Dalibor also makes a version of the R|568 that uses the mesh cage all around instead of the solid back. It is spectacular and the see-through appearance is unique. Dalibor's tubes are truly an art and we are all lucky to have a source for these gorgeous displays. -------- Original message --------From: gregebert <gregeb...@hotmail.com> Date: 7/25/21 7:41 PM (GMT-06:00) To: neonixie-l <neonixie-l@googlegroups.com> Subject: Re: [neonixie-l] Re: NixiSat driving Dalibor's R|568's What really amazed me about the R|Z568m tubes is that even though at 50mm tall, they are only 10mm taller than an IN-18, their size is enormous by comparison. They are "fatter" than an IN-18 so they have better overall proportions, whereas the IN-18 is more tall-and-skinny.On Sunday, July 25, 2021 at 4:59:37 PM UTC-7 MichaelB wrote:i could not agree with you more! On Sunday, July 25, 2021 at 4:55:13 PM UTC-7 nickja...@gmail.com wrote:But they are beautiful! On Sun, Jul 25, 2021, 11:48 AM gregebert <greg...@hotmail.com> wrote:Just to be safe, I suggest you measure the voltage drop across the anode resistor, and use Ohm's law to compute the current. For an 8.2K anode resistor, and a current of 6mA, the voltage-drop should be around 50V. If the voltage is below 40 volts, your anode current is too low because it's less than the datasheet minimum-current spec of 5mA and you run the risk of cathode poisoning.I use an actual current-regulator in my designs, rather than just a resistor, so that variations in tube characteristics and supply voltage dont affect the current.On Saturday, July 24, 2021 at 3:30:00 PM UTC-7 MichaelB wrote:Still have to build the taller colon towers, but I was pleased to see that these work as possible replacements for the real thing. I used 8.2K Anode resistors vs. the 10K's Thomas used to recommend for the Z568's. And since they're taller they require a taller top, as an aside.
-- 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+...@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/603ee847-05a6-4541-a50b-90e0e0b097dan%40googlegroups.com. -- 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/9a8ca493-58e1-49bb-b0a7-70be04adf129n%40googlegroups.com. -- 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/60fe093c.1c69fb81.6d974.4fe8%40mx.google.com.
