A six-port receiver's analog front-end of reduced size based on a multi-layer layout Kölpin, Alexander Winter, Sebastian M. Weigel, Robert 2007 - TUHH Open Research
Diode power detector DC operating point in six-port communications receivers Winter, Sebastian M. Ehm, Henning J. Kölpin, Alexander Weigel, Robert 2007 - TUHH Open Research
Analysis of system parameters of a six-port communications receiver with analog I/Q regeneration Winter, Sebastian M. Ehm, Henning J. Kölpin, Alexander Weigel, Robert 2007 - TUHH Open Research