One other note, the chip behaved better if I used 3.3V on the inputs rather than 5V. If Greg were right, would pull-down resistors on the inputs help? Not that I plan to test it at this point.
On Wednesday, April 29, 2020 at 9:48:19 AM UTC-4, [email protected] wrote: > > As a matter of personal taste. I like to have a generous margin on BVceo, > like always larger than Vcc. To me, anything else is penny wise and pound > foolish, especially in hobby quantities. I always use transistors rated at > 300V even if my Vcc is less than 200V. > > Gregenert is probably right about amplified leakage, but another > possibility is that you have avalanche breakdown of the CB junction in the > driver transistor. Given the nonlinear IV of neon, this might mean that > your lamps are off when you first apply power, but it will not turn off on > command. > -- 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/6697315a-a249-4b9c-a140-5700cae3c4a1%40googlegroups.com.
