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ORCIDJohn G. Kauffman
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2020 – today
- 2024
[c32]Ahmed Abdelaal, Michael Pietzko
, Jonathan Ungethüm, John G. Kauffman, Maurits Ortmanns:
Using Negative-R Assisted Integrators in Wide-band Delta-Sigma Modulators. ISCAS 2024: 1-5- [c31]Omar Ismail, Paul Kaesser, John G. Kauffman, Maurits Ortmanns:
DAC Element Mismatch Shaping Algorithms in Incremental Delta-Sigma ADCs. ISCAS 2024: 1-5 - [c30]Michael Pietzko, Jonathan Ungethüm, Ahmed Abdelaal, John G. Kauffman, Maurits Ortmanns:
A 600MS/s 10-bit SAR ADC with unit via-based delta-length C-DAC in 22nm FDSOI. ISCAS 2024: 1-5 - [c29]Joschua Conrad, John G. Kauffman, Simon Wilhelmstätter, Rohan Asthana, Vasileios Belagiannis, Maurits Ortmanns:
Confidence Estimation and Boosting for Dynamic-Comparator Transient-Noise Analysis. NewCAS 2024: 1-5 - [c28]Omar Ismail, Paul Kaesser, John G. Kauffman, Maurits Ortmanns:
Non-Ideal Reset in Incremental Delta-Sigma ADCs. NewCAS 2024: 118-122 - [c27]Matteo Dalla Longa, Francesco Conzatti, Omar Ismail, John G. Kauffman, Maurits 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. VLSI Technology and Circuits 2024: 1-2 - 2023
- [j8]Michael Pietzko, Jonathan Ungethüm, John G. Kauffman, Maurits Ortmanns:
Delay Error Shaping in ΔΣ Modulators Using Time-Interleaved High Resolution Quantizers. IEEE Trans. Circuits Syst. I Regul. Pap. 70(7): 2700-2710 (2023) - [j7]Matteo Dalla Longa, Francesco Conzatti, Tobias Hofmann, John G. Kauffman, Maurits Ortmanns:
An Intrinsically Linear 13-Level Capacitive DAC for Delta Sigma Modulators. IEEE Trans. Circuits Syst. II Express Briefs 70(4): 1291-1295 (2023) - [c26]Jonathan Ungethüm, Michael Pietzko, Ahmed Abdelaal, John G. Kauffman, Maurits Ortmanns:
A Chopped 6-bit 1.6 GS/s SAR ADC Utilizing Slow Decision Information in 22 nm FDSOI. ESSCIRC 2023: 141-144 - [c25]Mohamed A. Mokhtar, Omar Ismail, Patrick Vogelmann, John G. Kauffman, Maurits Ortmanns:
A 40 kS/sCalibration-Free Incremental △Σ ADC Achieving 104 dB DR and 105.7 dB SFDR. ESSCIRC 2023: 401-404 - [c24]Michael Pietzko, Julian Spiess, Jonathan Ungethüm, John G. Kauffman, Qiang Li, Maurits Ortmanns:
Bitwise ELD Compensation under Integrator Nonidealities in ΔΣ Modulators. NEWCAS 2023: 1-5 - 2022
- [j6]Mohamed A. Mokhtar, Ahmed Abdelaal, Markus Sporer, Joachim Becker, John G. Kauffman, Maurits Ortmanns:
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 57(11): 3407-3417 (2022) - [j5]Markus Sporer, Stefan Reich, John G. Kauffman, Maurits Ortmanns:
A Direct Digitizing Chopped Neural Recorder Using a Body-Induced Offset Based DC Servo Loop. IEEE Trans. Biomed. Circuits Syst. 16(3): 409-418 (2022) - [c23]Bjoern Driemeyer, Julian Spiess, John G. Kauffman, Maurits Ortmanns:
Complexity Reduced LUT-Based DAC Correction in Continuous-Time Delta-Sigma Modulators. ISCAS 2022: 16-20 - [c22]Jonathan Ungethüm, Michael Pietzko, John G. Kauffman, Qiang Li, Maurits Ortmanns:
Maximizing the Inter-Stage Gain in CT 0-X MASH Delta-Sigma-Modulators. ISCAS 2022: 561-565 - [c21]Michael Pietzko, Jonathan Ungethüm, John G. Kauffman, Qiang Li, Maurits Ortmanns:
Bitwise ELD Compensation in Δ∑ Modulators. ISCAS 2022: 566-570 - 2021
- [c20]Mohamed A. Mokhtar, Ahmed Abdelaal, Markus Sporer, Joachim Becker, John G. Kauffman, Maurits Ortmanns:
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 2021: 1-2 - [c19]Mohamed A. Mokhtar, Martin Merkle, John G. Kauffman, Maurits Ortmanns:
A Comparative Study of Noise Behavior in Single-Opamp Resonators in Delta-Sigma Modulators. ICECS 2021: 1-4 - [c18]Jonathan Ungethüm, John G. Kauffman, Maurits Ortmanns:
Digital Resolution Requirements in 0-X MASH Delta-Sigma-Modulators. ICECS 2021: 1-4 - [c17]Ahmed Abdelaal, Michael Pietzko, Mohamed A. Mokhtar, John G. Kauffman, Maurits Ortmanns:
FIR Filter with Symmetric Non-Equal Coefficients for CT Delta-Sigma Modulators. ISCAS 2021: 1-5 - [c16]Michael Pietzko, Johannes Wagner, Ahmed Abdelaal, John G. Kauffman, Maurits Ortmanns:
Influence of Excess Loop Delay on the STF of Continuous-Time Delta-Sigma Modulators. ISCAS 2021: 1-5 - [c15]Jonathan Ungethüm, John G. Kauffman, Maurits Ortmanns:
Minimizing Signal-Dependent Residue in CT Pipelined ADCs. MWSCAS 2021: 567-570 - 2020
- [c14]Ahmed Abdelaal, John G. Kauffman, Mohamed A. Mokhtar, Maurits Ortmanns:
A Comparative Study of ISI Errors in Different DAC Structures for CT Delta-Sigma Modulators. ISCAS 2020: 1-5 - [c13]Mohamed A. Mokhtar, Patrick Vogelmann, Ahmed Abdelaal, John G. Kauffman, Maurits Ortmanns:
FIR DACs in CT Incremental Delta-Sigma Modulators. ISCAS 2020: 1-5
2010 – 2019
- 2018
- [c12]Jens Sauerbrey, Jacinto San Pablo Garcia, Udo Schutz, Hasham Khushk, John G. Kauffman:
A Multi-mode GSM to LTE100 ADC. ESSCIRC 2018: 246-249 - 2016
- [j4]Rudolf Ritter, John G. Kauffman, Joachim Becker, Maurits Ortmanns:
A 10 MHz Bandwidth, 70 dB SNDR Continuous Time Delta-Sigma Modulator With Digitally Improved Reconfigurable Blocker Rejection. IEEE J. Solid State Circuits 51(3): 660-670 (2016) - 2014
- [j3]John G. Kauffman, Pascal Witte, Matthias Lehmann, Joachim Becker, Yiannos Manoli, Maurits Ortmanns:
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 49(2): 392-404 (2014) - [c11]Chao Chu, John G. Kauffman, Jens Anders, Joachim Becker, Maurits Ortmanns, Michael Epp, Sebastien Chartier:
A 1.92-GS/s CT ΔΣ modulator with 70-db DR and 78-db SFDR in 15-MHz bandwidth. NEWCAS 2014: 480-483 - 2013
- [c10]John G. Kauffman, Rudolf Ritter, Chao Chu, Maurits Ortmanns:
A DAC cell with improved ISI and noise performance using native switching for multi-bit CT Delta Sigma modulators. ISCAS 2013: 574-577 - [c9]Chao Chu, Timon Brückner, John G. Kauffman, Jens Anders, Joachim Becker, Maurits Ortmanns:
Analysis and design of high speed/high linearity continuous time delta-sigma modulator. ISCAS 2013: 1268-1271 - [c8]John G. Kauffman, Rudolf Ritter, Chao Chu, Joachim Becker, Maurits Ortmanns:
Low power quantizer design in CT Delta Sigma modulators. ISCAS 2013: 1990-1993 - [c7]Rudolf Ritter, John G. Kauffman, Matthias Lorenz, Maurits Ortmanns:
Integrator swing reduction in feedback compensated Sigma-Delta modulators. ISCAS 2013: 2026-2029 - 2012
- [c6]Pascal Witte, John G. Kauffman, Timon Brückner, Joachim Becker, Maurits Ortmanns:
An error estimation technique for lowpass and bandpass ΣΔ ADC feedback DACs using a residual test signal. ISCAS 2012: 73-76 - [c5]Rudolf Ritter, John G. Kauffman, Maurits Ortmanns:
A power efficient MDAC design with correlated double sampling for a 2-step-flash ADC. ISCAS 2012: 3138-3141 - [c4]Pascal Witte, John G. Kauffman, Joachim Becker, Yiannos Manoli, Maurits Ortmanns:
A 72dB-DR ΔΣ CT modulator using digitally estimated auxiliary DAC linearization achieving 88fJ/conv in a 25MHz BW. ISSCC 2012: 154-156 - [c3]John G. Kauffman, Timon Brückner, Maurits Ortmanns:
PVT robust design of wideband CT delta sigma modulators including finite GBW compensation. MWSCAS 2012: 382-385 - [c2]Daniel Angele, Martin Stein, John G. Kauffman, Maurits Ortmanns, Joachim Becker:
A reconfigurable Continuous-Time ΔΣ-ADC using a digitally programmable gm-C array. MWSCAS 2012: 810-813 - 2011
- [j2]John G. Kauffman, Pascal Witte, Joachim Becker, Maurits Ortmanns:
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 46(12): 2869-2881 (2011) - [j1]Pascal Witte, John G. Kauffman, Joachim Becker, Maurits Ortmanns:
A Correlation-Based Background Error Estimation Technique for Bandpass Delta-Sigma ADC DACs. IEEE Trans. Circuits Syst. II Express Briefs 58-II(11): 748-752 (2011) - [c1]John G. Kauffman, Pascal Witte, Joachim Becker, Maurits Ortmanns:
An 8mW 50MS/s CT ΔΣ modulator with 81dB SFDR and digital background DAC linearization. ISSCC 2011: 472-474
Coauthor Index
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