29 Jun
2008
29 Jun
'08
6:27 p.m.
Sounds like
you just need a single 9VAC power supply, a bridge, a
voltage regulator, and perhaps some caps to clean up the signal a bit.
The trick is to provide enough wattage.
No.
The 9VAC has to be a separate transformer winding from the one that provi=
des=20
the +5VDC eventually, because of how it's used...