Artikel
2026
63.
O. Ismail,
M. Dalla Longa,
F. Conzatti,
J. G. Kauffman and
M. Ortmanns,
"A 20kHz, 112dB SFDR, Extended-Counting ADC",
IEEE European Solid-State Electronics Research Conference (ESSERC), Palma de Mallorca, Spain,
Sep.
2026.
62.
B. Zaky,
J. G. Kauffman,
F. Conzatti and
M. Ortmanns,
"Influence of Quantizer Resolution in Gm-C Based DSM with Feedback Non-Linearity Cancellation",
IEEE International Symposium on Circuits and Systems (ISCAS), pp. 1373–1377,
Mai
2026.
| DOI: | 10.1109/ISCAS66217.2026.11562043 |
61.
B. Driemeyer,
H. Mandry,
D. -. Wiens,
J. G. Kauffman,
J. Becker and
M. Ortmanns,
"An Eye-Opening Arbiter PUF With Auto-Error Detection and PVT-Robust Masking Achieving a BER of 2e-8",
IEEE Journal of Solid-State Circuits ( Early Access ),
Feb.
2026.
| DOI: | 10.1109/JSSC.2026.3663673 |
60.
D. -. Wiens,
A. Abdelaal,
B. Driemeyer,
J. Becker,
J. G. Kauffman and
M. Ortmanns,
"A Mixed-Signal I-D-TIA with Direct Digitization",
IEEE Sensors Magazine ( Early Access ),
Feb.
2026.
| DOI: | 10.1109/SEM.2025.3646985 |
2025
59.
A. Abdelaal,
J. G. Kauffman,
M. Dalla Longa,
F. Conzatti and
M. Ortmanns,
"An 80 MHz CT DSM With SMASH DAC Achieving 106.2 dB SFDR Without Linearity Calibration",
IEEE Journal of Solid-State Circuits ( Early Access ),
Dez.
2025.
| DOI: | 10.1109/JSSC.2025.3648344 |
58.
D. -. Wiens,
A. Abdelaal,
B. Driemeyer,
J. Becker,
J. G. Kauffman and
M. Ortmanns,
"A Digitizing Integrator–Differentiator TIA With 1-MHz Bandwidth and 93-pArms Sensitivity in 28-nm CMOS",
IEEE Journal of Solid-State Circuits ( Early Access ),
Nov.
2025.
| DOI: | 10.1109/JSSC.2025.3626825 |
57.
M. Dalla Longa,
F. Conzatti,
O. Ismail,
A. Abdelaal,
J. G. Kauffman and
M. Ortmanns,
"A 470-μW, 102.6-dB DR, 20-kHz BW Calibration-Free ΔΣ Modulator With SFDR in Excess of 110 dBc Using an Intrinsically Linear 13-Level DAC",
IEEE Journal of Solid-State Circuits, Volume: 60, Issue: 11, Page(s): 4059 - 4072,
Nov.
2025.
| DOI: | 10.1109/JSSC.2025.3553310 |
56.
M. Dalla Longa,
F. Conzatti,
A. Morgado,
E. O. Garcia,
A. Abdelaal and
J. G. Kauffman,
"A 24-MHz BW, 97-dB SFDR, CT ΔΣ Modulator with a Jitter Robust Shunt Current Steering DAC",
IEEE European Solid-State Electronics Research Conference (ESSERC), Munich, Germany,
Sep.
2025.
| DOI: | 10.1109/ESSERC66193.2025.11214080 |
55.
A. Abdelaal,
D. -. Wiens,
M. Dalla Longa,
J. Ungethüm,
J. G. Kauffman and
F. Conzatti,
"A 3 MHz Calibration-Free CT-DSM Achieving 102.3dB SFDR Using MASH Dual Quantization",
IEEE European Solid-State Electronics Research Conference (ESSERC), Munich, Germany,
Sep.
2025.
| DOI: | 10.1109/ESSERC66193.2025.11214116 |
54.
B. Zaky,
J. G. Kauffman,
F. Conzatti and
M. Ortmanns,
"Non-Linearity Cancellation of Gm-C Based DSM",
IEEE International Symposium on Circuits and Systems (ISCAS), London, United Kingdom,
Jun.
2025.
| DOI: | 10.1109/ISCAS56072.2025.11044033 |
53.
M. Ghoneim,
O. Ismail,
J. G. Kauffman and
M. Ortmanns,
"A Design Study of Power-Efficient Opamp Topologies for Discrete-Time ∆Σ Modulators",
IEEE International Symposium on Circuits and Systems (ISCAS), London, United Kingdom,
Mai
2025.
| DOI: | 10.1109/ISCAS56072.2025.11043982 |
52.
A. Abdelaal,
B. Driemeyer,
J. Conrad,
J. G. Kauffman and
M. Ortmanns,
"Analysis of Dynamic Errors in Tri-level DACs for Continuous-Time Delta-Sigma Modulators",
IEEE International Symposium on Circuits and Systems (ISCAS), London, United Kingdom,
Mai
2025.
| DOI: | 10.1109/ISCAS56072.2025.11043928 |
51.
O. Ismail,
P. Kässer,
M. Sporer,
J. G. Kauffman and
M. Ortmanns,
"Incremental ∆Σ ADCs without Periodic Reset",
IEEE International Symposium on Circuits and Systems (ISCAS), London, United Kingdom, pp. 1-5,
Mai
2025.
| DOI: | 10.1109/ISCAS56072.2025.11043980 |
50.
A. Abdelaal,
J. G. Kauffman,
J. Becker,
M. Dalla Longa,
F. Conzatti and
M. Ortmanns,
"A Calibration-free 80MHz CT DSM Using Dual Quantization and ISI Shuffler Achieving 106.2dB SFDR",
IEEE Custom Integrated Circuits Conference (CICC), Boston, MA, USA,
Apr.
2025.
| DOI: | 10.1109/CICC63670.2025.10982928 |
49.
D. -. Wiens,
A. Abdelaal,
B. Driemeyer,
J. Becker,
J. G. Kauffman and
M. Ortmanns,
"A Direct Digitizing, 1MHz Bandwidth, 28fA/√Hz Current Sensing Front-End Based on a Mixed-Signal Integrator-Differentiator TIA in 28nm CMOS",
IEEE Custom Integrated Circuits Conference (CICC), Boston, MA, USA,
Apr.
2025.
| DOI: | 10.1109/CICC63670.2025.10983397 |
48.
B. Driemeyer,
H. Mandry,
D. -. Wiens,
J. Becker,
J. G. Kauffman and
M. Ortmanns,
"17.5 An Eye-Opening Arbiter PUF for Fingerprint Generation Using Auto-Error Detection for PVT-Robust Masking and Bit Stabilization Achieving a BER of 2e-8 in 28nm CMOS",
IEEE International Solid-State Circuits Conference (ISSCC), San Francisco, CA, USA,
Feb.
2025.
2024
47.
J. Conrad,
J. G. Kauffman,
S. Wilhelmstätter,
R. Asthana,
V. Belagiannis and
M. Ortmanns,
"Confidence Estimation and Boosting for Dynamic-Comparator Transient-Noise Analysis",
22nd IEEE Interregional NEWCAS Conference (NEWCAS),
Sep.
2024.
| DOI: | 10.1109/NewCAS58973.2024.10666354 |
46.
A. Abdelaal,
M. Pietzko,
J. G. Kauffman,
A. Jain and
M. Ortmanns,
"ΔΣ Modulators Employing MASH DSM DAC-Based Dual Quantization",
IEEE Transactions on Circuits and Systems I: Regular Papers ( Volume: 72, Issue: 1, Page(s) 71-84, January 2025),
Aug.
2024.
| DOI: | 10.1109/TCSI.2024.3448224 |
45.
A. Abdelaal,
M. Pietzko,
J. Ungethüm,
J. G. Kauffman and
M. Ortmanns,
"Using Negative-R Assisted Integrators in Wide-band Delta-Sigma Modulators",
IEEE International Symposium on Circuits and Systems (ISCAS), Singapore,
Jul.
2024.
| DOI: | 10.1109/ISCAS58744.2024.10558442 |
44.
M. Dalla Longa,
F. Conzatti,
O. Ismail,
J. G. Kauffman and
M. Ortmanns,
"A 470μW, 102.6dB-DR, 20kHz BW Calibration-Free ΔΣ Modulator with SFDR in Excess of 110dBc using an Intrinsically Linear 13-Level DAC",
IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and Circuits), Honolulu, HI, USA, 2024, pp. 1-2,
Jun.
2024.
| DOI: | 10.1109/VLSITechnologyandCir46783.2024.10631405 |
43.
M. Pietzko,
J. Ungethüm,
A. Abdelaal,
J. G. Kauffman and
M. Ortmanns,
"A 600MS/s 10-bit SAR ADC with unit via-based delta-length C-DAC in 22nm FDSOI",
IEEE International Symposium on Circuits and Systems (ISCAS), Singapore,
Mai
2024.
| DOI: | 10.1109/ISCAS58744.2024.10558087 |
42.
O. Ismail,
P. Kässer,
J. G. Kauffman and
M. Ortmanns,
"Non-Ideal Reset in Incremental Delta-Sigma ADCs",
IEEE 22nd Interregional NEWCAS Conference Sherbrooke, Quebec, Canada,
Apr.
2024.
41.
O. Ismail,
P. Kässer,
J. G. Kauffman and
M. Ortmanns,
"DAC Element Mismatch Shaping Algorithms in Incremental Delta-Sigma ADCs",
IEEE International Symposium on Circuits and Systems (ISCAS), Singapore,
Jan.
2024.
| DOI: | 10.1109/ISCAS58744.2024.10558337 |
2023
40.
M. A. Mokhtar,
O. Ismail,
P. Vogelmann,
J. G. Kauffman and
M. Ortmanns,
"A 40 kS/sCalibration-Free Incremental △Σ ADC Achieving 104 dB DR and 105.7 dB SFDR",
ESSCIRC 2023- IEEE 49th European Solid State Circuits Conference (ESSCIRC), Lisbon, Portugal, pp. 401-404,
Sep.
2023.
| DOI: | 10.1109/ESSCIRC59616.2023.10268735 |
39.
J. Ungethüm,
M. Pietzko,
A. Abdelaal,
J. G. Kauffman and
M. Ortmanns,
"A Chopped 6-bit 1.6 GS/s SAR ADC Utilizing Slow Decision Information in 22 nm FDSOI",
ESSCIRC 2023- IEEE 49th European Solid State Circuits Conference (ESSCIRC),
Sep.
2023.
| DOI: | 10.1109/ESSCIRC59616.2023.10268704 |
Patente
- John G. Kauffman
Low supply class AB output amplifier
[US9859856B1], Intel IP Corp.
- 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
- John G. Kauffman, Krzysztof Dufrene
Apparatus for overload recovery of an integrator in a sigma-delta modulator
[US9680496B2], Intel IP Corp.
2015
- John G. Kauffman, Udo Schuetz
Single amplifer bi-quad sigma-delta modulator
[US9559719B1], Intel IP Corp.
2015
- John G. Kauffman, Udo Schuetz
Apparatus for correcting linearity of a digital-to-analog converter
[US9509326B1], Intel IP Corp.
2015