I always found inductors to be the bane of electronics projects. Resistors, capacitors and other discrete components were always readily available in standard values but inductors were that odd item that you often wound up having wind yourself on a core that itself was difficult to obtain. Something along the lines of "wind 10 turns of #18 Teflon coated wire on an Acme T128 core, spacing the turns 2mm apart" or something just as annoying.
Back in the early 1980's my Electrical Engineering class took a field trip to the Ferroxcube plant in Saugerties, NY to see how inductors were made. It was fascinating to watch and they were of course very pro-inductor. Their catalog had a wide variety of components. But they were definitely an item you could not easily buy in single quantities off the shelf from RadioShack or other vendors of that era. On Monday, October 26, 2020 at 7:20:39 PM UTC-4 gregebert wrote: > Theoretically, there's no reason why switched capacitors cant be used > instead of inductors for voltage multiplication. Charge-pumps were used on > a lot of IC's back in the 1980's before everything went to CMOS, notably > DRAMs, that operated from a single supply-voltage. Some of you may remember > the 4116 had three supply voltages, but the next-generation 4164 was > 5V-only. Those were exciting times when DRAMs went from 16Kx1 to > 64Kx1....... > > Boosting 12V to 200V for a nixie supply without an inductor is certainly > possible, but it's not very practical. > > On Monday, October 26, 2020 at 2:12:48 PM UTC-7 Dekatron42 wrote: > >> Soon you might not see them anymore: >> https://www.nature.com/articles/d41586-020-02721-7 , just kidding - it >> will require some more breakthroughs before they have a practical >> component, but it would be nice if they could get smaller...... >> >> /Martin >> >> On Monday, 26 October 2020 15:35:36 UTC+1, Paul Andrews wrote: >>> >>> Yep. Its all about the transformer, until it isn't. That's the hardest >>> part about rolling your own power supply. >>> >>> -- 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/ff97ee78-b5fe-46cd-97d5-bda73037a1a2n%40googlegroups.com.
