I don't see a circuit in the link - it links on to a dead site. Can you post here? Some thoughts...
Are you sure you are using IN-13 not IN-9 ? 13mA to fully light the tube is around what might be expected for a slightly cathode poisoned IN-9. It's easy to check even if the tube markings have worn off: IN-13 has three terminals, IN-9 has two. I would expect both tube types to require about 150V to strike reliably, and then the voltage across the tube will drop down to the maintenance or running voltage in the 95V - 105V range. Were you anticipating something different? Jon -- 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/a9dcb800-3d4c-4790-871c-f0d05d2960c1%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
