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document updated 15 years ago, on Dec 14, 2008
powerlabs.org's lengthy writeup
Vladimiro Mazzilli's IRFP250 ZVS flyback driver that everyone builds
notes and pictures
pictures
pictures
(plus other circuits, including a mains-powered one...)
pictures
,
video
2N3055 transistors, push-pull
random tips
lots of good tips here
pics
wow...