A while ago I ordered a few IV-27 tubes from an eBay seller, and today
they turned up. They were well packaged and all seem to have their
vacuum intact, though I haven't tried to test any yet.
They're not quite what I was expecting, though. All the photos and
drawings I've seen online show a tube
That was quick! Thanks a lot.
Mike
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This eBay seller is offering IV-18 tubes with 8 digits:
https://www.ebay.co.uk/itm/NEW-NIXIE-TUBE-IV-18-B-18-INDICATOR-TUBE-FOR-VINTAGE-VFD-NIXIE-CLOCK-2-PIECES/323778077294?hash=item4b62ad626e&_trkparms=ispr%3D1
However, photo 2 clearly doesn't relate to the IV-18. Instead it depicts a
longer t
On Monday, March 5, 2018 at 7:14:56 AM UTC, gregebert wrote:
> The MAXIM device uses BiCMOS technology, so the I/O pins are
> probably NPN devices and should be more tolerant of voltages above
> 76 VDC.
I'd prefer not to allow the voltage to rise that far. 70 volts seems
to be enough to reliably b
On Monday, February 26, 2018 at 2:49:00 PM UTC, John Snow wrote:
>
> What driver chips have you used besides 7441 or 74141 in direct drive mode
> for your Nixie projects?
>
> I've used Max69** chips with VFD projects but have not found a good Nixie
> driver chip yet.
>
I've just hooked up a MAX
