Analysis of Package Impedance Effects on the Linearity of Source Series Terminated DACs. - Helia Ordouei; Hossein Ghafarian; Friedel Gerfers (MWSCAS, 2018)

Impedance Calibration Technique Canceling Process and Temperature Variation in Source Terminated DAC Drivers in 22nm FDSOI. - Hossein Ghafarian; Helia Ordouei; Friedel Gerfers (MWSCAS, 2019)

In-Vehicle Network Standards - Overview and Implementation Examples. - Helia Ordouei; Friedel Gerfers; Silvio Waldmann (ISCAS, 2022)

A novel OFDM-based Radar and Communication System Design using Digital IQ-Modulation and 52 GS/s Direct-RF Data Converter. - Silvio Waldmann; Helia Ordouei; Friedel Gerfers (ISCAS, 2022)

True Voltage-Mode NRZ VCSEL Transmitter enabling 60 Gbit/s at 0.37 pJ/bit in 22 nm FDSOI. - Urs Hecht; Helia Ordouei; Nikolay Ledentsov Jr.; Philipp Scholz; Patrick Kurth; Nikolay N. Ledentsov; Friedel Gerfers (ESSCIRC, 2023)

A Charge Pump for Sub-Sampling Phase-Locked Loops with Virtual Reference Frequency Doubling. - Patrick Kurth; Urs Hecht; Frowin Buballa; Sebastian Linnhoff; Helia Ordouei; Friedel Gerfers (ISCAS, 2023)

A Digital Pre-Distortion Technique Canceling Code-and Voltage-Dependent Output Impedance Errors in Current-Steering DACs. - Helia Ordouei; Clirim Alija; Patrick Kurth; Friedel Gerfers (ISCAS, 2023)

A 0.4 pJ/bit NRZ Voltage Mode VCSEL Driver for up to 224 Gbit/s SWDM Links. - Urs Hecht; Helia Ordouei; Nikolay Ledentsov Jr.; Philipp Scholz; Patrick Kurth; Ilya E. Titkov; Nikolay N. Ledentsov; Friedel Gerfers (OFC, 2023)

A DAC-based Transmitter with VCSEL Bias-Current Generation enabling 180 Gbit/s PAM-8 Electrical and 100 Gbit/s PAM-4 VCSEL-based Transmission in 22nm SOI. - Urs Hecht; Philipp Scholz; Patrick Kurth; Frowin Buballa; Helia Ordouei; Friedel Gerfers (CICC, 2025)