Power Supply Circuits

5V regulator using 7805

12V regulator using 7805

+5V/-5V regulator using 7805 and 7905

+15V/-15V regulator using 7815 and 7915

+9V/-9V regulator using 7809 and 7909

+12V,+5V DC power supply using 7812 and 7805

Variable Voltage output using LM317