I can see that the PV Remote System kit does indeed specify 8k2 anode resistors.
On Tuesday, 19 May 2020 11:48:49 UTC+1, Richard Scales wrote: > > Very sorry for asking such a fundamental question. > > I thought I had this all sorted but I'm having a problem in correlating my > understanding with what I see others doing. > > When checking specifications for IN-18's over at Tube-tester.com - he > suggests: > > Ignition Voltage 170V > Voltage drop 150V > Nominal current 6mA > > So I deduce, with a 170V HV supply, the series resistor should be (for > nominal current) (170-150)/0.006 = 3K3 > > Similarly for something like ZM1040, supply volts 170V, maintaining volts > 140V, nominal current 4.5mA, series resistor (170-140)/0.0045 = 6K6 > > I note that in kits such as PV Spectrum and others - for this kind of tube > they specify 10K series resistors. > > Am I mis-interpreting the specifications, in particular those for the > IN-18 as the voltage references are worded slightly differently? > > Are the tubes in question being driven at a lower current on purpose? > > I'm ready to learn! > > Richard > > > > > > > -- 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/f0ec7270-1273-46b6-bc8c-a8238832088f%40googlegroups.com.
