[TowerTalk] Baluns/tutorial/notes.

[Dan Zimmerman N3OX]

On Sat, May 22, 2010 at 11:45 AM, Jim Brown <jim at audiosystemsgroup.com>wrote:

> >These line isolator's appear to be just a bead balun..but with coax
> >connector's on both ends.
>
> I haven't opened any of them up, but probably yes. Some may be wound chokes
> too.
> I'm sure that W8JI has figured that out.
>

I've seen a picture of  the interior of one of the DX Engineering line
isolators, I guess in QST, and it was three chokes in series, each of which
was a multi-turn binocular-style (not truly binocular cores, but two big
beads side by side).

73
Dan