Got rid of the big iron. I built a little TL494 push-pull switcher, that outputs ~2.5Vrms @ 30KHz. It also generates +25V for the plate voltage.
http://www.dailymotion.com/video/x10pkvq_886-rectifier-on-switching-supply_tech I used a different camera, and changed the blink rate on the relax osc, to minimize the "beat" artifact, on the video. On Wednesday, May 29, 2013 2:33:32 AM UTC-7, threeneurons wrote: > > I went to the TRW swap meet on Saturday, and picked up a 866 mercury vapor > rectifier. The thing has a 2.5V 5 amp filament. Good thing I had this large > transformer in my stash with a 2.1V tap. Needed less than 50V to light it > up, and get the emission up to get more than 50mA thru. Tube is rated for > 250mA max average.By sticking a 2200uf cap across the the tube, plate to > cathode, it turns into a relax oscillator. Tube drop is only 11V. I never > had a relax osc, that couldn't bite me. Even though this rectifier was > intended for use in power supplies capable of delivering thousands of > volts, this circuit is quite harmless, until the glass breaks: > > > http://www.dailymotion.com/video/x10b9ux_866-rectifier-as-relax-osc-flashing-light_tech#.UaXI2tKXSSo > > Enjoy > -- 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/03b117de-6c12-410a-ad00-a2c78f4f8fb9%40googlegroups.com?hl=en-GB. For more options, visit https://groups.google.com/groups/opt_out.
