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Maurits Ortmanns

Maurits Ortmanns

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Electronics and Electrical Engineering 33 5974 5736 170 164 410 5577

Maurits Ortmanns publications per year

The chart shows the history of publications by Maurits Ortmanns between 2001 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Maurits Ortmanns published across 25 years, from 2001 to 2025, averaging 17.6 papers a year. Output peaked at 43 publications in 2012. 49 of the 439 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 2001 to 2025. Vertical axis: number of publications, 0 to 43. Peak 43 publications in 2012. 2001: 5 publications 2002: 7 publications 2003: 9 publications 2004: 3 publications 2005: 6 publications 2006: 7 publications 2007: 16 publications 2008: 27 publications 2009: 11 publications 2010: 13 publications 2011: 14 publications 2012: 43 publications 2013: 28 publications 2014: 21 publications 2015: 15 publications 2016: 27 publications 2017: 19 publications 2018: 26 publications 2019: 22 publications 2020: 14 publications 2021: 19 publications 2022: 18 publications 2023: 20 publications 2024: 23 publications 2025: 26 publications
2001 2025

439 publications in total across all disciplines

View publications per year as a table
Maurits Ortmanns: publications per year, 2001 to 2025
Year Publications
2001 5
2002 7
2003 9
2004 3
2005 6
2006 7
2007 16
2008 27
2009 11
2010 13
2011 14
2012 43
2013 28
2014 21
2015 15
2016 27
2017 19
2018 26
2019 22
2020 14
2021 19
2022 18
2023 20
2024 23
2025 26
Total 439
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Maurits Ortmanns publication distribution in Electronics and Electrical Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Electronics and Electrical Engineering in 2026. The highlighted bar marks where Maurits Ortmanns sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 53 bars. Horizontal axis: publications, 34–53 to 1,065+. Vertical axis: number of scientists, 0 to 445. Most scientists, 445, have 174–193 publications. The last bar groups every scientist with 1,065 publications or more. The highlighted bar, 394–413 publications, is where this scientist sits. 34–53 publications: 24 scientists 54–73 publications: 52 scientists 74–93 publications: 114 scientists 94–113 publications: 203 scientists 114–133 publications: 269 scientists 134–153 publications: 355 scientists 154–173 publications: 403 scientists 174–193 publications: 445 scientists 194–213 publications: 430 scientists 214–233 publications: 431 scientists 234–253 publications: 399 scientists 254–273 publications: 366 scientists 274–293 publications: 335 scientists 294–313 publications: 300 scientists 314–333 publications: 276 scientists 334–353 publications: 250 scientists 354–373 publications: 214 scientists 374–393 publications: 187 scientists 394–413 publications: 152 scientists 414–433 publications: 169 scientists 434–453 publications: 147 scientists 454–473 publications: 111 scientists 474–493 publications: 117 scientists 494–513 publications: 103 scientists 514–533 publications: 99 scientists 534–553 publications: 92 scientists 554–573 publications: 75 scientists 574–593 publications: 58 scientists 594–613 publications: 69 scientists 614–633 publications: 50 scientists 634–653 publications: 62 scientists 654–673 publications: 54 scientists 674–693 publications: 44 scientists 694–713 publications: 37 scientists 714–733 publications: 28 scientists 734–753 publications: 26 scientists 754–773 publications: 26 scientists 774–793 publications: 19 scientists 794–813 publications: 23 scientists 814–833 publications: 20 scientists 834–853 publications: 16 scientists 854–873 publications: 20 scientists 874–893 publications: 11 scientists 894–913 publications: 11 scientists 914–933 publications: 16 scientists 934–953 publications: 13 scientists 954–973 publications: 10 scientists 974–993 publications: 11 scientists 994–1,013 publications: 9 scientists 1,014–1,033 publications: 9 scientists 1,034–1,053 publications: 10 scientists 1,054–1,064 publications: 6 scientists 1,065+ publications: 99 scientists
34–53 publications 1,065+

This scientist: 410 publications — 75th percentile

75% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,065 publications or more.

View publications distribution as a table
Number of Electronics and Electrical Engineering scientists by publication count, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
Publications Scientists This scientist
34–53 24
54–73 52
74–93 114
94–113 203
114–133 269
134–153 355
154–173 403
174–193 445
194–213 430
214–233 431
234–253 399
254–273 366
274–293 335
294–313 300
314–333 276
334–353 250
354–373 214
374–393 187
394–413 152 410
414–433 169
434–453 147
454–473 111
474–493 117
494–513 103
514–533 99
534–553 92
554–573 75
574–593 58
594–613 69
614–633 50
634–653 62
654–673 54
674–693 44
694–713 37
714–733 28
734–753 26
754–773 26
774–793 19
794–813 23
814–833 20
834–853 16
854–873 20
874–893 11
894–913 11
914–933 16
934–953 13
954–973 10
974–993 11
994–1,013 9
1,014–1,033 9
1,034–1,053 10
1,054–1,064 6
1,065+ 99
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Maurits Ortmanns D-index placement in Electronics and Electrical Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Electronics and Electrical Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Maurits Ortmanns sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 82 bars. Horizontal axis: D-Index, 30 to 111+. Vertical axis: number of scientists, 0 to 263. Most scientists, 263, have 32 D-Index. The last bar groups every scientist with 111 D-Index or more. The highlighted bar, 33 D-Index, is where this scientist sits. 30 D-Index: 178 scientists 31 D-Index: 257 scientists 32 D-Index: 263 scientists 33 D-Index: 262 scientists 34 D-Index: 244 scientists 35 D-Index: 236 scientists 36 D-Index: 211 scientists 37 D-Index: 220 scientists 38 D-Index: 214 scientists 39 D-Index: 214 scientists 40 D-Index: 205 scientists 41 D-Index: 187 scientists 42 D-Index: 194 scientists 43 D-Index: 201 scientists 44 D-Index: 155 scientists 45 D-Index: 189 scientists 46 D-Index: 148 scientists 47 D-Index: 160 scientists 48 D-Index: 134 scientists 49 D-Index: 130 scientists 50 D-Index: 141 scientists 51 D-Index: 156 scientists 52 D-Index: 108 scientists 53 D-Index: 130 scientists 54 D-Index: 112 scientists 55 D-Index: 97 scientists 56 D-Index: 111 scientists 57 D-Index: 102 scientists 58 D-Index: 108 scientists 59 D-Index: 120 scientists 60 D-Index: 103 scientists 61 D-Index: 93 scientists 62 D-Index: 92 scientists 63 D-Index: 74 scientists 64 D-Index: 77 scientists 65 D-Index: 73 scientists 66 D-Index: 64 scientists 67 D-Index: 69 scientists 68 D-Index: 60 scientists 69 D-Index: 39 scientists 70 D-Index: 57 scientists 71 D-Index: 59 scientists 72 D-Index: 46 scientists 73 D-Index: 49 scientists 74 D-Index: 38 scientists 75 D-Index: 35 scientists 76 D-Index: 32 scientists 77 D-Index: 35 scientists 78 D-Index: 31 scientists 79 D-Index: 22 scientists 80 D-Index: 34 scientists 81 D-Index: 31 scientists 82 D-Index: 34 scientists 83 D-Index: 23 scientists 84 D-Index: 18 scientists 85 D-Index: 30 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 20 scientists 89 D-Index: 8 scientists 90 D-Index: 17 scientists 91 D-Index: 7 scientists 92 D-Index: 14 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 12 scientists 97 D-Index: 10 scientists 98 D-Index: 10 scientists 99 D-Index: 12 scientists 100 D-Index: 16 scientists 101 D-Index: 5 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 8 scientists 105 D-Index: 9 scientists 106 D-Index: 13 scientists 107 D-Index: 4 scientists 108 D-Index: 5 scientists 109 D-Index: 10 scientists 110 D-Index: 8 scientists 111+ D-Index: 96 scientists
30 D-Index 111+

This scientist: 33 D-Index — 14th percentile

14% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 111 D-Index or more.

View D-Index distribution as a table
Number of Electronics and Electrical Engineering scientists by D-index, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
D-Index Scientists This scientist
30 178
31 257
32 263
33 262 33
34 244
35 236
36 211
37 220
38 214
39 214
40 205
41 187
42 194
43 201
44 155
45 189
46 148
47 160
48 134
49 130
50 141
51 156
52 108
53 130
54 112
55 97
56 111
57 102
58 108
59 120
60 103
61 93
62 92
63 74
64 77
65 73
66 64
67 69
68 60
69 39
70 57
71 59
72 46
73 49
74 38
75 35
76 32
77 35
78 31
79 22
80 34
81 31
82 34
83 23
84 18
85 30
86 19
87 19
88 20
89 8
90 17
91 7
92 14
93 9
94 15
95 10
96 12
97 10
98 10
99 12
100 16
101 5
102 7
103 7
104 8
105 9
106 13
107 4
108 5
109 10
110 8
111+ 96
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Overview

Maurits Ortmanns is affiliated with the University of Ulm in Germany and specializes in various fields within engineering, focusing predominantly on electrical and electronic engineering as well as biomedical engineering.

The primary research areas covered by Maurits Ortmanns include:

  • Analog and Mixed-Signal Circuit Design
  • Neuroscience and Neural Engineering
  • CCD and CMOS Imaging Sensors
  • Advancements in PLL and VCO Technologies
  • Advanced Memory and Neural Computing
  • EEG and Brain-Computer Interfaces
  • Radio Frequency Integrated Circuit Design

Within the broader field of engineering, the subfields with the most publications are:

  • Electrical and Electronic Engineering
  • Biomedical Engineering
  • Cellular and Molecular Neuroscience
  • Cognitive Neuroscience
  • Hardware and Architecture

Maurits Ortmanns has contributed extensively to several journals and conferences, with frequent publication venues including:

  • IEEE Transactions on Circuits and Systems I Regular Papers
  • IEEE Transactions on Circuits & Systems II Express Briefs
  • IEEE Journal of Solid-State Circuits
  • 2022 IEEE International Symposium on Circuits and Systems (ISCAS)
  • IEEE Transactions on Biomedical Circuits and Systems

Co-authorship is a significant part of Maurits Ortmanns' research, with frequent collaborators including:

  • Markus Sporer
  • John G. Kauffman
  • Stefan Reich
  • Joachim Becker
  • Holger Mandry

Selected recent papers authored or co-authored by Maurits Ortmanns are:

  • "A High-Voltage Compliance, 32-Channel Digitally Interfaced Neuromodulation System on Chip" (2021), published in IEEE Journal of Solid-State Circuits
  • "A 0.9-V DAC-Calibration-Free Continuous-Time Incremental Delta-Sigma Modulator Achieving 97-dB SFDR at 2 MS/s in 28-nm CMOS" (2022), published in IEEE Journal of Solid-State Circuits
  • "A Chopped Neural Front-End Featuring Input Impedance Boosting With Suppressed Offset-Induced Charge Transfer" (2021), published in IEEE Transactions on Biomedical Circuits and Systems
  • "A Direct Digitizing Chopped Neural Recorder Using a Body-Induced Offset Based DC Servo Loop" (2022), published in IEEE Transactions on Biomedical Circuits and Systems
  • "Wideband Continuous-Time MASH Delta-Sigma Modulators: A Tutorial Review" (2022), published in IEEE Transactions on Circuits & Systems II Express Briefs

Best Publications

  • Continuous time sigma-delta A/D conversion : fundamentals, performance limits and robust implementations

    Maurits Ortmanns;Friedel Gerfers

  • A 232-Channel Epiretinal Stimulator ASIC

    M. Ortmanns;A. Rocke;M. Gehrke;H.-J. Tiedtke

  • A Neural Stimulator Frontend With High-Voltage Compliance and Programmable Pulse Shape for Epiretinal Implants

    E. Noorsal;K. Sooksood;Hongcheng Xu;R. Hornig

  • An Active Approach for Charge Balancing in Functional Electrical Stimulation

    Kriangkrai Sooksood;Thomas Stieglitz;Maurits Ortmanns

  • A continuous-time /spl Sigma//spl Delta/ Modulator with reduced sensitivity to clock jitter through SCR feedback

    M. Ortmanns;F. Gerfers;Y. Manoli

  • A Comparative Study on Excess-Loop-Delay Compensation Techniques for Continuous-Time Sigma–Delta Modulators

    M. Keller;A. Buhmann;J. Sauerbrey;M. Ortmanns

  • A 1.5-V 12-bit power-efficient continuous-time third-order /spl Sigma//spl Delta/ modulator

    F. Gerfers;M. Ortmanns;Y. Manoli

  • Compensation of finite gain-bandwidth induced errors in continuous-time sigma-delta modulators

    M. Ortmanns;F. Gerfers;Y. Manoli

  • A 72 dB DR, CT ΔΣ Modulator Using Digitally Estimated, Auxiliary DAC Linearization Achieving 88 fJ/conv-step in a 25 MHz BW

    John G. Kauffman;Pascal Witte;Matthias Lehmann;Joachim Becker

  • A CMOS integrated voltage and power efficient AC/DC converter for energy harvesting applications

    Christian Peters;Dirk Spreemann;Maurits Ortmanns;Yiannos Manoli

  • CMOS Integrated Highly Efficient Full Wave Rectifier

    C. Peters;O. Kessling;F. Henrici;M. Ortmanns

  • An 8.5 mW Continuous-Time $\Delta \Sigma $ Modulator With 25 MHz Bandwidth Using Digital Background DAC Linearization to Achieve 63.5 dB SNDR and 81 dB SFDR

    J. G. Kauffman;P. Witte;J. Becker;M. Ortmanns

  • A Field-Programmable Analog Array of 55 Digitally Tunable OTAs in a Hexagonal Lattice

    J. Becker;F. Henrici;S. Trendelenburg;M. Ortmanns

  • A continuous–time sigma–delta modulator with reduced jitter sensitivity

    M. Ortmanns;Y. Manoli;F. Gerfers

  • A 0.1% THD, 1-M $\Omega$ to 1-G $\Omega$ Tunable, Temperature-Compensated Transimpedance Amplifier Using a Multi-Element Pseudo-Resistor

    Denis Djekic;Georg Fantner;Klaus Lips;Maurits Ortmanns

  • A 0.1mm/sup 2/, Digitally Programmable Nerve Stimulation Pad Cell with High-Voltage Capability for a Retinal Implant

    M. Ortmanns;N. Unger;A. Rocke;M. Gehrke

  • A GPU-Accelerated Web-Based Synthesis Tool for CT Sigma-Delta Modulators

    Timon Brückner;Christoph Zorn;Jens Anders;Joachim Becker

  • A 76.6-dB-SNDR 50-MHz-BW 29.2-mW Multi-Bit CT Sturdy MASH With DAC Non-Linearity Tolerance

    Liang Qi;Ankesh Jain;Dongyang Jiang;Sai-Weng Sin

  • On the synthesis of cascaded continuous-time /spl Sigma//spl Delta/ modulators

    M. Ortmanns;F. Gerfers;Y. Manoli

  • A case study on a 2-1-1 cascaded continuous-time sigma-delta Modulator

    M. Ortmanns;F. Gerfers;Y. Manoli

  • An 8-channel 13GHz ESR-on-a-Chip injection-locked vco-array achieving 200μM-concentration sensitivity

    Anh Chu;Benedikt Schiecker;Klaus Lips;Maurits Ortmanns

Frequent Co-Authors

Yiannos Manoli
Yiannos Manoli University of Freiburg
Georg E. Fantner
Georg E. Fantner École Polytechnique Fédérale de Lausanne
Thomas Stieglitz
Thomas Stieglitz University of Freiburg
Klaus Scheffler
Klaus Scheffler Max Planck Society
Norbert Wehn
Norbert Wehn Technical University of Kaiserslautern
Sherif Ali Mohtady Mohamed
Sherif Ali Mohtady Mohamed University of Southern Queensland
Rui P. Martins
Rui P. Martins University of Macau
Ahmed M. Soliman
Ahmed M. Soliman Cairo University
David Stoppa
David Stoppa Sony Semicon
Wim Dehaene
Wim Dehaene KU Leuven

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