And for some tubes, that’s all that lights up lol. I wasn’t aware this could be fixed. Thanks Benoit and Dalibor. I might try this.
On Saturday, October 7, 2023 at 11:53:18 AM UTC-4 Greg P wrote: > Benoit and Dalibor, > > Thank you for your responses. I will try your suggestions. > > On Saturday, October 7, 2023 at 5:41:12 AM UTC-4 Dalibor wrote: > >> Exactly as Benoit said - just decrease the current through the digit so >> the glow disappears. Keep it running for days in that configuration, and >> make sure the glow on the lead doesn't come back. The sputtered metal from >> the digit traps impurities from the gas and make a thin layer on the lead, >> protecting it from glowing at rated current. >> It really takes time :-) >> >> On Friday, 6 October 2023 at 16:59:49 UTC+2 Benoit Tourret wrote: >> >>> you can try to add a resistor on this cathode, this will reduce the >>> current, reduce the glow; if the unwanted glowing point disappears, the >>> internal oxydation will re-coat the lead. this will take time, but this is >>> the only way to isolate the lead without opening the tube... >>> >>> Le vendredi 6 octobre 2023 à 15:05:17 UTC+2, Greg P a écrit : >>> >>>> I have a clock that has some glowing lead wires from the glass seal to >>>> where it connects to the individual cathodes. This doesn’t happen on >>>> every >>>> cathode in the tube. >>>> >>>> I know this can happen if too much current is applied but these tubes >>>> are running at the rated current or below when using PWM for dimming. >>>> >>>> So my question is; does anyone have an tricks to resolve this without >>>> just changing out the tube? Trying to avoid changing as these tubes >>>> (Z570M) are hardwired to the PCB. >>>> >>>> Appreciate any help on this topic. >>>> >>>> >>>> -- 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/c5924ae7-929e-41ad-92f2-e78535dce080n%40googlegroups.com.
