Thanks for sharing! Does it have built-in current limiting? 400mA is
quite deadly at these voltages...
Jens
On 2020-04-21 1:00 p.m., Paolo Cravero wrote:
Hello.
I got the idea on this group and now it is time to revamp it.
Electrophoresis power supplies generate DC well above Nixie needs with
a current rating I would not dare to design myself.
While they are usually listed on the popular auction site, you never
get a low starting price like this (UK seller):
https://www.ebay.it/itm/Bio-Rad-PowerPac-Basic-Adjustable-Laboratory-Power-Supply-150VA/402239857773?hash=item5da75d246d:g:n3MAAOSwHc9eXuqc
(Not my auction, etc etc)
I recently bought the previous release and it is up to its promises
with these quirks:
1. It has a fan, so it is not silent.
2. It requires you draw at least 4 mA regardless the voltage set.
3. The output is a bit noisy (see the picture, 170V to 22kohm load),
not an issue for a Nixie.
4. V/I setting is in 1V/1mA steps.
I suggest to download and read the manual before purchase. The newer
unit from the link still has a fan and minimum current.
If I connected all my Nixies I would still not hit the 400 mA limit.
Paolo
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