Publications (Total)

2015

438.
Ritter, R.; Ortmanns, M.
Continuous-Time Delta-Sigma ADCs With Improved Interferer Rejection
Emerging and Selected Topics in Circuits and Systems, IEEE Journal, vol.5, no.4, pp.500-513
December 2015
437.
Fahmy, S.; Dietl, M.; Sareen, P.; Ortmanns, M.; Anders, J.
A BW-tracking semi-digital PLL with near-optimal VCO phase noise shaping in low-cost 0.4 μm CMOS achieving 700 fs rms phase jitter
IEEE Nordic Circuits and Systems Conference (NORCAS) 2015, Oslo, Norway
October 2015
436.
Kaim, H.; Brendler, C.; Rieger, V.; Rothermel, A.
Capacitive coupled full-wave rectifier for rectangular power signals
Biomedical Circuits and Systems Conference (BioCAS), IEEE, pp.1-4
October 2015
435.
Rieger, V.; Schütz, H.; Gambach, S.; Rothermel, A.
On-Chip Spatial Filter for Subretinal Implants
Nordic Circuits and Systems Conference (NORCAS): NORCHIP & International Symposium on System-on-Chip (SoC), Oslo, Norway
October 2015
434.
Elkafrawy, A.; Anders, J.; Ortmanns, M.
A 10-bit Reference Free Current Mode SAR ADC with 58.4 dB SFDR at 50 MS/s in 90 nm CMOS
IEEE Nordic Circuits and Systems Conference (NORCAS), Oslo, Norway
October 2015
433.
Elkafrawy, A.; Anders, J.; Ortmanns, M.
Design and Validation of a Current Mode Based SAR ADC in 90 nm CMOS
Kleinheubacher Tagung, Miltenberg, Germany
September 2015
432.
Ritter, R.; Torta, P.; Dörrer, L.; Di Giandomenico, A.; Herzinger, S.; Ortmanns, M.
A Multimode CT ΔΣ-Modulator with a Reconfigurable Digital Feedback Filter for Semi-Digital Blocker/Interferer Rejection
European Solid-State Circuits Conference (ESSCIRC), Graz, Austria
September 2015
431.
Liu, T.; Anders, J.; Ortmanns, M.
A Bidirectional Optical Transcutaneous Telemetric Link for Brain Machine Interface
Electronic letters
September 2015
430.
Rieger, V.; Buntz, F.; Feller, C.; Rothermel, A.
Low-latency system for evaluation of image-enhancement-algorithms on patients using subretinal implants
Engineering in Medicine and Biology Society (EMBC), 37th Annual International Conference of the IEEE
August 2015
429.
Lorenz, M.; Becker, J.; Ortmanns, M.
A Hybrid of Unscented Kalman Filter and Genetic Algorithm for State and Parameter Estimation in Sigma-Delta Modulators
Electronics Letters, IEEE
August 2015
428.
Handwerker, J.; Eschelbach, M.; Hoffmann, A.; Ortmanns, M.; Scheffler, K.; Anders, J.
An Array of Active TX/RX 19F NMR Field Probes for Gradient Trajectory Mapping
Euromar 2015, Prague, Czech Republic
July 2015
427.
Elkafrawy, A.; Anders, J.; Ortmanns, M.
A 10-bit 150 MS/s Current Mode SAR ADC in 90 nm CMOS
11th IEEE Conference on PhD Research in Microelectronics and Electronics (IEEE PRIME 2015), Glasgow, Scotland, United Kingdom
June 2015
426.
Al Marashli, A.; Anders, J.; Ortmanns, M.
Design study on a SAR ADC using an incremental sigma-delta-DAC
11th Conference on PhD Research in Microelectronics and Electronics (IEEE PRIME 2015), Glasgow, Scotland, United Kingdom
June 2015
425.
Chu, C.; Anders, J.; Becker, J.; Ortmanns, M.
Finite GBW Compensation Technique for CT Delta-Sigma Modulators with Differentiator Based ELD Compensation
IEEE NEWCAS 2015, Grenoble, France
June 2015
424.
Ritter, R.; Lorenz, M.; Ortmanns, M.
Anti-Aliasing Filter Improvement in Continuous-Time Feedback Sigma-Delta Modulators
IEEE International Symposium on Circuits and Systems (ISCAS), Lisbon, Portugal
May 2015
423.
Lorenz, M.; Ritter, R.; Anders, J.; Ortmanns, M.
Estimation of Non-Idealities in Sigma-Delta Modulators for Test and Correction Using Unscented Kalman Filters
Circuits and Systems I: Regular Papers, IEEE Transactions on
March 2015
422.
Schlecker, B.; Eichel, A.; Ortmanns, M.; Fantner, G.; Anders, J.
Modeling and Design of high-speed FM-AFM driver electronics using Cadence Virtuoso® and Simulink®
8th Vienna International Conferenceon Mathematical Modelling — MATHMOD
February 2015
421.
Pour-Aryan, N.; Kaim, H.; Rothermel, A.
Stimulation and Recording Electrodes for Neural Prostheses
Publisher: Heidelberg, New York, Springer
2015
420.
Tao, S.; Chi, J.; Rusu, A.
Design considerations for pipelined continuous-time incremental Sigma-Delta ADCs
2015 IEEE International Symposium on Circuits and Systems (ISCAS), pp. 1014-1017, Lisbon, Portugal
2015

2014

419.
Elkafrawy, A.; Al Marashli, A.; Ritter, R.; Anders, J.; Ortmanns, M.
Design of a High Linearity Gm Stage for a High Speed Current Mode SAR ADC
21st IEEE International Conference on Electronics, Circuits and Systems (ICECS), Marseille, France
December 2014
418.
Al Marashli, A.; Anders, J.; Ortmanns, M.
Employing Incremental Sigma Delta DACs for High Resolution SAR ADC
21st IEEE International Conference on Electronics, Circuits and Systems (ICECS), Marseille, France
December 2014
417.
Xu, H.; Handwerker, J.; Ortmanns, M.
Telemetry for Implantable Medical Devices: Part 2 – Power Telemetry
IEEE Solid State Circuits Society Magazine, Vol. 6, No. 3, pp. 60 – 63
November 2014
416.
Völker, M.; Pashmineh, S.; Hauer, J.; Ortmanns, M.
Current Feedback Linearization Applied to Oscillator Based ADCs
IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 61, no. 11, pp. 3066-3074
November 2014
415.
Bihr, U.; Haas, M.; Anders, J.; Ortmanns, M.
Comparison of Different Compression Schemes for Neural Spike Signals
BMT 2014, Hannover, Germany
October 2014
414.
Liu, T.; Anders, J.; Ortmanns, M.
Design of an Optical Transcutaneous Forward Data Telemetry for Brain Machine Interface
48th annual conference of the German Society for Biomedical Engineering, Hannover, Germany
October 2014