Why not just use your #73 core with 2 x 6 turns. It's close enough to 800 for
receive.
Jim - KR9U
-----Original Message-----
From: Topband [mailto:topband-bounces@contesting.com] On Behalf Of Richard
(Rick) Karlquist
Sent: Tuesday, March 19, 2019 3:27 PM
To: Chuck Dietz
Cc: TopBand List; Herbert Schoenbohm
Subject: Re: Topband: 10 to 1 Ferrite Balun
On 3/19/2019 12:13 PM, Chuck Dietz wrote:
> Wouldn’t you connect the secondarys in series and the primaries in parallel?
>
> Chuck W5PR
>
The ADT8-1T+ is a 50 ohm to 400 ohm transformer.
Two connected in series results in a 100 ohm to 800 ohm transformer.
If you instead connect the primaries in parallel, you would in
in principle have a 25 ohm to 800 ohm transformer. That isn't
what Herb needs.
73
Rick N6RK
_________________
Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
_________________
Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
|