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  1. xristost

    0-30V Stabilized Power Supply

    I almost finished my PS. The two boards are completed, tested and they work wonderfully! I have ordered and I am expecting power transformers and digital panel meters (voltmeter and ammeter). Here some pictures of my work: http://diyfan.blogspot.com/
  2. xristost

    0-30V Stabilized Power Supply

    There was a video posted on some page of this tread, where output voltage raise briefly. And that was with these new opamps. That's why I was thinking to put back Q1.
  3. xristost

    0-30V Stabilized Power Supply

    Hello, I also have а couple of questions. First, the original article states: But in the improved schematic (latest version) pin 4 of U2 is connected to ground ("-" pin of C1). Is this done on purpose or by oversight? Second, what is the behaviour of the output voltage when the power is...
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