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Maurits Ortmanns
Maurits Ortmanns
Professor in Microelectronics; Faculty of Engineering, Computer Science and Psychology; University
Verifisert e-postadresse på uni-ulm.de - Startside
Tittel
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Sitert av
År
Continuous-time sigma-delta A/D conversion: fundamentals, performance limits and robust implementations
F Gerfers, M Ortmanns
Springer Science & Business Media, 2006
4742006
A 232-channel epiretinal stimulator ASIC
M Ortmanns, AÉ Rocke, M Gehrke, HJÜ Tiedtke
IEEE Journal of Solid-State Circuits 42 (12), 2946-2959, 2007
2762007
A neural stimulator frontend with high-voltage compliance and programmable pulse shape for epiretinal implants
E Noorsal, K Sooksood, H Xu, R Hornig, J Becker, M Ortmanns
IEEE Journal of Solid-State Circuits 47 (1), 244-256, 2011
2492011
An active approach for charge balancing in functional electrical stimulation
K Sooksood, T Stieglitz, M Ortmanns
IEEE Transactions on Biomedical Circuits and Systems 4 (3), 162-170, 2010
1972010
A continuous-time/spl Sigma//spl Delta/Modulator with reduced sensitivity to clock jitter through SCR feedback
M Ortmanns, F Gerfers, Y Manoli
IEEE Transactions on Circuits and Systems I: Regular Papers 52 (5), 875-884, 2005
1732005
A comparative study on excess-loop-delay compensation techniques for continuous-time sigma–delta modulators
M Keller, A Buhmann, J Sauerbrey, M Ortmanns, Y Manoli
IEEE Transactions on Circuits and Systems I: Regular Papers 55 (11), 3480-3487, 2008
1602008
A 1.5-V 12-bit power-efficient continuous-time third-order ΣΔ modulator
F Gerfers, M Ortmanns, Y Manoli
IEEE Journal of Solid-State Circuits 38 (8), 1343-1352, 2003
1512003
Compensation of finite gain-bandwidth induced errors in continuous-time sigma-delta modulators
M Ortmanns, F Gerfers, Y Manoli
IEEE Transactions on Circuits and Systems I: Regular Papers 51 (6), 1088-1099, 2004
1352004
CMOS integrated highly efficient full wave rectifier
C Peters, O Kessling, F Henrici, M Ortmanns, Y Manoli
2007 IEEE International Symposium on Circuits and Systems (ISCAS), 2415-2418, 2007
1272007
A CMOS integrated voltage and power efficient AC/DC converter for energy harvesting applications
C Peters, D Spreemann, M Ortmanns, Y Manoli
Journal of micromechanics and microengineering 18 (10), 104005, 2008
1182008
An 8.5 mW Continuous-TimeModulator With 25 MHz Bandwidth Using Digital Background DAC Linearization to Achieve 63.5 dB SNDR and 81 dB SFDR
JG Kauffman, P Witte, J Becker, M Ortmanns
IEEE Journal of Solid-State Circuits 46 (12), 2869-2881, 2011
1112011
CMOS Telecom Data Converters
A Rodríguez-Vázquez, F Medeiro, E Janssens
Springer Science & Business Media, 2013
872013
A field-programmable analog array of 55 digitally tunable OTAs in a hexagonal lattice
J Becker, F Henrici, S Trendelenburg, M Ortmanns, Y Manoli
IEEE Journal of Solid-State Circuits 43 (12), 2759-2768, 2008
872008
A 0.1% THD, 1-Mto 1-GTunable, Temperature-Compensated Transimpedance Amplifier Using a Multi-Element Pseudo-Resistor
D Djekic, G Fantner, K Lips, M Ortmanns, J Anders
IEEE Journal of Solid-State Circuits 53 (7), 1913-1923, 2018
802018
A 72 dB DR, CT ΔΣ modulator using digitally estimated, auxiliary DAC linearization achieving 88 fJ/conv-step in a 25 MHz BW
JG Kauffman, P Witte, M Lehmann, J Becker, Y Manoli, M Ortmanns
IEEE Journal of Solid-State Circuits 49 (2), 392-404, 2013
802013
A continuous-time sigma-delta modulator with reduced jitter sensitivity
M Ortmanns, Y Manoli, F Gerfers
Proceedings of the 28th European Solid-State Circuits Conference, 287-290, 2002
742002
A 72dB-DR ΔΣ CT modulator using digitally estimated auxiliary DAC linearization achieving 88fJ/conv in a 25MHz BW
P Witte, JG Kauffman, J Becker, Y Manoli, M Ortmanns
2012 IEEE International Solid-State Circuits Conference, 154-156, 2012
632012
A GPU-accelerated web-based synthesis tool for CT sigma-delta modulators
T Brückner, C Zorn, J Anders, J Becker, W Mathis, M Ortmanns
IEEE Transactions on Circuits and Systems I: Regular Papers 61 (5), 1429-1441, 2014
612014
A 76.6-dB-SNDR 50-MHz-BW 29.2-mW multi-bit CT sturdy MASH with DAC non-linearity tolerance
L Qi, A Jain, D Jiang, SW Sin, RP Martins, M Ortmanns
IEEE Journal of Solid-State Circuits 55 (2), 344-355, 2019
582019
Charge balancing in functional electrical stimulators: A comparative study
M Ortmanns
2007 IEEE International Symposium on Circuits and Systems (ISCAS), 573-576, 2007
522007
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Artikler 1–20