On Thu, 2011-12-29 at 21:14 -0500, gene heskett wrote: > pointers to the articles
That was a series on transformers & triac triggering, with a resistance soldering setup as the McGuffin. CC doesn't put articles online (if you know where to look, go for April/June/August 2008), but I put up some notes a while ago; start at the first post and rummage through the next few days: http://softsolder.com/2010/09/07/resistance-soldering-gizmo-overview/ The transformer notes, complete with a B-H curve, may be most useful: http://softsolder.com/2010/09/08/resistance-soldering-transformer/ The triac trigger circuitry was *insanely* complex, because I wanted to show what happens during four-quadrant triggering with sub-cycle control. In real life, you'd just fire a triac driver for the entire heating pulse and be done with it. A while back, Eks forced me to take his homebrew water-cooled pulser built around a stack of hockey-puck transistors that he'd been using for EDM. All I need is a bulk supply behind the thing, a bit of Z axis control, and I could sink dies with the best of 'em... [sigh] -- Ed http://softsolder.com ------------------------------------------------------------------------------ Ridiculously easy VDI. With Citrix VDI-in-a-Box, you don't need a complex infrastructure or vast IT resources to deliver seamless, secure access to virtual desktops. With this all-in-one solution, easily deploy virtual desktops for less than the cost of PCs and save 60% on VDI infrastructure costs. Try it free! http://p.sf.net/sfu/Citrix-VDIinabox _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
