Low Power Class-AB Line Driver with Adaptive Digital Impedance Control for Fast Ethernet. - Simon Buhr; Martin Kreißig; Christian D. Matthus; Florian Protze; Frank Ellinger (NorCAS, 2020)

Low power analogue equaliser with adaptive digital tuning for fast ethernet. - Simon Buhr; Xin Xu; Martin Kreißig; Christian D. Matthus; Frank Ellinger (IET Circuits Devices Syst., 2020)

High Gain and High Bandwidth Fully Differential Difference Amplifier as Current Sense Amplifier. - Christian D. Matthus; Simon Buhr; Martin Kreißig; Frank Ellinger (IEEE Trans. Instrum. Meas., 2021)

Complementary High-Voltage Compliant High-Current Output Stages for PoDL. - Felix Schwarze; Florian Protze; Christian D. Matthus; Frank Ellinger (PRIME, 2022)

Chopping for over 50 MHz gain-bandwidth product current sense amplifiers achieving input noise level of 8.5 nV/√Hz. - Christian D. Matthus; Frank Ellinger (Int. J. Circuit Theory Appl., 2022)

A High-Precision Sub-10 nV/√Hz Variable Gain Chopper Amplifier for Phase Current Sensing in Adaptive High-Efficiency DC/DC Converters. - Christian D. Matthus; Christian Hoyer; Frank Ellinger (ISCAS, 2025)

Microstrip-Based Anti-Aliasing Filters for Beyond-50 GHz-Bandwidth Mix-Filter-Sample Analog-to-Digital-Converters. - Anton Lorenz; Christian D. Matthus; Frank Ellinger (IEEE Access, 2025)