Here's another approach, not really a viable retrofit to a nixie unless an extra electrode fixed to the glass might work ?
https://youtu.be/y2_dTEXptZQ?t=227 On Tue, Dec 5, 2023 at 9:12 PM Jeff Walton <[email protected]> wrote: > > Here is a closeup of the tube with a UV light source assisting... 395nM > LEDs. Waiting for samples to test 365nM. > > Jeff > On Wednesday, November 29, 2023 at 8:43:48 PM UTC-6 Jeff Walton wrote: > >> I've recently come across a situation where I have some tubes in a clock >> that are being directly driven and are having trouble starting when the >> room is darkened but light right up when a room light is turned on. These >> particular tubes were probably intended for use in a calculator. They are >> seven segment neon MG-17G tubes. Once the tubes have any of the segments >> lit, there is really no issue with the performance. It's when the tubes go >> completely dark if a space is used while scrolling a message or lighting a >> dash on and off to emulate a colon. I'm wondering if others have found any >> particular tricks to help convince tubes to light up. There is no >> "baselighting" and the HV is ~172v. I'm considering increasing the HV by >> 10-15v but don't want to over drive the tubes. Short of putting a >> radioactive source in the vicinity, are there other things that anyone has >> had any luck with? >> >> Jeff >> > -- > 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 view this discussion on the web, visit > https://groups.google.com/d/msgid/neonixie-l/04812860-adfe-487b-8eb0-82d572e13df8n%40googlegroups.com > <https://groups.google.com/d/msgid/neonixie-l/04812860-adfe-487b-8eb0-82d572e13df8n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- 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 view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/CALiMYrupZRHGBBSpbUKA4mJsFJquFdOnJZU3DfHDBocUkMBpsA%40mail.gmail.com.
