On Nov 7, 2005, at 3:17 PM, David Kirkby wrote:
> R. Measures wrote:
>
>> Push-pull or parallel 4cx1000As?
>
> as in the weasel, - push pull with a U-shaped anode line.
My suspicion is that 2-tubes in push-pull is more problematic than 2 in
parallel.
>
>> ---- What is the resistance of the grid swamper?
>
> I can't recall if there was one at all. I had no desire to waste power.
Grid termination is important because it provides low SWR to the
exciter and it influences stability-- especially in cases such as this
where there is zero grid-current.
>
>
> --
> David Kirkby,
> G8WRB
>
> Please check out http://www.g8wrb.org/
> of if you live in Essex http://www.southminster-branch-line.org.uk/
>
>
>
>
Richard L. Measures, AG6K, 805.386.3734. www.somis.org
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