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    0-30 Vdc Stabilized Power Supply

    Hy I ordered from tI TLE2141 and now i replace the integrates. I also replace the 2n2219 with Tip31. now what resistor i must replace? Thank you
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    0-30 Vdc Stabilized Power Supply

    Thank you very much audioguru The problem was Q1 and Q3. I switch the Q3 with Q1. In my circuit Q3 was a npn and Q1 a pnp... I will change the tl081 with TLE2141, but for now it's ok with tl.
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    0-30 Vdc Stabilized Power Supply

    hello I made the original power supply(30V 0-3A) with all the original parts.( http://electronics-lab.com/projects/power/001/index.html ) I have the maximum output of 11.5V!!! and the led is always on. The voltage after the bridge is 33V dc. I measured   the reference ( pin6 to pin4 at U1) and I...
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