>From: "Tom Uban" <uban_at_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
Received on Tue May 20 2003 - 16:39:01 BST
