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Re: Sync RSG and using florescent light as a strobe





Tesla List wrote:
> 
> Original Poster: "Basura, Brian" <brian.basura-at-unistudios-dot-com>
> 
> When using a florescent light as a strobe to check the lockup of a sync RSG
> make sure it is of the inductive ballast type and not the electronic ballast
> type.  The inductive ballast causes the light to flicker in sync with the
> mains frequency (good for our purpose) but the electronic ballast that I've
> checked are from 450-550hz (not good for us). An easy way to determine the
> type you have (without any disassembly) is to swing the light in front of
> you and you'll see the pulses if it's the older style ballast.
> 
> This may explain why some people have good luck using the fluorescent light
> technique and others just can't seem to get it to work.

Another reason is that some phosphors are long enough persistence
that they will glow right through the 60 hz trough.  A clear red
neon tube would work very well (wonder where to get one of those?
:-)  An automotive timing light driven by 60 hz is even better.

John
-- 
John De Armond
johngd-at-bellsouth-dot-net
Neon John's Custom Neon
"Bendin' Glass 'n Passin' Gas"