RS are no longer stocking it - http://uk.rs-online.com/web/p/vacuum-fluorescent-display-filament-drivers/6512515 - marked as discontinued, and TI (the manufacturer) have also stopped selling & sampling them - they also don;t have a recommended alternative... http://www.ti.com/product/lm9022
Nick On Tuesday, 20 August 2013 00:39:50 UTC+1, jrehwin wrote: > > > Just thought I would give an update on my adventures with the VFD tube. > I actually found this schematic online, > http://www.mikrocontroller.net/attachment/41640/VFD_Schaltung_Auszug.pdf, and > saw it used a LM9022. > > > > Too bad it was discontinued from production a few years back but figured > I would hit up the Chinese IC markets to see what is available, as you > never know! I found a person that was selling these for not too expensive > and decided to buy a bunch. > > What package? About eight months ago, Grahame Marsh mentioned that he'd > been able to find them at RS Components, I think the SOIC version. He > obtained a few and sent them to me, but I haven't gotten around to playing > with VFDs again yet, alas. Here's what he had to say originally in this > group: > > > Having said the LM9022 VFD filament/HV driver chip had gone unobtainium, > I've found it back in stock with RS Components in the UK at about the same > price that it was when I last bought them from Farnell. Anyone > experimenting with VFDs might find this an interesting chip. I use it in > my Approx Clock: 5V goes in and an AC for the filament and drive to a > Dickson voltage multipler comes out. > > - John > > -- 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 post to this group, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/880853ab-92d3-49a4-9f5f-f4218421096b%40googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
