Ron D. wrote:

Honestly, we havent; the foggiest of what you want to do.


** The dopey OP has one of these:

https://elektrotanya.com/PREVIEWS/38..._sch.pdf_1.png

The output Z is anyone's guess.

He only wants to use it for old, tube AM radios.

IMO use no cable at all, just let it radiate via a length of wire.



..... Phil