- Original Message -
From: "Jim Brown"
To:
Sent: Wednesday, August 31, 2011 10:34 AM
Subject: Re: Topband: Fabricated common mode chokes - Sourcing
> On 8/30/2011 10:30 AM, ZR wrote:
>> Did you open up a Cushcraft balun to discover that method? I believe some
>> other companies do sim
> As to charring -- that's an issue if the device in question is seeing a
> lot of dissipation. Properly designed and applied, chokes should NOT
> see a lot of dissipation unless they are being used in series/parallel
> combinations to do impedance transformation.
>
> 73, Jim Brown K9YC
OR, if th
On 8/30/2011 10:30 AM, ZR wrote:
> Did you open up a Cushcraft balun to discover that method? I believe some
> other companies do similar and Teflon wire is used so it doesnt char as does
> THNN.
"These methods" are well documented in the literature, especially Jerry
Sevick's work (W2FMI). In one
Paul N1BUG said : Mouser has the Fair-Rite 2.4" #31 core for $7 each. That is
the lowest price I have found for small quantities.
--
Last week I purchased the 2.4" O.D. 31 mix cores (Fair-Rite part number
2631803802) from Arrow Electronics, and the single quantity p
