Rewind the original if you want, the winding procedure isnt critical.
You can go to the Fairite or Amidon web sites and select a core from their
charts. A FT-50-43 (Amidon #) would be a good place to start.
Carl
KM1H
----- Original Message -----
From: "Mike Short" <mike.short@mchsi.com>
To: "Amps@Contesting. Com" <amps@contesting.com>
Sent: Monday, April 21, 2008 9:46 AM
Subject: [Amps] SB-200 RFC2 28uH choke
> While rebuilding my SB-200, I discovered the wire going to the inside of
> the
> RFC2 choke is broken off near the windings. It is in the grid circuit. Can
> I
> replace it with a toroid choke, and if so what mix core would I want to
> use?
> I have the AADE LC meter, so getting the right value of inductance will
> not
> be a problem. Or do you have any ideas on repair? I have some magnet wire,
> and could use that. The choke has about 88 turns on it.
>
> Mike
>
>
> AI4NS
>
>
> No virus found in this outgoing message.
> Checked by AVG.
> Version: 7.5.524 / Virus Database: 269.23.2/1387 - Release Date: 4/19/2008
> 11:31 AM
>
> _______________________________________________
> Amps mailing list
> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
|