Output AC : (X - 1.4) x 1.414
Assume you are usign full wave rectifier.
1.4 is two diode V drop.
X is the unknown.
By sutitiution, X is around 43V.
You should find 42-0-42 or 42V x 2 transformer.
Remember, you need to calculate the no-load and full load voltage diff. (Regulation)
EI, R-CORE, Trodorial are diff.
KK.Ho[/quote]
Let's say i am using regular bridge rectifier (4 diodes with 4 legs), i bet the connection is like
220V "street electricity" - > 42-0-42 transformer -> each output of the transformer (which total of them is 2) to one bridge rectifier> output from 1 rectifier will be the +60 and another -60 -> the two outputs then go to current stabilising currect