MA – Noise immune receiver circuit design

Noise immune receiver circuit design for isolated differential signaling

Voltage and current sensors in power electronics often have floating potential with respect to ground. Therefor isolated interfaces must be used for communication. To enhance the noise immunity, signals are sent on two lines simultaneously, one line is inverted with respect to the other (differential signaling). Noise caused by potential changes affects both lines equally, but does not affect the information which lies in the difference of the two lines. Parasitics and non-idealities limit noise immunity in practice.

In this thesis you will

  • Design receiver circuits to maximize common-mode transient immunity using circuit simulation coupled with optimization tools
  • Select and characterize inductive filters regarding imbalance and insertion loss
  • Verify simulations using electrically-fast-transient test equipment


  • Background in power electronics or RF circuit design
  • Knowledge of circuit simulation tools (SPICE, ADS)
  • Experience in PCB design and test
  • Basic RF knowledge is a benefit

The thesis can be done in English or German.

Betreuer: Martin Angerer

Für Studienfächer: EEI

Frühest möglicher Beginn: Sofort

Verantwortlicher: Prof. Dr.-Ing. Martin März