Current Balun 1:1 Broadband-Balun 1:1  Balun 1:4  Balun 1:1 + 1:4 MTFT-Un-Un

Broadband-Balun  1:1 for open-wire-feeding

with undefined impedance for a wide range

16 bifilar turns on FT240-43 for high power up to 700 Watts

For  unsymmetrical ATUs to symmetrical open wire feeding

For max. 200 Watts with FT140-43

Here an example with an automatic ATU

LDG AT-100 Pro ll for a Wireman line