It's the increased current to the cathodes that drives off the impurities.
Needs to be done outside of your clock with a power supply. I use 8-10mA on a
single cathode. The higher voltage is not what "rejuvenates" the tubes...
Jeff
-------- Original message --------
From: Trumpeter <[email protected]>
Date: 2/26/17 10:52 PM (GMT-06:00)
To: neonixie-l <[email protected]>
Subject: [neonixie-l] Running my spectrum IN18 at 175 volts
Hello all,
I decided to see what effect turning the voltage from 170 to 175 would have on
my fadding digits. I do not have a current rating and have not taken a
measurement (partly because I have not had time to break out the soldering iron
the last week or so). My hope is this may reverse the cathode poisioning. I
observed no change so far. Thoughts? Good/bad idea?
I have a heathkit IP17 on the way and even have a recap kit for it ready. I'll
use that to try a more direct approach if this higher voltage idea turns out to
be uninspired.
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