Basic Power Supply Circuits – Part 2Pintu ShawJune 17, 2012Electronics 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– 1000 mf C2 – 330 mf C3 – 10 mf T1 – 12 v Step down transformer, 1 A. Leave a ReplyCancel ReplyYour email address will not be published. Required fields are marked * Name * Email * Website Add Comment * I accept the Privacy Policy Post Comment Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.