Many Options For Winding Baluns (#944)

James, WA7VKZ, has a question "Why are 4:1 baluns wound with bifilar windings forming a auto transformer rather than a two winding transformer?" Watch to learn more about his question and more.

Edited and Videographed by Aidan Jakeman

Twitter: @dcasler

[gfvt]

At 11:45 the output is UNBALANCED, but I am sure you will see that if you replay the video. 73

[donaldsmith]

Do you need to twisted together for it to work. It is a pain to get them twested together evenly. It is easer to just wind them around the core.

[Wayde-VANCA]

If it's a current balun, what is it the rest of the time? /s