20 May
2003
20 May
'03
4:39 p.m.
From: "Tom Uban"
<uban(a)ubanproductions.com>
Hello,
Probably my best find at the recent Hamvention in Dayton OH was a
stack of nixie tube modules made by HP. In retrospect, I wish that
I had purchased the whole box of them, but I hopefully have enough
to at least make a clock.
I have two variations on the modules, the part numbers are:
HP 05212-6016 series 648
HP 05212-6003 series 415
They both use Borroughs B422 nixie tubes and look like they may have
an integrated HV supply of some sort.
Hi
I don't see anything that I'd call a power supply. The
transistors look like they might be flops/latches or buffers to
drive the nixies. If you don't find some schematics, you
could hand draw some. I doubt that it would be too hard to
follow.
Dwight
Here are a couple of pics for reference:
http://www.ubanproductions.com/Images/nixie1.jpg
http://www.ubanproductions.com/Images/nixie2.jpg
I would appreciate if anyone can tell me what HP (or other) instruments
may have used these modules. I would also like to find a schematic of
the module if possible.
Thanks!
--tom
