>
>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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