Publications - Dr.-Ing. J. G. Kauffman

Papers  Patents

Papers

2012

6.
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

2011

5.
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
Dezember 2011
4.
Witte, P.; Kauffman, J. G.; Becker, J.; Ortmanns, M.
Correlation Based Background Error Estimation Technique for Bandpass Delta-Sigma ADC DACs
IEEE Trans. Circuits Syst. II, Express Briefs
November 2011
3.
Chu, C.; Kauffman, J. G.; Anis, S.; Ortmanns, M.
A 4-bit, 500M/s Flash Quantizer Using an Auto-Zeroing Offset Compensated Comparator in 250nm SiGe
Kleinheubacher Tagung, Miltenberg, Germany
September 2011
2.
Witte, P.; Kauffman, J. G.; Becker, J.; Ortmanns, M.
A digital background correction for DAC nonlinearities in lowpass and bandpass delta-sigma modulators - theory and implementation
The 9th Int. Conf. on Sampling Theory and Applications (SampTA), Singapore
Mai 2011
1.
Kauffman, J. G.; Witte, P.; Becker, J.; Ortmanns, M.
An 8mW 50MS/s CT ΔΣ Modulator with 81dB SFDR and Digital Background DAC Linearization
IEEE Int. Conf. on Solid State Circuits (ISSCC), San Francisco, USA
Februar 2011

Patents

  1. John G. Kauffman
    Low supply class AB output amplifier
    [US9859856B1], Intel IP Corp.

  2. Marco Bresciani, John G. Kauffman, Udo Schuetz, Patrick Torta, Francesco Conzatti 
    Sigma-delta analog-to-digital converter including loop filter having components for feedback digital-to-analog converter correction
    [US9866227B1]
    2016

  3. John G. Kauffman, Krzysztof Dufrene
    Apparatus for overload recovery of an integrator in a sigma-delta modulator
    [US9680496B2], Intel IP Corp.
    2015

  4. John G. Kauffman, Udo Schuetz
    Single amplifer bi-quad sigma-delta modulator
    [US9559719B1], Intel IP Corp.
    2015

  5. John G. Kauffman, Udo Schuetz
    Apparatus for correcting linearity of a digital-to-analog converter
    [US9509326B1], Intel IP Corp.
    2015