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:[email protected]] 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
