.;
Ortmanns,
M.;
Manoli,
Y.
A Field-Programmable Analog Array of 55 Digitally Tunable OTAs in a Hexagonal Lattice
IEEE Journal of Solid-State Circuits, 43 (12) :2759 - 2768
December 2008
A Field-Programmable Analog Array of 55 Digitally Tunable OTAs in a Hexagonal Lattice
IEEE Journal of Solid-State Circuits, 43 (12) :2759 - 2768
December 2008
78.
Maurath,
D.;
Michel,
F.;
Ortmanns,
M.;
Manoli,
Y.
A 0.5V Rail-to-Rail 1.5 µW CMOS Amplifier for Micro-Energy Harvesting Applications
IEEE Midwest Symposium on Circuits and Systems (MWSCAS), Knoxville, USA
2008
A 0.5V Rail-to-Rail 1.5 µW CMOS Amplifier for Micro-Energy Harvesting Applications
IEEE Midwest Symposium on Circuits and Systems (MWSCAS), Knoxville, USA
2008
77.
Hehn,
T.;
Peters,
C.;
Hagedorn,
F.;
Ortmanns,
M.;
Manoli,
Y.
A CMOS Integrated Interface for Piezoelectric Generators
Proc. PowerMEMS 2008+ microEMS2008, November 9-12,457-460, Sendai, Japan
2008
A CMOS Integrated Interface for Piezoelectric Generators
Proc. PowerMEMS 2008+ microEMS2008, November 9-12,457-460, Sendai, Japan
2008
76.
Peters,
C.;
Spreemann,
D.;
Ortmanns,
M.;
Manoli,
Y.
A CMOS integrated voltage and power efficient AC/DC converter for energy harvesting applications
Journal of Micromechanics Microengineering, JMM, 18 104005
2008
A CMOS integrated voltage and power efficient AC/DC converter for energy harvesting applications
Journal of Micromechanics Microengineering, JMM, 18 104005
2008
75.
Keller,
M.;
Buhmann,
A.;
Ortmanns,
M.;
Manoli,
Y.
A Comparative Study on Excess Loop Delay Compensation Techniques for Continuous-Time Sigma-Delta Modulators
IEEE Trans. on Circuits and Systems I
2008
A Comparative Study on Excess Loop Delay Compensation Techniques for Continuous-Time Sigma-Delta Modulators
IEEE Trans. on Circuits and Systems I
2008
74.
Becker,
J.;
Henrici,
F.;
Trendelenburg,
S.;
Ortmanns,
M.;
Manoli,
Y.
A continuous-time hexagonal field programmable analog array in 0.13µm CMOS with 186 MHz GBW
IEEE Int. Conf. on Solid State Circuits (ISSCC), San Francisco, USA
2008
A continuous-time hexagonal field programmable analog array in 0.13µm CMOS with 186 MHz GBW
IEEE Int. Conf. on Solid State Circuits (ISSCC), San Francisco, USA
2008
73.
Becker,
J.;
Henrici,
F.;
Trendelenburg,
S.;
Ortmanns,
M.;
Manoli,
Y.
A Field Programmable Analog Array (FPAA) for reconfigurable instantiation of continuous-time filter
Presentation at CDNlive! EMEA Student Design Contest
2008
A Field Programmable Analog Array (FPAA) for reconfigurable instantiation of continuous-time filter
Presentation at CDNlive! EMEA Student Design Contest
2008
72.
Henrici,
F.;
Becker,
J.;
Ortmanns,
M.;
Manoli,
Y.
A Floating-Gate Field Programmable Analog Array in 0.13 µm CMOS with 200 MHz GBW
IEEE Int. Conf. on Solid State Circuits (ISSCC), Student Forum, San Francisco, USA
2008
A Floating-Gate Field Programmable Analog Array in 0.13 µm CMOS with 200 MHz GBW
IEEE Int. Conf. on Solid State Circuits (ISSCC), Student Forum, San Francisco, USA
2008
71.
Becker,
J.;
Henrici,
F.;
Trendelenburg,
S.;
Ortmanns,
M.;
Manoli,
Y.
A Hexagonal Field Progammable Analog Array Consisting of 55 Tunable OTAs with 186 MHz GBW
IEEE Int. Symp. on Circuits and Systems (ISCAS), Seattle, USA
2008
A Hexagonal Field Progammable Analog Array Consisting of 55 Tunable OTAs with 186 MHz GBW
IEEE Int. Symp. on Circuits and Systems (ISCAS), Seattle, USA
2008
70.
Anders,
J.;
Mathis,
W.;
Ortmanns,
M.
A new optimization approach for the automatic design of Sigma Delta-modulators
Proceedings of 2008 IEEE International Symposium on Circuits and Systems, Vols 1-10, p. 1432-1435
2008
A new optimization approach for the automatic design of Sigma Delta-modulators
Proceedings of 2008 IEEE International Symposium on Circuits and Systems, Vols 1-10, p. 1432-1435
2008
69.
Anders,
J.;
Mathis,
W.;
Ortmanns,
M.
A New Optimization Approach for the Automatic Design of Sigma-Delta-Modulators
IEEE Int. Symp. on Circuits and Systems (ISCAS), Seattle, USA
2008
A New Optimization Approach for the Automatic Design of Sigma-Delta-Modulators
IEEE Int. Symp. on Circuits and Systems (ISCAS), Seattle, USA
2008
68.
Henrici,
F.;
Becker,
J.;
Ortmanns,
M.;
Manoli,
Y.
A Switchable Folded-Cascode OTA without Transmission Gates in the Signal Path
Norchip Conference, Tallin
2008
A Switchable Folded-Cascode OTA without Transmission Gates in the Signal Path
Norchip Conference, Tallin
2008
67.
Sooksood,
K.;
Stieglitz,
T.;
Ortmanns,
M.
An Experimental Study on Passive Charge Balancing
13th Annual International FES Society Conference 2008, Freiburg, Germany
2008
An Experimental Study on Passive Charge Balancing
13th Annual International FES Society Conference 2008, Freiburg, Germany
2008
66.
Sooksood,
K.;
Stieglitz,
T.;
Ortmanns,
M.
An Experimental Study on Passive Charge Balancing
Kleinheubacher Tagung 2008, Miltenberg, Germany
2008
An Experimental Study on Passive Charge Balancing
Kleinheubacher Tagung 2008, Miltenberg, Germany
2008
65.
Keller,
M.;
Buhmann,
A.;
Ortmanns,
M.;
Manoli,
Y.
Analysis of Digital Gain Error Compensation in Continuous-Time Cascaded Sigma-Delta Modulators
IEEE Int. Symp. on Circuits and Systems (ISCAS), Seattle, USA
2008
Analysis of Digital Gain Error Compensation in Continuous-Time Cascaded Sigma-Delta Modulators
IEEE Int. Symp. on Circuits and Systems (ISCAS), Seattle, USA
2008
64.
Peters,
C.;
Ortmanns,
M.;
Manoli,
Y.
CMOS Integrated Active Rectifier with Temperature Independent Efficiency
Proc. of IEEE NORChip, Tallinn, Estonia
2008
CMOS Integrated Active Rectifier with Temperature Independent Efficiency
Proc. of IEEE NORChip, Tallinn, Estonia
2008
63.
Afifi,
M.;
Ortmanns,
M.;
Manoli,
Y.
Design Study of a Tunable Bandpass Continuous Time Sigma Delta Modulator for FM Digital Receiver
IEEE Mixed Design of Integrated Circuits and Systems International Conference 2008 (MIXDES), pp. 219 - 224, Poznan, Poland
2008
Design Study of a Tunable Bandpass Continuous Time Sigma Delta Modulator for FM Digital Receiver
IEEE Mixed Design of Integrated Circuits and Systems International Conference 2008 (MIXDES), pp. 219 - 224, Poznan, Poland
2008
62.
Peters,
C.;
Henrici,
F.;
Ortmanns,
M.;
Manoli,
Y.
Fully CMOS Integrated Active Rectifier Without Voltage Drop
IEEE Midwest Symposium on Circuits and Systems (MWSCAS), Knoxville, USA
2008
Fully CMOS Integrated Active Rectifier Without Voltage Drop
IEEE Midwest Symposium on Circuits and Systems (MWSCAS), Knoxville, USA
2008
61.
Maurath,
D.;
Michel,
F.;
Ortmanns,
M.;
Manoli,
Y.
High Efficiency, Low-Voltage and Self-Adjusting Charge Pump with Enhanced Impedance Matching
IEEE Midwest Symposium on Circuits and Systems (MWSCAS), Knoxville, USA
2008
High Efficiency, Low-Voltage and Self-Adjusting Charge Pump with Enhanced Impedance Matching
IEEE Midwest Symposium on Circuits and Systems (MWSCAS), Knoxville, USA
2008
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