If I can find those T225-2's I bought from you I'll build and test one
that way. Good idea.
I need to order some of that tubing, though. Amidon?
73,
Jim, N7CXI
On 6/19/2012 6:54 AM, Carl wrote:
> Id question the 3 toroids especially if generating serious power on 160.
>
> A pair of T200-2A's or even T225-2A's would run cooler.
>
> High temp magnet wire thru Teflon tubing dramatically improves the breakdown
> safety factor.
>
> Carl
> KM1H
>
>
> ----- Original Message -----
> From: "Paul Christensen" <w9ac@arrl.net>
> To: <amps@contesting.com>
> Sent: Tuesday, June 19, 2012 9:15 AM
> Subject: Re: [Amps] Alpha PA77 vs 77Dx plate choke?
>
>
>>> "The toroid is (3) T200-2 iron-powder cores glued together, wrapped with
>>> glass tape..."
>>
>> ETO used 3M #27 glass tape. Still widely available.
>>
>> http://tinyurl.com/ceu967w
>>
>> Paul, W9AC
>>
>>
>>
>>
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>
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