On Nov 27, 5:22 am, bryan wrote:
> Thanks for giving me details about numitron tubes and nixie tubes work.
You might also want to look at VFD's. These require a low filament
voltage (usually 1.2V to 5V) and a slightly higher voltage to activate
the segments - something like 20V to 35V. These tube
I am interested. I'll send the money for 4 tubes and shipping in USA this
Friday and as soon as you receive the payment from me, you can ship them.
Do you have PayPal?
Thanks!
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Bryan Goines
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On Tuesday, November 27, 2012 at 5:35 PM,
$1.25 per tube, any quantity. Shipping is a USPS padded flat rate envelope.
$5.30 inside US, $12.95 to Canada or Mexico, and $16.95 to any other country.
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> Is the Mosfet running at this temp barbecue it is dissipating power, or is
> just in a hot place to begin with?
Reminds me of a license plate I saw a while back reading PNP BBQ:
http://www.vitriol.com/images/humour/PNPBBQ.jpg
- John
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BARBEQUE?? That came out of my fingers as "Because"...
On Tuesday, 27 November 2012 19:30:50 UTC, MrNixie (UK) wrote:
>
>
> Hmm, I think you need to give us a bit more info - your proposed circuit,
> supply voltage, etc. The mosfet and inductor won't complain much at 100C,
> but your LEDs might
Hmm, I think you need to give us a bit more info - your proposed circuit,
supply voltage, etc. The mosfet and inductor won't complain much at 100C,
but your LEDs might start to! And any electrolytic caps wont be winning any
Long Service awards at those temperatures... Is the Mosfet running at t
> The problem I am having, is the heat loss from the Mosfet and inductor -
> Packing this inside the bulb renders these parts at 100 degrees C, which i
> don't think they will last very long being that temperature...
I can think of basic way to make the inductor run cooler - use a higher current
Interesting offer -- now the dilemma -- do I open the box and test the
tube, or leave it in the box untested, where it is perhaps worth more
to a collector?
I'm really interested in building a scope clock with the tube. Trying
to find a kit I like is the problem.
Any recommendations?
Terry
On N
Nick,
Thanks for giving me details about numitron tubes and nixie tubes work.
Bryan
On Tuesday, November 27, 2012 12:28:32 AM UTC-6, Nick wrote:
>
>
> On Monday, 26 November 2012 19:59:12 UTC, bryan wrote:
>>
>> Just curious to see if anyone from this group knows if there are any low
>> powe
