Hi David,
If you follow this link to the archives you'll find a lot of info on the
topic in general:
http://lists.contesting.com/archives//cgi-bin/namazu.cgi?query=toroid+tank+coil&idxname=Amps
And this one in particular:
http://lists.contesting.com/archives//html/Amps/2003-03/msg00040.html
Though, the short answer is that at the impedance levels typically employed
with a 4-1000A, toroids are impractical approach.
73 & Good afternoon,
Marv WC6W
http://wc6w.50webs.com/
--- On Sat, 9/6/08, david feldman <wb0gaz@hotmail.com> wrote:
> From: david feldman <wb0gaz@hotmail.com>
> Subject: [Amps] Use of toroids in tank circuit of tube amp?
> To: amps@contesting.com
> Date: Saturday, September 6, 2008, 12:41 PM
> I'm looking for information on applying toroidal
> inductors in the plate tank circuit of a (large, 4-1000
> based) tube HF amp. Are there special considerations in
> estimating core size and material type to avoid saturation,
> or other electrical considerations?
>
> Very tks...
>
> 73 Dave WB0GAZ wb0gaz@hotmail.com
>
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