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  1. DerFly1

    Dual Variable Power Supply - looking for......

    H All, There was a project here detailing the above.  Built by a German guy, I think.  Beautiful construction with a kind of modular method.  The two supplies could be switched together for more voltage. It might have been 0 -15v x2 or similar.  PCB artwork was avaulabble and there were quite...
  2. DerFly1

    LM350 Variable Power Source

    Hello All, Just finished building a modification of the following circuit. http://www.uoguelph.ca/~antoon/circ/vps.htm The changes I made were to use a 24v 3a transformer as this was available at the time. I also used an LM350 instead of LM317 as it is rated at 3A. Also used a 2A fuse and...
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