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  1. M

    0-30V Stabilized Power Supply

    Thanks audioguru on the answer :). Yes you are right, my mistake, no one recommended the A version of the opamp. I will use this MC34071PG opamp that I have. Thanks for the suggestion to use two 2N3055 transistor to share the heat. I will use that modification.
  2. M

    0-30V Stabilized Power Supply

    Hello to all, I started building this power supply using the project on this web page http://diyfan.blogspot.com.br/2012/02/adjustable-lab-power-supply.html, which is basically the same project at this listed here. But I have a couple of questions. First, from the posts I have read here, I...
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