Papers
2019
313.
Lanniel,
A.;
Boeser,
T.;
Alpert,
T.;
Ortmanns,
M.
Tackling SDM Feedback Coefficient Modulation in Area Optimized Frontend Readout Circuit for High Performance MEMS Accelerometers
IEEE International Symposium on Inertial Sensors and Systems (INERTIAL)
2019
Tackling SDM Feedback Coefficient Modulation in Area Optimized Frontend Readout Circuit for High Performance MEMS Accelerometers
IEEE International Symposium on Inertial Sensors and Systems (INERTIAL)
2019
| DOI: | 10.1109/ISISS.2019.8739683 |
312.
Vogelmann,
P.;
Wagner,
J.;
Haas,
M.;
Ortmanns,
M.
A Dynamic Power Reduction Technique for Incremental ΔΣ Modulators
IEEE Journal of Solid-State Circuits
January 2019
A Dynamic Power Reduction Technique for Incremental ΔΣ Modulators
IEEE Journal of Solid-State Circuits
January 2019
311.
Lanniel,
A.;
Boeser,
T.;
Aichholz,
L.;
Alpert,
T.;
Ortmanns,
M.
Impact of Parasitics on the Settling Time of a Readout Circuit for High Performance MEMS Accelerometers
IEEE International Symposium on Inertial Sensors and Systems (INERTIAL)
2019
Impact of Parasitics on the Settling Time of a Readout Circuit for High Performance MEMS Accelerometers
IEEE International Symposium on Inertial Sensors and Systems (INERTIAL)
2019
| DOI: | 10.1109/ISISS.2019.8739750 |
310.
Häberle,
M.;
Djekic,
D.;
Rajabzadeh,
M.;
Fantner,
G.;
Lips,
K.;
Ortmanns,
M.;
Anders,
J.
Comparison of Different Precision Pseudo Resistor Realizations in the DC-Feedback of Capacitive Transimpedance Amplifiers
IEEE International Conference on Electronics Circuits and Systems (ICECS 2019), Genova, Italy pp. 699-702
2019
Comparison of Different Precision Pseudo Resistor Realizations in the DC-Feedback of Capacitive Transimpedance Amplifiers
IEEE International Conference on Electronics Circuits and Systems (ICECS 2019), Genova, Italy pp. 699-702
2019
| DOI: | 10.1109/ICECS46596.2019.8965196 |
2018
309.
Wagner,
J.;
Vogel,
F.;
Kuhm,
F.;
Ortmanns,
M.
Automated Synthesis of Subsampling CT Bandpass Sigma-Delta Modulators with Non-Idealities
2nd New Generation of Circuits & Systems Conference (NGCAS 2018), Valetta, Malta
November 2018
Automated Synthesis of Subsampling CT Bandpass Sigma-Delta Modulators with Non-Idealities
2nd New Generation of Circuits & Systems Conference (NGCAS 2018), Valetta, Malta
November 2018
308.
Wagner,
J.;
Vogelmann,
P.;
Ortmanns,
M.
On the Optimization of DT Incremental Sigma-Delta Modulators in Combination with CoI Reconstruction Filters
2nd New Generation of Circuits & Systems Conference (NGCAS 2018), Valetta, Malta
November 2018
On the Optimization of DT Incremental Sigma-Delta Modulators in Combination with CoI Reconstruction Filters
2nd New Generation of Circuits & Systems Conference (NGCAS 2018), Valetta, Malta
November 2018
307.
Lv,
L.;
Jain,
A.;
Zhou,
X.;
Becker,
J.;
Li,
Q.;
Ortmanns,
M.
A 0.4-V Gm–C Proportional-Integrator-Based Continuous-Time Delta-Sigma Modulator With 50-kHz BW and 74.4-dB SNDR
IEEE Journal of Solid-State Circuits, vol. 53, no. 11, pp. 3256-3267
November 2018
A 0.4-V Gm–C Proportional-Integrator-Based Continuous-Time Delta-Sigma Modulator With 50-kHz BW and 74.4-dB SNDR
IEEE Journal of Solid-State Circuits, vol. 53, no. 11, pp. 3256-3267
November 2018
306.
Haas,
M.;
Ortmanns,
M.
Efficient implementation and stability analysis of a HV-CMOS current/voltage mode stimulator
IEEE/CAS-EMB Biomedical Circuits and Systems Conference (BioCAS) 2018, Cleveland, USA
October 2018
Efficient implementation and stability analysis of a HV-CMOS current/voltage mode stimulator
IEEE/CAS-EMB Biomedical Circuits and Systems Conference (BioCAS) 2018, Cleveland, USA
October 2018
305.
Häberle,
M.;
Djekic,
D.;
Fantner,
G.;
Lips,
K.;
Ortmanns,
M.;
Anders,
J.
An integrator-differentiator TIA using a multi-element pseudo-resistor in its DC servo loop for enhanced noise performance
ESSCIRC 2018 - 44th IEEE European Solid State Circuits Conference, Dresden, Germany
September 2018
An integrator-differentiator TIA using a multi-element pseudo-resistor in its DC servo loop for enhanced noise performance
ESSCIRC 2018 - 44th IEEE European Solid State Circuits Conference, Dresden, Germany
September 2018
304.
Herkle,
A.;
Becker,
J.;
Ortmanns,
M.
Methoden zur Verbesserung von CMOS integrierten Arbiter-PUFs
16. GMM/ITG-Fachtagung Analog, München, Germany
September 2018
Methoden zur Verbesserung von CMOS integrierten Arbiter-PUFs
16. GMM/ITG-Fachtagung Analog, München, Germany
September 2018
| DOI: | 10.18725/OPARU-17977 |
303.
Djekic,
D.;
Fantner,
G.;
Lips,
K.;
Ortmanns,
M.;
Anders,
J.
A 0.1% THD, 1-MOhm to 1-GOhm Tunable, Temperature-Compensated Transimpedance Amplifier Using a Multi-Element Pseudo-Resistor
IEEE Journal of Solid-State Circuits, vol. 53, no. 7, pp. 1913-1923
July 2018
A 0.1% THD, 1-MOhm to 1-GOhm Tunable, Temperature-Compensated Transimpedance Amplifier Using a Multi-Element Pseudo-Resistor
IEEE Journal of Solid-State Circuits, vol. 53, no. 7, pp. 1913-1923
July 2018
302.
Luo,
Y.;
Qi,
L.;
Jain,
A.;
Ortmanns,
M.
A High-Resolution Delta-Sigma D/A Converter Architecture with High Tolerance to DAC Mismatch
2018 IEEE International Symposium on Circuits and Systems (ISCAS), Florence, Italy, pp. 1-5
May 2018
A High-Resolution Delta-Sigma D/A Converter Architecture with High Tolerance to DAC Mismatch
2018 IEEE International Symposium on Circuits and Systems (ISCAS), Florence, Italy, pp. 1-5
May 2018
301.
Vogelmann,
P.;
Wagner,
J.;
Hänsler,
A.;
Ortmanns,
M.
Improved SQNR and MSA in Incremental ΔΣ Modulators by Using a Recuperation Phase
IEEE Transactions on Circuits and Systems—II: Express Briefs, Vol. 65, No. 5
May 2018
Improved SQNR and MSA in Incremental ΔΣ Modulators by Using a Recuperation Phase
IEEE Transactions on Circuits and Systems—II: Express Briefs, Vol. 65, No. 5
May 2018
300.
Vogelmann,
P.;
Wagner,
J.;
Hänsler,
A.;
Ortmanns,
M.
On Incremental ∆Σ Modulators with SNR and SQNR Enhancement by Recuperation Phase
IEEE International Symposium on Circuits and Systems (ISCAS), Florence, Italy
May 2018
On Incremental ∆Σ Modulators with SNR and SQNR Enhancement by Recuperation Phase
IEEE International Symposium on Circuits and Systems (ISCAS), Florence, Italy
May 2018
| File: |  https://www.uni-ulm.de/fileadmin/website_uni_ulm/iui.inst.010/downloads/Vogelmann_ISCAS_2018-05.pdf |
299.
Wagner,
J.;
Ortmanns,
M.;
de la Rosa,
J. M.
Man or Machine — Design Automation of Delta-Sigma Modulators
IEEE International Symposium on Circuits and Systems (ISCAS), Florence, Italy, pp. 1-5
May 2018
Man or Machine — Design Automation of Delta-Sigma Modulators
IEEE International Symposium on Circuits and Systems (ISCAS), Florence, Italy, pp. 1-5
May 2018
298.
Chi,
J.;
Jain,
A.;
Sauerbrey,
J.;
Becker,
J.;
Ortmanns,
M.
Interferer Induced Jitter Reduction in Bandpass CT ΣΔ Modulators for Receiver Applications
2018 IEEE International Symposium on Circuits and Systems (ISCAS), Florence, Italy, pp. 1-4
May 2018
Interferer Induced Jitter Reduction in Bandpass CT ΣΔ Modulators for Receiver Applications
2018 IEEE International Symposium on Circuits and Systems (ISCAS), Florence, Italy, pp. 1-4
May 2018
297.
Rajabzadeh,
M.;
Djekic,
D.;
Häberle,
M.;
Becker,
J.;
Anders,
J.;
Ortmanns,
M.
Comparison Study of Integrated Potentiostats: Resistive-TIA, Capacitive-TIA, CT Σ∆ Modulator
IEEE International Symposium on Circuits & Systems (ISCAS), Florence, Italy
May 2018
Comparison Study of Integrated Potentiostats: Resistive-TIA, Capacitive-TIA, CT Σ∆ Modulator
IEEE International Symposium on Circuits & Systems (ISCAS), Florence, Italy
May 2018
296.
Herkle,
A.;
Becker,
J.;
Ortmanns,
M.
An Arbiter PUF employing eye-opening oscillation for improved noise suppression
IEEE International Symposium on Circuits and Systems (ISCAS), Florence, Italy
May 2018
An Arbiter PUF employing eye-opening oscillation for improved noise suppression
IEEE International Symposium on Circuits and Systems (ISCAS), Florence, Italy
May 2018
| DOI: | 10.18725/OPARU-17954 |
295.
Mokhtar,
M. A.;
Ortmanns,
M.
Study of Single Opamp Resonators in CT Sigma-Delta Modulators
Analogworkshop 2018, Albert-Ludwigs-Universität Freiburg, Germany
March 2018
Study of Single Opamp Resonators in CT Sigma-Delta Modulators
Analogworkshop 2018, Albert-Ludwigs-Universität Freiburg, Germany
March 2018
294.
Vogelmann,
P.;
Haas,
M.;
Ortmanns,
M.
A 1.1mW 200kS/s Incremental ΔΣ ADC with a DR of 91.5dB Using Integrator Slicing for Dynamic Power Reduction
IEEE International Solid-State Circuits Conference (ISSCC), San Francisco, USA
February 2018
A 1.1mW 200kS/s Incremental ΔΣ ADC with a DR of 91.5dB Using Integrator Slicing for Dynamic Power Reduction
IEEE International Solid-State Circuits Conference (ISSCC), San Francisco, USA
February 2018
293.
Lanniel,
A.;
Alpert,
T.;
Boeser,
T.;
Ortmanns,
M.
Evaluation of Frontend Readout Circuits for High Performance Automotive MEMS Accelerometers
14th Conference on Ph.D. Research in Microelectronics and Electronics (PRIME), Prague, Czech Republic, pp. 229-232
2018
Evaluation of Frontend Readout Circuits for High Performance Automotive MEMS Accelerometers
14th Conference on Ph.D. Research in Microelectronics and Electronics (PRIME), Prague, Czech Republic, pp. 229-232
2018
| DOI: | 10.1109/PRIME.2018.8430313 |
292.
Lv,
L.;
Jain,
A.;
Zhou,
X.;
Becker,
J.;
Li,
Q.;
Ortmanns,
M.
A 0.4-VGm–CProportional-Integrator-Based Continuous-TimeΔΣModulator With 50-kHz BW and 74.4-dB SNDR
IEEE Journal of Solid-State Circuits, Volume: 53 , Issue: 11, Page s: 3256 - 3267
2018
A 0.4-VGm–CProportional-Integrator-Based Continuous-TimeΔΣModulator With 50-kHz BW and 74.4-dB SNDR
IEEE Journal of Solid-State Circuits, Volume: 53 , Issue: 11, Page s: 3256 - 3267
2018
291.
Haas,
M.;
Vogelmann,
P.;
Ortmanns,
M.
A Neuromodulator Frontend with Reconfigurable Class-B Current and Voltage Controlled Stimulator
IEEE Solid-State Circuits Letters
2018
A Neuromodulator Frontend with Reconfigurable Class-B Current and Voltage Controlled Stimulator
IEEE Solid-State Circuits Letters
2018
290.
Al Marashli,
A.;
Anders,
J.;
Becker,
J.;
Ortmanns,
M.
A Nyquist rate SAR ADC employing incremental ΣΔ DAC achieving peak SFDR = 107 dB at 80 kS/s
IEEE Journal of Solid-State Circuits, Volume: 53, Issue: 5, Page s: 1493 - 1507
2018
A Nyquist rate SAR ADC employing incremental ΣΔ DAC achieving peak SFDR = 107 dB at 80 kS/s
IEEE Journal of Solid-State Circuits, Volume: 53, Issue: 5, Page s: 1493 - 1507
2018
2017
289.
Rajabzadeh,
M.;
Becker,
J.;
Ortmanns,
M.
Evaluation of Single-Bit Sigma-Delta Modulator DAC for Electrical Impedance Spectroscopy
2017 IEEE Biomedical Circuits and Systems Conference (BioCAS), Torino, Italy
October 2017
Evaluation of Single-Bit Sigma-Delta Modulator DAC for Electrical Impedance Spectroscopy
2017 IEEE Biomedical Circuits and Systems Conference (BioCAS), Torino, Italy
October 2017
Books
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