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  1. S

    0-30 Vdc Stabilized Power Supply

    Ok just finish building the power supply, I had to make a new PCB but this project has taught me a lot. so I didnt mind. I use the TL081 but use a LM7809 to drop the voltage down, use a 30V 3Amp transformer and the Power supply outputs 25 volts which isnt bad :D Thanks for all the inputs into...
  2. S

    0-30 Vdc Stabilized Power Supply

    Thank you for the quick reponse, I will remake the PCB and start again. I will use the upgraded parts on the rest circuit describe by one of your early post. 0-20V will get me out trouble for now, I will upgrade transformer to a 30V 3A later on. Time to go to the local electronic store by more...
  3. S

    0-30 Vdc Stabilized Power Supply

    Ok Im trying to fix my project using the following info. I was wonder if I insert the LM7809 into the circuit properly, I dont really understand words sometimes, and if i got it wrong I was wondering you could supply the correct schematic.  I cant buy any other IC listed in fixes expect a...
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