Been to the attic and dug out an old science experimenter. This Power Supply is a nice simple design for the experimenter
Whoaaa! How do you do that trick, ION? The PDF downloads and pops up as soon as one opens the subject! Neat old article.
Looks like a glitch in the program. I tried to fix part of it. Seems to be a self referring post. Somehow a link to the post was included in the post as a .pdf. I deleted the link. Should be ok now.