Dieter,
Another idea is to use a decimal point, if the tube has one, as a
secondary anode for a very high voltage trigger pulse. This would work
similar to the xenon flash tubes in cameras.
On 6/9/14 8:56 AM, Dieter Waechter wrote:
You all surely know the problem, that if a standard Nixie tube is off for a
longer time, say 1 hour, and switched on at night, it takes some time (0.1 ...
3 seconds) until the glowing comes up.
Does anyone know a method to speed up the ignition in this condition?
I have found out that:
- higher voltage does not make a change
- higher target current does not make a change
- slew rate of the switch (means a sharp pulse) does not make a change
It looks like nothing helps to make it glow immediately.
All the best
Dieter
----- Original Message -----
From: John Rehwinkel
To: neonixie-l@googlegroups.com
Sent: Monday, June 09, 2014 5:37 PM
Subject: Re: [neonixie-l] Question on Z5660M Tubes- What kind of gas and age
survival?
I don't think there would be any need to add helium, hydrogen, or even
krypton-85 to *indicator* tubes.
Helium and hydrogen no, but some 5092s had Kr85 for rapid ionization for
multiplexed use. Discussion on this list from 2010:
https://groups.google.com/forum/#!topic/neonixie-l/cKkyRyaGOGI
- John
--
David Forbes, Tucson AZ
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