Basic Power Supply Circuits - Part 2

Simplest DC power supply circuit using 78XX is shown below.



Parts

D1, D2, D3, D4 - 1N4007

IC1 - 7812

IC2 - 7805

C1 – 1000 mf

C2 – 330 mf

C3 – 10 mf

T1 - 12 v Step down transformer, 1 A.