Kenny,
I used three large torroid cores, 12AWG silver/teflon wire, and 10
turns/14 turns to match 25 ohms to 50 ohms. There is a picture of the
transformer in my Phasing Switch Box at:
https://www.n6ws.com/projects/
To give you some perspective of size, it is in a 8" x 8" box.
73, Bill
N6WS
On 1/17/2022 6:18 AM, Kenny Silverman wrote:
Does anyone have a drawing on how to wind a 1500w 1:2 UNUN? And what type of
core is needed?
This is for my 160m vertical which is about 28 ohms.
Regards , Kenny K2KW
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