[Milsurplus] RE: [ARC5] serious tube

[scottjohnson1 at cox.net]

I think that the audiphile crowd would go ape over dovetail waveform testing, this has GOT to be an advance over square wave testing!

Scott
---- mikea <mikea at mikea.ath.cx> wrote: 
> On Tue, Oct 31, 2006 at 02:24:36PM +0000, D C *Mac* Macdonald wrote:
> > It's all based upon the theory of negative resistance.
> > When you design negative resistors into a special
> > circuit, you can develop a negative frequency
> > oscillator.  The output of this is fed to a transformer
> > with a third (tertiary) winding.  A transformer so
> > constructed is known as a step-aside transformer as
> > opposed to the normal step-up or step-down version.
> > This ouptut drives a a cathode-coupled current
> > crippler, which is the heart of the infra-red
> > destruction generator.
> 
> And that's how KL7F got his (in)famous dovetail-wave generator to 
> work. 
> 
> Here's the output waveform: 
> 
> ---    ---------    --------    --------    --------    --------   
>   /    \       /    \      /    \      /    \      /    \      / 
>  /      \     /      \    /      \    /      \    /      \    / 
>  --------     --------    --------    --------    --------   
> 
> -- 
> Mike Andrews, W5EGO
> mikea at mikea.ath.cx
> Tired old sysadmin 
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