Recent content by BRNewbie

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    0-30 Vdc Stabilized Power Supply

    Audioguru, My new measurements: C1 + 33V Pin 4 U3 -5,7v Pin 4 U2 -5,7v Pin 6 U6 8,1v Pin 6 U2 5,1v - 8,0 voltage pot down then up. LED always on Output voltage 25,4v - 32,4v The only thing that I changed on the project is the R7 with 470 ohm instead of 0,47 ohm, I will try to find the right...
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    0-30 Vdc Stabilized Power Supply

    Thanks for your help audioguru, I will measure things again as soon as possible, my home multimeter is to very good, i will use the one on my college lab Do you have by any chance this project on a pspice file so I can simulate and have more voltage readings to check? if you have can you send...
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    0-30 Vdc Stabilized Power Supply

    audioguru, thanks for your help here are the measuraments I am using a 12+12/2A transformer connecting both 12+ in 1 and 2 I am using R7 with 470 ohm instead of 0,47 ohm I will change for the right one... 1) Positive of C1. 42.4v 2) Pin 4 of U2 and U3. 1.41v 5,08v 3) Pin 6 of U1 0v 4) Pin 6...
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    0-30 Vdc Stabilized Power Supply

    Hi all, On my first attempt on building this Power Supply, I am having some problems can some one help me troubleshoot ? I am a newbee in eletronics but I have to have this PSU working by 11/22/06. When I turn it on the LED is on, the 2 potenciometers are apparently dead and I got a 33V on the...
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