Did some testing now, I pulled wires off until the problem went away. I only need two wires connected to reproduce the issue!
See this: https://www.dropbox.com/s/5vk6bq617v2cz9u/Nixie11.JPG?dl=0 https://www.dropbox.com/s/u84kzterr8jfvhm/Nixie12.JPG?dl=0 <https://www.dropbox.com/s/u84kzterr8jfvhm/Nixie12.JPG?dl=0> Cathodes for 2 and 6 is connected, and it works with both 2 and 6 illuminated in the “master” tube. Very strange :O My high voltage bench supply is switchmode-based and there is a small amount of noise on the output (approx 11mV, so that’s not the issue) I did these last two tests with a 100uF/250V cap over the supply too. I will have a look at trying some Biasing resistors like Martin mentioned! // Per. > On 07 Jun 2015, at 22:37, David Forbes <[email protected]> wrote: > > Per, > > Very interesting result. > > Does this experiment produce the same result with fewer wires connecting the > tubes? I so, what number of wires is needed to produce this result? > > Is there any AC component to your HV power? > > Does this experiment produce similar results with a different type of tubes? > > Connecting resistors to the unused cathodes to set their quiescent voltage > level, may change the results. > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/01C12A01-8EEB-4C03-A691-8DA2AE0FDC80%40gmail.com. For more options, visit https://groups.google.com/d/optout.
