Mixed Signal Circuit Design

Helia Ordouei, MSc.




Helia Ordouei

Wiss. Mitarbeiter_in


+49 30 314-78189

Einrichtung Mixed Signal Circuit Design
Sekretariat EN4
Gebäude E-N
Raum E-N 438

Research Assistant

Research Interests

  • RF/mmW:   
    • D-band Transmitter Design
    • RF Power Amplifiers
  • Mixed-Signals:  
    • High Speed/High Linearity Digital to Analog Converters
  • Optical:
    • Vertical Cavity LASER Diode Drivers



Hecht, U.; Ordouei, H.; Ledentsov, N.; Scholz, P.; Kurth, P.; Titkov, I.E.; Ledentsov, N.N.; Gerfers, F.
A 0.4 pJ/bit NRZ Voltage Mode VCSEL Driver for up to 224 Gbit/s SWDM Links
Optical Fiber Communication Conference (OFC) 2023
Herausgeber: Optical Society of America (OSA)
Hecht, U.; Ledentsov Jr., N.; Ordouei, H.; Kurth, P.; Scholz, P.; Ledentsov, N.; Gerfers, F.
Digital Non-Linear Transmitter Equalization for PAM-N-Based VCSEL Links Enabling Robust Data Transmission of 100 Gbit/s and Beyond
Photonics, 10 (3) :280
Hecht, U.; Ordouei, H.; Ledentsov Jr., N.; Scholz, P.; Kurth, P.; Ledentsov, N.; Gerfers, F.
True Voltage-Mode NRZ VCSEL Transmitter enabling 60 Gbit/s at 0.37 pJ/bit in 22 nm FDSOI
IEEE 49th European Solid State Circuits Conference (ESSCIRC)
Herausgeber: IEEE


Ordouei, H.; Waldmann, S.; Gerfers, F.
In-Vehicle Network Standards - Overview and Implementation Examples
IEEE International Symposium on Circuits and Systems (ISCAS)
Herausgeber: IEEE


Ghafarian, H.; Ordouei, H.; Gerfers, F.
Impedance Calibration Technique Canceling Process and Temperature Variation in Source Terminated DAC Drivers in 22nm FDSOI
62nd International Midwest Symposium on Circuits and Systems (MWSCAS)
Herausgeber: IEEE


Ordouei, H.; Ghafarian, H.; Gerfers, F.
Analysis of Package Impedance Effects on the Linearity of Source Series Terminated DACs
IEEE Int. Midwest Symp. on Circuits and Systems (MWSCAS)
Herausgeber: IEEE