Guanella 2/1 current balun
Updated: Jan 10
Picture:
Upper core = FT240-43
1:1 curent balun
Lower core = FT240-43
1:4 Guanella current balun
Wires are wound in a different way!
Take a look at te picture!
Schematic:
U out = 1.5 X U in ==> Impedance Out = 1.5 X 1.5 = 2.25 X impedance in.
@ 50 Ohms in, Out = 112,5 Ohms.
Measuring results:
Return Loss:
SWR:
Tabel: Smith:
