I want to step up the utility voltage (230Vrms) by 1:2 and rectify it. I was thinking of using centre tapped transformer as a full wave rectifier. But now I see that a bridge rectifier and simple transformer (1:2 without centre tap) will serve my purpose easily giving me relaxation in designing the transformer. For a centre tap design I have to use more turn ratio for secondary windings(size + cost of centre tap will increase). Am I true in my approach? Which scheme will be better?