> > I'm designing a clock for DT-1704 tubes and am stumbling at the filament > drive stage. They want 1.6V. I want to power it from 5VDC. I've tried wiring > them in series, but there is a noticeable brightness gradient if I do.
I'm a big fan of series resistors (one per tube). It's inefficient, but low parts count, and gives a soft start to the filament. Another approach is current regulators or the aforementioned AC drive with a capacitive dropper. - John -- 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 view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/7FE256F6-A009-442B-859F-B641988DF4C6%40mac.com.
