Total posts : 45366
My first set-up used one, and it worked great. They are a little hard to find these days and need to be ordered on-line or by mail, so in general it’s easier to grab a scrap piece of PVC and start winding.
Strangely enough, the Rangemaster uses an internal matching toroid and is FCC certifed, so you just might be more wise than you give yourself credit for 🙂
My old set-up, including a photo of the toroid, is here:
http://www.geocities.com/scwis/scwis.html Warning – Geocities site with pop-ups galore.
Here’s the inductor itself:
 | Inductive Coupler |
Experimental broadcasting for a better tomorrow!
