Electronics

Basic Power Supply Circuits – Part 2

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

c1

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.

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