Used material: Amidon FT240-43 cores.
LEFT = 2 conductors RIGHT = 4 conductors
Left: transmission line with an impedance of 100 ohms.
Right: 2 transmission lines with an impedance of 100 ohms in parallel = 50 Ohms impedance.
Schematic:
Insertion loss / Return loss:
Return loss (SWR) 2 wires: Return loss (SWR) 4 wires:
Insertion loss 2 wires: Insertion loss 4 wires:
Common mode rejection:
