ZIA

HI I AM NEW TO EL-LAB I READ ABOUT 0-30V POWER SUPPLY I AM ALSO INTRESTED TO MAKE IT 1st OF ALL TRANSFORMER SHOULD HAVE1.6 TIMES HIGHER :o CURRENT RATING THEN SPASIFIED (NOT 3A IT SHOULD BE 3.6 A) HEATSINKING OE 2N2219 IS NOT EASY. IT SHOULD BE REPLACED BY TO-220 TYPE OF TR . DIODES OF BRIDGE RECTIFIER SHOULD ALSO BE CHANGED TO 4A TYPES. THE FILTRING CAP SHOULD ALSO BE CHANGED TO 1OOO MF TO HANDEL LARGE CURRENT SURGES.