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Re: NEON- red turn blue...2 color tubes
>
>Dear Matt,
>
>building the transformer yourself is VERY complicated. Mainly the adjustment;
>without proer high frequency, high voltage test equipment absolutely
>impossible.
>
>But you can but such a transformer for abt. $800,-- (don't want to shock you,
>but it's true).
>
>This unit will light only two 5 foot tubes (!).
>This out of the US limitation on 15kV - the surge peak voltage you need to
>fire only the red has to be so high for the selective purpose.
>
>BTW: This unit is very noisy, too.
>
>It is difficult to adjust the amount of mercury and backfill with the right
>pressure of neon, which has to be done VERY accurate to assure the correct
>partial pressure ratio.
>
>Have no lifetime experience on the tubes / xfrmrs.
>
>So for standaard signwork it is always better to use two tubes with
>a standard animator.
>
>Marcus
>
>
>>
>> List,
>> I know this was disccussed previously, because i have looked it up on the
>> archives, but I could not make anything from the letters, because of missing
>> info.
>> Is there a way that i can make a red blue transformer, and what is the ratio
>> of the tube , pumping presure, how much merc... ?
>> Does it not deal with the frequency of the tranformers out put, and if so
>> can I control this via a 555 or some other device?
>>
>> Thanks
>>
>> Matt
>> Dilling@erols.Com
>>
>>
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