Ahmed Abdelaal

16 papers C 9Journal 3Unranked 4
YearRankTypeTitle / 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 — 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 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
PSumSim: A Simulator for Partial-Sum Quantization in Analog Matrix-Vector Multipliers.
ISCAS
Joschua Conrad, Simon Wilhelmstätter, Holger Mandry, Paul Kässer, Ahmed Abdelaal, Rohan Asthana, Vasileios Belagiannis, 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 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 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 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
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
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 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
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
2019 C conf
Effective Filtering of Requantization Error in Dual Quantized CTDSM using FIR DAC.
ISCAS
Ankesh Jain, Ahmed Abdelaal, Maurits Ortmanns