> Harold outlined the operation of modern electronic ballasts, but as I sai=
d,
> I know for sure there is no heating of the filaments going on in the pres=
ent
> setup.

I once made a converter to drive a fluorescent tube off 12V, using a ringin=
g choke converter. I made the secondary voltage high enough that it would i=
onise the gas in the tube, instead of needing to heat the heaters. This gav=
e it an instant-on effect.

--=20
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--=20
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