Publications

J. G. Kauffman, V. Rieger, R. Ritter, J. Anders, and M. Ortmanns. Design of a 5bit 1GSps VCO Quantizer for a CT Delta Sigma Modulator. PRIME 2012; 8th Conference on Ph.D. Research in Microelectronics Electronics, 1-4, June 2012. [PUMA: delta modulators quantizer sigma] URL

C. Chu, T. Brückner, J. G. Kauffman, J. Anders, J. Becker, and M. Ortmanns. Analysis and design of high speed/high linearity continuous time delta-sigma modulator. 2013 IEEE International Symposium on Circuits and Systems (ISCAS), 1268-1271, May 2013. [PUMA: delta modulators sigma] URL

C. Chu, J. G. Kauffman, J. Anders, J. Becker, M. Ortmanns, M. Epp, and S. Chartier. A 1.92-GS/s CT ΔΣ modulator with 70-db DR and 78-db SFDR in 15-MHz bandwidth. 2014 IEEE 12th International New Circuits and Systems Conference (NEWCAS), 480-483, June 2014. [PUMA: delta modulators sigma] URL

T. Brückner, C. Zorn, J. Anders, J. Becker, W. Mathis, and M. Ortmanns. A GPU-Accelerated Web-Based Synthesis Tool for CT Sigma-Delta Modulators. IEEE Transactions on Circuits and Systems I: Regular Papers, (61)5:1429-1441, May 2014. [PUMA: delta modulators sigma] URL

M. Lorenz, R. Ritter, J. Anders, and M. Ortmanns. Estimation of Non-Idealities in Sigma-Delta Modulators for Test and Correction Using Unscented Kalman Filters. IEEE Transactions on Circuits and Systems I: Regular Papers, (62)5:1240-1249, May 2015. [PUMA: Kalman delta filter modulators sigma] URL

T. Bru¨ckner, M. Kiebler, M. Lorenz, C. Zorn, J. Anders, W. Mathis, and M. Ortmanns. Discrete-time simulation of continuous-time ΣΔ modulators with arbitrary input signals. 2013 IEEE 20th International Conference on Electronics, Circuits, and Systems (ICECS), 549-552, December 2013. [PUMA: delta modulators sigma] URL

M. Lorenz, T. Brückner, R. Ritter, J. Anders, and M. Ortmanns. A square root unscented Kalman filter for estimating DAC and loopfilter nonidealities in continuous-time sigma-delta modulators. 2014 IEEE International Symposium on Circuits and Systems (ISCAS), 1159-1162, June 2014. [PUMA: Kalman delta filter modulators sigma] URL

J. Anders, W. Mathis, and M. Ortmanns. A new optimization approach for the automatic design of ΣΔ-modulators. 2008 IEEE International Symposium on Circuits and Systems, 1432-1435, May 2008. [PUMA: delta modulators sigma] URL

C. Chu, J. Anders, J. Becker, and M. Ortmanns. Finite GBW compensation technique for CT ΔΣ modulators with differentiator based ELD compensation. 2015 IEEE 13th International New Circuits and Systems Conference (NEWCAS), 1-4, June 2015. [PUMA: delta modulators sigma] URL

A. Mohamed, and J. Anders. Stability Analysis of Incremental ΣΔ Modulators using Mixed-Logic Dynamical Systems and Optimal Control Theory. 2020 IEEE International Symposium on Circuits and Systems (ISCAS), 1-5, October 2020. [PUMA: delta modulators sigma] URL

M. Lorenz, T. Bru¨ckner, J. Anders, and M. Ortmanns. An advanced unscented Kalman filter algorithm for parameter estimation in continuous-time sigma-delta modulators. 2013 IEEE 20th International Conference on Electronics, Circuits, and Systems (ICECS), 545-548, December 2013. [PUMA: Kalman Sigma delta filter modulators] URL

A. Mohamed, A. Sakr, and J. Anders. FIR Feedback in Continuous- Time Incremental Sigma-Delta ADCs. 2019 17th IEEE International New Circuits and Systems Conference (NEWCAS), 1-4, June 2019. [PUMA: delta modulators sigma] URL

J. Anders, J. Bremer, and W. Mathis. Mixed-logic dynamical system modeling of ΣΔ-modulators and its application to stability analysis. 2009 IEEE International Symposium on Circuits and Systems, 3122-3125, May 2009. [PUMA: delta modulators sigma] URL

J. Chi, R. Ritter, J. Wagner, J. Anders, and M. Ortmanns. Phase noise vs. jitter analysis in continuous-time LP and BP ΣΔ modulators with interferers. 2016 IEEE International Conference on Electronics, Circuits and Systems (ICECS), 476-479, December 2016. [PUMA: delta modulators sigma] URL

J. Wagner, S. Reich, R. Ritter, J. Anders, and M. Ortmanns. Finite GBW in single OpAmp CT ΣΔ modulators. 2016 IEEE International Conference on Electronics, Circuits and Systems (ICECS), 468-471, December 2016. [PUMA: Sigma delta] URL

J. Anders, and W. Mathis. On the modeling and the stability of continuous-time ΣΔ-Modulators. 2007 IEEE International Symposium on Circuits and Systems, 9-12, May 2007. [PUMA: Delta Sigma modulator stability] URL

J. Chi, J. Wagner, J. Anders, and M. Ortmanns. Digital interferer suppression and jitter reduction in continuous-time bandpass ΣΔ modulators. 2017 IEEE International Symposium on Circuits and Systems (ISCAS), 1-4, May 2017. [PUMA: Delta Sigma interference modulators suppressions] URL

C. Chu, T. Bruckner, J. G. Kauffman, J. Anders, J. Becker, and M. Ortmanns. Analysis and Design of High Speed/High Linearity Continuous Time Delta-Sigma Modulator. 2013 Ieee International Symposium on Circuits and Systems (Iscas), 1268-1271, 2013. [PUMA: delta modulators sigma] URL

M. Lorenz, T. Bruckner, J. Anders, and M. Ortmanns. An Advanced Unscented Kalman Filter Algorithm for Parameter Estimation in Continuous-Time Sigma-Delta Modulators. 2013 Ieee 20th International Conference on Electronics, Circuits, and Systems (Icecs), 545-548, 2013. [PUMA: Kalman delta filter modulator sigma] URL

J. Anders, W. Mathis, and M. Ortmanns. A new optimization approach for the automatic design of Sigma Delta-modulators. Proceedings of 2008 Ieee International Symposium on Circuits and Systems, Vols 1-10, 1432-+, 2008. [PUMA: delta modulators sigma] URL