> Apologies if this has already been suggested, but I can't see much of > a problem with connecting the 2 series filaments to the output of an H- > bridge being switched in both directions at a few hundred Hertz. > Although I can use a microcontroller output to drive the H-bridge, any > switching signal could be used. No need for AC or a transformer like > this.
Yeah, this is one of the standard approaches. The LM9022 chip was made for the purpose, but it's no longer available. Konstantin and Mike Moorrees have designs using various other chips to accomplish it. It works pretty well. - John -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To post to this group, send an email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/neonixie-l?hl=en-GB.
