Artikel
2017
279.
D. Djekic,
K. Lips,
J. Behrends,
G. Fantner,
M. Ortmanns and
J. Anders,
"Linearisierter, Temperatur- und Prozess-unabhängiger Transimpedanzverstärker für hochsensitive Stromausleseschaltungen",
Kleinheubacher Tagung, Miltenberg, Germany,
Sep.
2017.
278.
M. Haas,
M. Rajabzadeh and
M. Ortmanns,
"Performance evaluation of state-of-the-art neural recorder SoCs",
BMT 2017, Dresden, Germany,
Sep.
2017.
277.
M. Haas,
B. Schweizer,
J. Anders and
M. Ortmanns,
"A miniaturized UWB antenna for implantable data telemetry",
International Conference of the IEEE Engineering in Medicine an Biology Society (EMBC) 2017, JeJu, Korea,
Jul.
2017.
276.
J. Anders,
A. Chu,
J. Handwerker,
B. Schlecker,
M. Ortmanns,
S. Künstner,
J. Möser and
K. Lips,
"Energy-based modeling of CMOS voltage-controlled oscillators for continuous-wave- and rapid scan ESR experiments",
59th Rocky Mountain Conference on Magnetic Resonance, Quebec, Canada,
Jul.
2017.
275.
M. Pagin and
M. Ortmanns,
"Evaluation of Logarithmic vs. Linear ADCs for Neural Signal Acquisition and Reconstruction",
39th Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC'17), Jeju Island, South Korea,
Jul.
2017.
274.
B. Schlecker,
J. Handwerker,
H. Ullrich,
M. Ortmanns,
B. Luy,
K. Lips and
J. Anders,
"Zero dead time inductive spin detection using LC-tank VCOs",
Euromar 2017, Warschau, Polen,
Jul.
2017.
273.
A. Al Marashli,
J. Anders,
J. Becker and
M. Ortmanns,
"A 107 dB SFDR, 80 kS/s Nyquist-rate SAR ADC using a hybrid capacitive and incremental Σ∆ DAC",
2017 Symposium on VLSI Circuits (VLSI Circuits), Kyoto, Japan,
Jun.
2017.
272.
M. Pagin,
J. Becker and
M. Ortmanns,
"Evaluation of Spike Sorting and Compression for Digitally Reconfigurable Non-Uniform Quantization",
IEEE 15th International NEWCAS Conference, Strasbourg, France,
Jun.
2017.
271.
J. Wagner,
J. Chi and
M. Ortmanns,
"Designing CT Bandpass Sigma-Delta Modulators with Arbitrary STF Shapes",
IEEE International Symposium on Circuits and Systems (ISCAS 2017), Baltimore, USA,
Mai
2017.
270.
J. Chi,
J. Wagner,
J. Anders and
M. Ortmanns,
"Digital Interferer Suppression and Jitter Reduction in Continuous-Time Bandpass Sigma Delta Modulators",
IEEE International Symposium on Circuits and Systems (ISCAS 2017), Baltimore, USA,
Mai
2017.
269.
J. Handwerker,
M. Perez-Rodas,
M. Ortmanns,
K. Scheffler and
J. Anders,
"Towards CMOS-based In-vivo NMR Spectroscopy and Microscopy",
IEEE International Symposium on Circuits and Systems (ISCAS 2017), Baltimore, USA,
Mai
2017.
268.
B. Schlecker,
M. Ortmanns,
G. Fantner and
J. Anders,
"Single-cycle AM-Demodulation für Echtzeit-AFM-Anwendungen der nächsten Generation",
19. Analog Workshop 2017, Berlin, Germany,
Mä.
2017.
2016
267.
J. Becker,
J. Anders and
M. Ortmanns,
"A Continuous-Time Field Programmable Analog Array with 1 GHz GBW",
23rd IEEE International Conference on Electronics, Circuits and Systems (ICECS), Monaco,
Dez.
2016.
266.
J. Wagner,
J. Chi and
M. Ortmanns,
"Designing CT ΣΔ Modulators with Shaped Feedback Waveforms using www.sigma-delta.de",
23rd IEEE International Conference on Electronics, Circuits and Systems (ICECS), Monaco,
Dez.
2016.
265.
A. Herkle,
M. Schuster,
J. Becker and
M. Ortmanns,
"Enhanced Arbiter PUFs using custom sized structures for reduced noise sensitivity",
23rd IEEE International Conference on Electronics, Circuits and Systems (ICECS), Monaco,
Dez.
2016.
| DOI: | 10.18725/OPARU-17953 |
264.
J. Wagner,
S. Reich,
R. Ritter,
J. Anders and
M. Ortmanns,
"Finite GBW in Single OpAmp CT ΣΔ Modulators",
23rd IEEE International Conference on Electronics, Circuits and Systems (ICECS), Monaco,
Dez.
2016.
263.
J. Chi,
R. Ritter,
J. Wagner and
M. Ortmanns,
"Phase Noise vs. Jitter Analysis in Continuous-Time LP and BP Sigma Delta Modulators with Interferers",
23rd IEEE International Conference on Electronics, Circuits and Systems (ICECS), Monaco,
Dez.
2016.
262.
M. Haas,
J. Anders and
M. Ortmanns,
"A bidirectional neural interface featuring a tunable recorder and electrode impedance estimation",
IEEE/CAS-EMB Biomedical Circuits and Systems Conference (BioCAS) 2016, Shanghai, China,
Okt.
2016.
261.
J. Handwerker,
M. Eder,
M. Tibiletti,
V. Rasche,
K. Scheffler,
J. Becker,
M. Ortmanns and
J. Anders,
"An array of fully-integrated quadrature TX/RX NMR field probes for MRI trajectory mapping",
42nd European Solid-State Circuits Conference (ESSCIRC 2016), Lausanne, Switzerland,
Sep.
2016.
260.
D. Djekic,
M. Häberle,
M. Ortmanns,
K. Lips,
J. Behrends and
J. Anders,
"Hochohmige, robuste Pseudo-Widerstände mit verbesserter Linearität für die elektrisch detektierte Magnetresonanz",
Kleinheubacher Tagung, Miltenberg, Germany,
Sep.
2016.
259.
A. Herkle,
J. Becker and
M. Ortmanns,
"Physical Unclonable Functions based on A/D-converter's differential non-linearities",
Kleinheubacher Tagung, Miltenberg, Germany,
Sep.
2016.
258.
M. Häberle,
D. Djekic,
M. Ortmanns,
K. Lips,
J. Behrends and
J. Anders,
"Rauscharmer, breitbandiger Transimpedanzverstärker mit hohem Dynamikbereich für gepulste EDMR-Anwendungen",
Kleinheubacher Tagung, Miltenberg, Germany,
Sep.
2016.
257.
A. Elkafrawy,
J. Anders and
M. Ortmanns,
"Design and validation of a 10-bit current mode SAR ADC with 58.4 dB SFDR at 50 MS/s in 90 nm CMOS 89: 283. doi:10.1007/s10470-016-0788-z",
Analog Integr Circ Sig Process (2016),
Jul.
2016.
https://link.springer.com/article/10.1007/s10470-016-0788-z.
256.
J. Anders,
J. Handwerker,
M. Ortmanns,
R. Kamberger,
J. Korvink and
O. Gruschke,
"Arrays of IC-Assisted 3D-Microcoils for Wideband NMR Spectroscopy",
Euromar 2016, Aarhus, Denmark,
Jul.
2016.
255.
A. Herkle,
J. Becker and
M. Ortmanns,
"Exploiting Weak PUFs from Data Converter Non-Linearity - E.g. A multibit CT ∆Σ Modulator",
IEEE Transactions on Circuits and Systems I: Regular Papers, Vol. 63, No. 7,
Jul.
2016.
| DOI: | 10.18725/OPARU-17955 |
Bücher
2025
10.
Buhmann,
A.;
Lanniel,
A.;
Hiller,
T.;
Sporer,
M.;
Reich,
S.;
Ortmanns,
M.
Interface Circuits
Herausgeber: Ed. Elsevier
in Comprehensive Microsystems, 2nd ed., Y. B. Gianchandani, Volume 1, 2025, pp. 452–479 Edition
2025
Interface Circuits
Herausgeber: Ed. Elsevier
in Comprehensive Microsystems, 2nd ed., Y. B. Gianchandani, Volume 1, 2025, pp. 452–479 Edition
2025
| DOI: | 10.1016/B978-0-323-95478-5.00040-6 |
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