I think the FLW design is also multiplexed as opposed to direct drive. That could very well have something to do with the flickering. Is there any way to tweak the switching frequency of the mux or is it fixed?
On Tue, Apr 16, 2019, 1:37 AM Michail Wilson <m...@michail.com> wrote: > Strange, but it could still be the tube. > > > > I have a bunch that are slower to trigger / require more power. > > > > I also have the 4LW clock which I typically swap tubes in to see how they > perform. > > Some delay, some flicker. When I power directly and add more current > and/or voltage, they seem fine. > > > > Michail > > > > *From:* neonixie-l@googlegroups.com [mailto:neonixie-l@googlegroups.com] *On > Behalf Of *Kevin A. > *Sent:* Monday, April 15, 2019 7:55 PM > *To:* neonixie-l > *Subject:* Re: [neonixie-l] While we're talking 7971's, I have a 4LW > clock question > > > > Maybe the high voltage supply is tapped out; just not enough current for > all 4 tubes at once. Or the high voltage is a bit low and causing > inconsistent ionization across tubes. It could also be a combination of > both where the power supply voltage drops when the tubes are brought up, > and the last tube to light has to ignite when the voltage is lowest. > > > > -- > 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 neonixie-l+unsubscr...@googlegroups.com. > To post to this group, send email to neonixie-l@googlegroups.com. > To view this discussion on the web, visit > https://groups.google.com/d/msgid/neonixie-l/006901d4f416%2474fde080%245ef9a180%24%40com > <https://groups.google.com/d/msgid/neonixie-l/006901d4f416%2474fde080%245ef9a180%24%40com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- 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 neonixie-l+unsubscr...@googlegroups.com. To post to this group, send an email to neonixie-l@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/CALcVLK%2B78uvxjC8z7yqOvNAUkj63q28bRKW2RRv_Febnpcf_-w%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
