John G. Kauffman

49 papers C 20Journal 10Unranked 19

Year	Rank	Type	Title / Venue / Authors
2025	J	`jnl`	A 470- μ W, 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 J. Solid State Circuits Matteo Dalla Longa, Francesco Conzatti, Omar Ismail, Ahmed Abdelaal, John G. Kauffman, Maurits Ortmanns
2025	—	`conf`	A Calibration-free 80MHz CT DSM Using Dual Quantization and ISI Shuffler Achieving 106.2dB SFDR. CICC Ahmed Abdelaal, John G. Kauffman, Joachim Becker, Matteo Dalla Longa, Francesco Conzatti, Maurits Ortmanns
2025	C	`conf`	A Design Study of Power-Efficient Opamp Topologies for Discrete-Time ∆Σ Modulators. ISCAS Mahmoud Ghoneim, Omar Ismail, John G. Kauffman, Maurits Ortmanns
2025	—	`conf`	A Direct Digitizing, 1MHz Bandwidth, 28fA/√Hz Current Sensing Front-End Based on a Mixed-Signal Integrator-Differentiator TIA in 28nm CMOS. CICC David-Peter Wiens, Ahmed Abdelaal, Bjoern Driemeyer, Joachim Becker, John G. Kauffman, Maurits Ortmanns
2025	—	`conf`	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. ISSCC Bjoern Driemeyer, Holger Mandry, David-Peter Wiens, Joachim Becker, John G. Kauffman, Maurits Ortmanns
2025	C	`conf`	Analysis of Dynamic Errors in Tri-level DACs for Continuous-Time Delta-Sigma Modulators. ISCAS Ahmed Abdelaal, Björn Driemeyer, Joschua Conrad, John G. Kauffman, Maurits Ortmanns
2025	C	`conf`	Incremental ∆Σ ADCs without Periodic Reset. ISCAS Omar Ismail, Paul Kaesser, Markus Sporer, John G. Kauffman, Maurits Ortmanns
2025	C	`conf`	Non-Linearity Cancellation of Gm-C Based DSM. ISCAS Bishoy M. Zaky, John G. Kauffman, Francesco Conzatti, Maurits Ortmanns
2025	J	`jnl`	ΔΣ Modulators Employing MASH DSM DAC-Based Dual Quantization. IEEE Trans. Circuits Syst. I Regul. Pap. Ahmed Abdelaal, Michael Pietzko, John G. Kauffman, Ankesh Jain, Maurits Ortmanns
2024	—	`conf`	A 470μW, 102.6dB-DR, 20kHz BW Calibration-Free ΔΣ Modulator with SFDR in Excess of 110dBc using an Intrinsically Linear 13-Level DAC. VLSI Technology and Circuits Matteo Dalla Longa, Francesco Conzatti, Omar Ismail, John G. Kauffman, Maurits Ortmanns
2024	C	`conf`	A 600MS/s 10-bit SAR ADC with unit via-based delta-length C-DAC in 22nm FDSOI. ISCAS Michael Pietzko, Jonathan Ungethüm, Ahmed Abdelaal, John G. Kauffman, Maurits Ortmanns
2024	—	`conf`	Confidence Estimation and Boosting for Dynamic-Comparator Transient-Noise Analysis. NewCAS Joschua Conrad, John G. Kauffman, Simon Wilhelmstätter, Rohan Asthana, Vasileios Belagiannis, Maurits Ortmanns
2024	C	`conf`	DAC Element Mismatch Shaping Algorithms in Incremental Delta-Sigma ADCs. ISCAS Omar Ismail, Paul Kaesser, John G. Kauffman, Maurits Ortmanns
2024	—	`conf`	Non-Ideal Reset in Incremental Delta-Sigma ADCs. NewCAS Omar Ismail, Paul Kaesser, John G. Kauffman, Maurits Ortmanns
2024	C	`conf`	Using Negative-R Assisted Integrators in Wide-band Delta-Sigma Modulators. ISCAS Ahmed Abdelaal, Michael Pietzko, Jonathan Ungethüm, John G. Kauffman, Maurits Ortmanns
2023	—	`conf`	A 40 kS/sCalibration-Free Incremental △Σ ADC Achieving 104 dB DR and 105.7 dB SFDR. ESSCIRC Mohamed A. Mokhtar, Omar Ismail, Patrick Vogelmann, John G. Kauffman, Maurits Ortmanns
2023	—	`conf`	A Chopped 6-bit 1.6 GS/s SAR ADC Utilizing Slow Decision Information in 22 nm FDSOI. ESSCIRC Jonathan Ungethüm, Michael Pietzko, Ahmed Abdelaal, John G. Kauffman, Maurits Ortmanns
2023	J	`jnl`	An Intrinsically Linear 13-Level Capacitive DAC for Delta Sigma Modulators. IEEE Trans. Circuits Syst. II Express Briefs Matteo Dalla Longa, Francesco Conzatti, Tobias Hofmann, John G. Kauffman, Maurits Ortmanns
2023	—	`conf`	Bitwise ELD Compensation under Integrator Nonidealities in ΔΣ Modulators. NEWCAS Michael Pietzko, Julian Spiess, Jonathan Ungethüm, John G. Kauffman, Qiang Li, Maurits Ortmanns
2023	J	`jnl`	Delay Error Shaping in ΔΣ Modulators Using Time-Interleaved High Resolution Quantizers. IEEE Trans. Circuits Syst. I Regul. Pap. Michael Pietzko, Jonathan Ungethüm, John G. Kauffman, Maurits Ortmanns
2022	J	`jnl`	A 0.9-V DAC-Calibration-Free Continuous-Time Incremental Delta-Sigma Modulator Achieving 97-dB SFDR at 2 MS/s in 28-nm CMOS. IEEE J. Solid State Circuits Mohamed A. Mokhtar, Ahmed Abdelaal, Markus Sporer, Joachim Becker, John G. Kauffman, Maurits Ortmanns
2022	J	`jnl`	A Direct Digitizing Chopped Neural Recorder Using a Body-Induced Offset Based DC Servo Loop. IEEE Trans. Biomed. Circuits Syst. Markus Sporer, Stefan Reich, John G. Kauffman, Maurits Ortmanns
2022	C	`conf`	Bitwise ELD Compensation in Δ∑ Modulators. ISCAS Michael Pietzko, Jonathan Ungethüm, John G. Kauffman, Qiang Li, Maurits Ortmanns
2022	C	`conf`	Complexity Reduced LUT-Based DAC Correction in Continuous-Time Delta-Sigma Modulators. ISCAS Bjoern Driemeyer, Julian Spiess, John G. Kauffman, Maurits Ortmanns
2022	C	`conf`	Maximizing the Inter-Stage Gain in CT 0-X MASH Delta-Sigma-Modulators. ISCAS Jonathan Ungethüm, Michael Pietzko, John G. Kauffman, Qiang Li, Maurits Ortmanns
2021	—	`conf`	A 0.9-V Calibration-Free 97dB-SFDR 2-MS/s Continuous Time Incremental Delta-Sigma ADC Utilizing Variable Bit Width Quantizer in 28nm CMOS. CICC Mohamed A. Mokhtar, Ahmed Abdelaal, Markus Sporer, Joachim Becker, John G. Kauffman, Maurits Ortmanns
2021	—	`conf`	A Comparative Study of Noise Behavior in Single-Opamp Resonators in Delta-Sigma Modulators. ICECS Mohamed A. Mokhtar, Martin Merkle, John G. Kauffman, Maurits Ortmanns
2021	—	`conf`	Digital Resolution Requirements in 0-X MASH Delta-Sigma-Modulators. ICECS Jonathan Ungethüm, John G. Kauffman, Maurits Ortmanns
2021	C	`conf`	FIR Filter with Symmetric Non-Equal Coefficients for CT Delta-Sigma Modulators. ISCAS Ahmed Abdelaal, Michael Pietzko, Mohamed A. Mokhtar, John G. Kauffman, Maurits Ortmanns
2021	C	`conf`	Influence of Excess Loop Delay on the STF of Continuous-Time Delta-Sigma Modulators. ISCAS Michael Pietzko, Johannes Wagner, Ahmed Abdelaal, John G. Kauffman, Maurits Ortmanns
2021	—	`conf`	Minimizing Signal-Dependent Residue in CT Pipelined ADCs. MWSCAS Jonathan Ungethüm, John G. Kauffman, Maurits Ortmanns
2020	C	`conf`	A Comparative Study of ISI Errors in Different DAC Structures for CT Delta-Sigma Modulators. ISCAS Ahmed Abdelaal, John G. Kauffman, Mohamed A. Mokhtar, Maurits Ortmanns
2020	C	`conf`	FIR DACs in CT Incremental Delta-Sigma Modulators. ISCAS Mohamed A. Mokhtar, Patrick Vogelmann, Ahmed Abdelaal, John G. Kauffman, Maurits Ortmanns
2018	—	`conf`	A Multi-mode GSM to LTE100 ADC. ESSCIRC Jens Sauerbrey, Jacinto San Pablo Garcia, Udo Schutz, Hasham Khushk, John G. Kauffman
2016	J	`jnl`	A 10 MHz Bandwidth, 70 dB SNDR Continuous Time Delta-Sigma Modulator With Digitally Improved Reconfigurable Blocker Rejection. IEEE J. Solid State Circuits Rudolf Ritter, John G. Kauffman, Joachim Becker, Maurits Ortmanns
2014	—	`conf`	A 1.92-GS/s CT ΔΣ modulator with 70-db DR and 78-db SFDR in 15-MHz bandwidth. NEWCAS Chao Chu, John G. Kauffman, Jens Anders, Joachim Becker, Maurits Ortmanns, Michael Epp, Sébastien Chartier
2014	J	`jnl`	A 72 dB DR, CT ΔΣ Modulator Using Digitally Estimated, Auxiliary DAC Linearization Achieving 88 fJ/conv-step in a 25 MHz BW. IEEE J. Solid State Circuits John G. Kauffman, Pascal Witte, Matthias Lehmann, Joachim Becker, Yiannos Manoli, Maurits Ortmanns
2013	C	`conf`	A DAC cell with improved ISI and noise performance using native switching for multi-bit CT Delta Sigma modulators. ISCAS John G. Kauffman, Rudolf Ritter, Chao Chu, Maurits Ortmanns
2013	C	`conf`	Analysis and design of high speed/high linearity continuous time delta-sigma modulator. ISCAS Chao Chu, Timon Brückner, John G. Kauffman, Jens Anders, Joachim Becker, Maurits Ortmanns
2013	C	`conf`	Integrator swing reduction in feedback compensated Sigma-Delta modulators. ISCAS Rudolf Ritter, John G. Kauffman, Matthias Lorenz, Maurits Ortmanns
2013	C	`conf`	Low power quantizer design in CT Delta Sigma modulators. ISCAS John G. Kauffman, Rudolf Ritter, Chao Chu, Joachim Becker, Maurits Ortmanns
2012	—	`conf`	A 72dB-DR ΔΣ CT modulator using digitally estimated auxiliary DAC linearization achieving 88fJ/conv in a 25MHz BW. ISSCC Pascal Witte, John G. Kauffman, Joachim Becker, Yiannos Manoli, Maurits Ortmanns
2012	C	`conf`	A power efficient MDAC design with correlated double sampling for a 2-step-flash ADC. ISCAS Rudolf Ritter, John G. Kauffman, Maurits Ortmanns
2012	—	`conf`	A reconfigurable Continuous-Time ΔΣ-ADC using a digitally programmable gm-C array. MWSCAS Daniel Angele, Martin Stein, John G. Kauffman, Maurits Ortmanns, Joachim Becker
2012	C	`conf`	An error estimation technique for lowpass and bandpass ΣΔ ADC feedback DACs using a residual test signal. ISCAS Pascal Witte, John G. Kauffman, Timon Brückner, Joachim Becker, Maurits Ortmanns
2012	—	`conf`	PVT robust design of wideband CT delta sigma modulators including finite GBW compensation. MWSCAS John G. Kauffman, Timon Brückner, Maurits Ortmanns
2011	J	`jnl`	A Correlation-Based Background Error Estimation Technique for Bandpass Delta-Sigma ADC DACs. IEEE Trans. Circuits Syst. II Express Briefs Pascal Witte, John G. Kauffman, Joachim Becker, Maurits Ortmanns
2011	J	`jnl`	An 8.5 mW Continuous-Time ΔΣ Modulator With 25 MHz Bandwidth Using Digital Background DAC Linearization to Achieve 63.5 dB SNDR and 81 dB SFDR. IEEE J. Solid State Circuits John G. Kauffman, Pascal Witte, Joachim Becker, Maurits Ortmanns
2011	—	`conf`	An 8mW 50MS/s CT ΔΣ modulator with 81dB SFDR and digital background DAC linearization. ISSCC John G. Kauffman, Pascal Witte, Joachim Becker, Maurits Ortmanns