Publications (Total)

2012

310.
Kauffman, J. G.; Rieger, V.; Ritter, R.; Anders, J.; Ortmanns, M.
Design of a 5bit 1GSps VCO Quantizer for a CT Delta Sigma Modulator
Conference on Ph.D. Research in Microelectronics & Electronics (PRIME), Aachen, Germany
June 2012
309.
Zahabi, A.; Anis, M.; Ortmanns, M.
Characterization of Integrated Transmission Lines for RF Bandpass Sigma Delta Modulators
IEEE Conference on Ph.D. Research in Microelectronics & Electronics (PRIME), Aachen, Germany
June 2012
308.
Bihr, U.; Ortmanns, M.
A Front-End Circuit with Active Spike and LFP Separation via a Switched Capacitor Filter Structure for Neural Recording Applications
IEEE International Symposium on Circuits and Systems (ISCAS), Seoul, Korea
May 2012
307.
Ritter, R.; Kauffman, J. G.; Ortmanns, M.
A power efficient MDAC design with correlated double sampling for a 2-step-flash ADC
IEEE International Symposium on Circuits and Systems (ISCAS), Seoul, Korea
May 2012
306.
Zorn, C.; Widemann, C.; Brückner, T.; Ortmanns, M.; Mathis, W.
Peaking Reduced STF Design for CT SD Modulators with Selective Pole Compensation
IEEE International Symposium on Circuits and Systems (ISCAS), Seoul, Korea
May 2012
305.
Xu, H.; Ortmanns, M.
A New Class of Integrated CMOS Rectifiers with Improved PVT-Compensated Efficiency
IEEE International Symposium on Circuits and Systems (ISCAS), Seoul, Korea
May 2012
304.
Zahabi, A.; Anis, M.; Ortmanns, M.
2.4GHz Super-Regeneration Amplifier with Degenerative Quenching Technique for RF-Pulse Width Transceiver
IEEE International Symposium on Circuits and Systems (ISCAS), Seoul, Korea
May 2012
303.
Sooksood, K.; Ortmanns, M.
Power Efficient Output Stage for High Density Implantable Stimulators
Electronics Letters, Vol. 48 (10)
May 2012
302.
Witte, P.; Kauffman, J. G.; Brückner, T.; Becker, J.; Ortmanns, M.
An Error Estimation Technique for Lowpass and Bandpass Delta-Sigma ADC Feedback DACs Using a Residual Test Signal
IEEE International Symposium on Circuits and Systems (ISCAS), Seoul, Korea
May 2012
301.
Zahabi, A.; Jamal, F.; Becker, J.; Anis, M.; Ortmanns, M.
Digitally-Switched Resonators for Bandpass Integrated Transmission Line Sigma Delta Modulators
IEEE International Symposium on Circuits and Systems (ISCAS), Seoul, Korea
May 2012
300.
Wünschmann, J.; Feller, C.; Rothermel, A.
File Size Comparison of Modeled and Pixel Based Video in Five Scenarios
International Conferences on Advances in Multimedia - Chamonix, France
May 2012
299.
Witte, P.; Kauffman, J. G.; Becker, J.; Manoli, Y.; Ortmanns, M.
A 72dB-DR Delta-Sigma CT Modulator Using Digitally Estimated Auxiliary DAC Linearization Achieving 88fJ/conv in a 25 MHz BW
IEEE International Conference on Solid-State Circuits (ISSCC), San Francisco, USA
February 2012
298.
Pour-Aryan, N.; Brendler, C.; Rieger, V.; Kibbel, S.; Heusel, G.; Rothermel, A.
A Comparison of TiN, Iridium and Iridium Oxide Stimulating Electrodes for Neural Stimulation
IASTED international conference, BioMed12, Innsbruck, Austria
February 2012
297.
Widemann, C.; Zorn, C.; Brückner, T.; Ortmanns, M.; Mathis, W.
STF Optimierung von single-bit CT ΣΔ Modulatoren basierend auf skalierten Filterkoeffizienten
Advances in Radio Science, Vol. 10, pp. 313-317
2012
296.
Ostrovskyy, P.; Gustat, H.; Ortmanns, M.; Scheytt, J. C.
A 5-Gb/s 2.1--2.2-GHz Bandpass Delta Sigma Modulator for Switch-Mode Power Amplifier
Microwave Theory and Techniques, IEEE Transactions on, Volume: 60, Issue: 8 2012 , pp: 2524 - 2531
2012
295.
Anders, J.; Ortmanns, M.; Boero, G.
Frequency noise in current-starved CMOS LC tank oscillators
In: Nonlinear Dynamics of Electronic Systems, Proceedings of NDES 2012 (2012), S. 1-4
2012
294.
Anders, J.; Ortmanns, M.; Brugger, J.; Boero, G.
Fully-integrated CMOS arrays for NMR microscopy
Workshop "Innovative Verarbeitung bioelektrischer und biomagnetischer Signale" - BBS2012, Berlin, Germany
2012
293.
Noorsal, E.; Sooksood, K.; Xu, H.; Hornig, R.; Becker, J.; Ortmanns, M.
A Neural Stimulator Frontend with High-Voltage Compliance and Programmable Pulse Shape for Epiretinal Implants
IEEE Journal of Solid-State Circuits, Vol. 47, no. 1, pp. 244-256
January 2012
292.
Anders, J.; Ortmanns, M.; Boero, G.
Noise in Frequency-Sensitive ESR Detectors
MATHMOD, Vienna, Austria
2012
291.
Angele, D.; Stein, M.; Kauffman, J. G.; Ortmanns, M.; Becker, J.
A reconfigurable Continuous-Time ΔΣ-ADC using a digitally programmable gm-C array
IEEE 55th International Midwest Symposium on Circuits and Systems (MWSCAS)
2012
290.
Anders, J.; Ortmanns, M.; Scheffler, K.; Beoro, G.
Active Integrated Tracking Detectors for MRI-Guided
Interventions, BMT 2012, Jena, Germany
2012
289.
Wagner, R.; Thom, M.; Schweiger, R.; Röhlig, A.; Rothermel, A.
Influence of Image Compression on Cascade Classifier Components
Intelligent Systems and Informatics (SISY), 2012 IEEE 10th International Symposium on
2012

2011

288.
Kauffman, J. G.; Witte, P.; Becker, J.; Ortmanns, M.
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
IEEE Journal of Solid-State Circuits
December 2011
287.
Xu, H.; Ortmanns, M.
A Temperature and Process Compensated Ultra-Low-Voltage Rectifier in Standard Threshold CMOS for Energy Harvesting Applications
IEEE Trans. Circuits Syst. II, Express Briefs
December 2011
286.
Roll, T.; Vepa, L.; Wünschmann, J.; Rothermel, A.
Audio Signal Processing Adapted to Mobile Reception of DVB-T
IEEE Transactions on Consumer Electronics, Vol. 57, No. 4, S. 1899-1906
November 2011