Fonte Simétrica de 15 Volts

Materiais:

• R5, R6 = 39K;
• R7, R8 = 3K3;
• R9, R10 = 6K8;
• C1, C2, C3, C4 = 0,01uF;
• C5, C6 = 1000uF x 25V;
• C7, C8, C9, C10 = 0.1uF;
• C11, C12 = 1uF;
• C13, C14 = 4.7uF;
• C15, C16 = 47uF x 16V;
• C17, C18 = 0.47uF;
• IC1, IC2 = OP-27;
• TR1 = D 313/TIP31;
• TR2 = B507/TIP32;
• D1, D2, D3, D4 = 1N4002;
• D5, D6 = DZ 6V2;
• Trafo = CT 18V/0.5A