Thank you! I completely understand now. My design will be direct-drive, so I won't need to switch the anode. Will I need to switch the cathode though, or can I just leave it on continuously?
On Thursday, May 2, 2019 at 10:43:20 AM UTC-4, gregebert wrote: > > Switching the anodes is what multiplexing does, the advantage being that > you can share the cathode logic across several tubes. But with savings, > there is also a hidden cost: You must run the anode current higher for > multiplexed operation versus direct-drive. If the tube is specifically > designed to support higher peak-current for multiplexing, then there's > minimal risk; I recall some Burroughs tubes state in the datasheet not to > use multiplexing. > > I've done a number of clock designs, all of them direct-drive. Cost is a > secondary concern; maximizing the life of the almost- irreplaceable nixie > tube is the overriding goal. With direct-drive, you dont need to switch the > anode. However, I have some designs that use anode current-regulators which > is basically a switch that is not fully-on. > > Ghosting only occurs with a muliplexed display, so if you are concerned > about it, be sure that your design has programmable blanking-time, > refresh-rate, and on-time. You will have to experiment to get the best > 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/344f995d-f384-4f79-83b6-8874c4febbc1%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
