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[AMPS] Shorted Pi-Networks Turns revisited

To: <amps@contesting.com>
Subject: [AMPS] Shorted Pi-Networks Turns revisited
From: 2@vc.net (measures)
Date: Wed, 13 Sep 2000 09:11:08 -0700
>
>The eventual arcing troubles you mention with switches that do not 
>progressively short unused coil portions are caused by unwanted 
>resonances, similarly to what happens with some plate chokes at 
>critical frequencies.
>Resonances of unused portions of Pi coils depends by peculiar factors 
>like the coil parasitic capacitance to metal walls, capacitance between 
>windings and other specific occurrences.
>The same consideration is obviously valid also for Pi-L networks.
>Step up ratio has therefore little to do with this kind of arcing and a 
>Pi-L compared to Pi as no disadvantages/advantages in the specific 
>matter.
>
excellent point, Mauri

end

-  Rich..., 805.386.3734, www.vcnet.com/measures.  
end


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