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Related Publications

2024

  • P. Kaesser, J. Wagner, O. Ismail and M. Ortmanns
    Inner Transfer Functions in Incremental ΔΣ ADCs,
    IEEE Transactions on Circuits and Systems II: Express Briefs
    ➔[On IEEE Xplore]

2022

  • Wagner, J.; Mokhtar, M. A.; Ortmanns, M.
    Automated Design of Sigma-Delta Modulators with FIR Feedback,
    IEEE International Symposium on Circuits and Systems (ISCAS), Austin, USA
    ➔[On IEEE Xplore]

2021

  • Wagner, J.; Miki, T.; Ortmanns, M.
    Compensation of Finite GBW in CT Bandpass SDMs based on Single-OpAmp Resonators with Positive-Feedback,
    2021 IEEE International Midwest Symposium on Circuits and Systems (MWSCAS)
    ➔[On IEEE Xplore]

2020

  • Wagner, J.; Vogelmann, P.; Ortmanns, M.
    An Automated Design Environment for CT Incremental Sigma-Delta ADCs,
    27th IEEE International Conference on Electronics, Circuits and Systems (ICECS)
    ➔[On IEEE Xplore]

  • Wagner, J.; Vogelmann, P.; Ortmanns, M.
    Performance Evaluation of Incremental Sigma-Delta ADCs Based on their NTF,
    IEEE Transactions on Circuits and Systems II: Express Briefs
    ➔[On IEEE Xplore]

2019

  • Wagner, J.; Vogelmann, P.; Ortmanns, M.
    On the Signal filtering Property of CT Incremental Sigma-Delta ADCs,
    IEEE Transactions on Circuits and Systems II: Express Briefs
    ➔[On IEEE Xplore]

2018

  • 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 IEEE Xplore]

  • 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
    ➔[On IEEE Xplore]

  • 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 2018), Florence, Italy, May 2018
    ➔[On IEEE Xplore]

  • 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 SystemsII: Express Briefs, Vol. 65, No. 5, May 2018
    ➔[On IEEE Xplore]

2017

  • J. Wagner, J. Chi and M. Ortmanns
    Designing CT Bandpass Sigma-Delta Modulators with Arbitrary STF Shapes,
    IEEE International Symposium on Circuits and Systems (ISCAS 2017), Baltimore, USA, May 2017
    ➔[On IEEE Xplore]

2016

  • J. Wagner, J. Chi and M. Ortmanns
    Designing CT ΣΔ Modulators with Shaped Feedback Waveforms using www.sigma-delta.de,
    23rd IEEE International Conference on Electronics, Circuits and Systems (ICECS), Monaco, December 2016
    ➔[On IEEE Xplore]

  • J. Wagner, R. Ritter and M. Ortmanns
    STF Engineering in CT Sigma-Delta Modulators using www.sigma-delta.de,
    Conference on PhD Research in Microelectronics and Electronics (PRIME 2016), Lisbon, Portugal, June 2016
    ➔[On IEEE Xplore]

  • J. Wagner, R. Ritter and M. Ortmanns,
    Using www.sigma-delta.de to Rapidly Obtain ELD Compensated CT ΣΔ Modulators,
    IEEE International Symposium on Circuits and Systems (ISCAS 2016), Montréal, Québec, Canada, May 2016
    ➔[On IEEE Xplore]

  • R. Ritter, J. G. Kauffman, J. Becker and M. Ortmanns,
    A 10 MHz Bandwidth, 70 dB SNDR Continuous Time Delta-Sigma Modulator With Digitally Improved Reconfigurable Blocker Rejection,
    IEEE Journal of Solid-State Circuits, vol. 51, no. 3, pp. 660-670, March 2016
    ➔[On IEEE Xplore]

2014

  • 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,
    Circuits and Systems I: Regular Papers, IEEE Transactions on , vol.61, no.5, pp.1429,1441, May 2014.
    ➔[On IEEE Xplore]

2013

  • T. Brückner, 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,
    Electronics, Circuits and Systems (ICECS), 2013 20th IEEE International Conference on Circuits and Systems.
    ➔[On IEEE Xplore]

  • T. Brückner, M. Kiebler, M. Lorenz, C. Zorn, W. Mathis and M. Ortmanns,
    Calculating Transfer Functions of CT Sigma-Delta Modulators with Arbitrary DAC Waveforms,
    circuits and Systems (ISCAS), 2013 IEEE International Symposium on , vol., no., pp.1264,1267, 19-23 May 2013.
    ➔[On IEEE Xplore]

2012

  • T. Brückner, M. Kiebler, C. Zorn, W. Mathis, and M. Ortmanns,
    Discrete-Time Simulation of Arbitrary Digital/Analog Converter Waveforms in Continuous-Time Sigma-Delta Modulators,
    Electronics, Circuits and Systems (ICECS), 2012 19th IEEE International Conference on, vol., no., pp.432,435, 9-12 Dec. 2012.
    ➔[On IEEE Xplore]

  • T. Brückner, M. Lorenz, C. Zorn, J. Becker, W. Mathis, and M. Ortmanns,
    Hardware-Accelerated Simulation Environment for CT Sigma–Delta Modulators Using an FPGA,
    Circuits and Systems II: Express Briefs, IEEE Transactions on, vol.59, no.8, pp.471,475, Aug. 2012.
    ➔[On IEEE Xplore]

2007

  • A., Buhmann, M. Keller, M. Maurer, M. Ortmanns, and Y. Manoli,
    DISCO - A Toolbox for the Discrete-Time Simulation of Continuous-Time Sigma-Delta Modulators Using MATLAB,
    Circuits and Systems, 2007. MWSCAS 2007. 50th Midwest Symposium on, vol., no., pp.1082,1085, 5-8 Aug. 2007.
    ➔[On IEEE Xplore]

  • M. Keller, A. Buhmann, M. Ortmanns, and Y. Manoli,
    A Method for the Discrete-Time Simulation of Continuous-Time Sigma-Delta Modulators,
    Circuits and Systems, 2007. ISCAS 2007. IEEE International Symposium on, May 2007, pp. 241 –244.
    ➔[On IEEE Xplore]