20-12-2017, 07:16 AM
(18-12-2017, 12:03 PM)Diabolical Artificer Wrote: As mentioned I screwed up when I wound the tfmr, I wound the winding for 11v, that should have given me 15.4v DC prior to the LM317 minus a volt for diode drop. I'm actually getting 13.7v DC. This isn't enough headroom; with a load, IE valves, this drops to 10v ish. Bummer.
Andy.
hi
Is it imposible to add a few turns overwound on the transformer?
Mike
