There is a nice article in NutsVolts magazine: http://www.nutsvolts.com/media-files/Forum-Articles/QA_201110.pdf where a powerful driver is shown, needs a small transformer but seems to be well designed with equations for calculations of the transformer.
/Martin On Friday, 20 August 2021 at 21:37:46 UTC+2 Hannah Mishin wrote: > Theres a section on filament driving in my blog here: > > https://hannahmishin.com/blog/2017/4/30/russian-tri-color-vfd-indicator-clock > > *Hannah Mishin* > * She/her/hers* > <http://hannahmishin.com/> > > *hannahmishin.com* <http://hannahmishin.com/> > > > > On Fri, Aug 20, 2021 at 1:48 PM Toby Thain <[email protected]> > wrote: > >> On 2021-08-20 12:58 p.m., Paul Andrews wrote: >> > 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. ... >> > >> >> FWIW I've used LM2575 1A adjustable step down for DC filament voltages >> in that range. >> >> --Toby >> >> >> > ... >> > >> > So I would appreciate any suggestions for what direction I should take >> > here. I have too many options and no clear criteria. >> > >> > -- >> > 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] >> > <mailto:[email protected]>. >> > To view this discussion on the web, visit >> > >> https://groups.google.com/d/msgid/neonixie-l/860d4d78-c807-415e-a740-b576a4b5d18cn%40googlegroups.com >> > < >> https://groups.google.com/d/msgid/neonixie-l/860d4d78-c807-415e-a740-b576a4b5d18cn%40googlegroups.com?utm_medium=email&utm_source=footer >> >. >> >> -- >> 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/ce44816f-120e-abae-060f-fe062d24f836%40telegraphics.com.au >> . >> > -- 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/a540fc31-ccde-4686-9c05-06a3c234c19dn%40googlegroups.com.
