On 23 sty 2012, at 04:10, threeneurons wrote: >> Although, if you are using a voltage doubler to get your HV supply, you >> will find that the supply sags as current increases.... >> >> -Adam W7Q >> > > Yep, the ripple voltage increases dramatically, per multiplier stage, > given the same current draw. But the nixies are the devices that draw > the most current, with the dekatron drawing not even a milliamp. So > make the nixie voltage straight out, without the multiplier, then > double or triple the voltage for the dekatron. ie, 180V nixie & 3x -> > 540V dekatron, or 220V nixie & 2x -> 440V dekatron.
I built a PSU with a voltage doubler (200V doubled to get 400V). With 1mA of output current on the doubled 400V output the ripple isn't a problem at all. I think it was around 10V P-P. --J. -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To post to this group, send an email to neonixie-l@googlegroups.com. To unsubscribe from this group, send email to neonixie-l+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/neonixie-l?hl=en-GB.
