Topband: Two 2:1 transformers to choose from!!

Mike Waters mikewate at gmail.com
Sat Aug 24 18:00:11 EDT 2013


All those turns are better for what? For the winding that's connected to
the coax (either 50 or 75 ohms), two turns is plenty.

And good luck stuffing all that wire inside the holes in those binocular
cores, especially if you use the recommended protective insulating liner.
:-)

73, Mike
www.w0btu.com

On Sat, Aug 24, 2013 at 4:27 PM, Jim GM <jim.gmforum at gmail.com> wrote:

> So the general concessions is that 7:5 turns was better.  Do is 15:7 turns
> or 21:10 turns better? Whats best for 160M ?
>


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