Topband: Commond mode choke for Beverage

Filipe Lopes ct1ilt at gmail.com
Mon Oct 12 13:38:59 EDT 2015


Thanks Jim and all for the help.

Mix #31 cores are already ordered in mouser.

73's cu on low bands
Filipe LOPES
CT1ILT CR6K

Sent from my SAMSUNG GALAXY S4
Em 12/10/2015 17:39, "Jim Brown" <jim at audiosystemsgroup.com> escreveu:

> On Mon,10/12/2015 6:51 AM, Filipe Lopes wrote:
>
>> With these ferrites I ask the same question, should I put the choke close
>> to the 9:1 Balun or near the switching box and how many turns? some bevs
>> have the feed point at +- 60m away from the switching box.
>>
>
> Use the #31 material. Wind at least 20 turns of RG58 around it. Place it
> as close to the 9:1 transformer.
>
> 73, Jim K9YC
> _________________
> Topband Reflector Archives - http://www.contesting.com/_topband
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