please help me construct a power supply 0-30V with a minimum of 3A

Thread Starter


Joined Feb 19, 2007
good day! could anyone help me to construct a diagram/ circuit for a power supply with these specifications:
- output voltage 1: ---- 5 Vdc fixed
- output voltage 2: ---- 0-30 Vdc adjustable
- output current: 3A (minimum)
- full wave bridge rectifier
- input AC voltage is 220 Vac

please anyone... help me....
thnks a lot