Recent content by relativespeed

  1. R

    Odd voltages on home built PSU

    Well, asked an electrical engineer, and got a dur answer I should have known: it's not regulated, so the voltage will vary upon load, probably from 18-9 volts pending on ampheres going thru it.
  2. R

    Odd voltages on home built PSU

    Well, I have 18V now, so that wouldn't a problem. Nor would a couple heat sinks and a small fan from an old CPU. I'd be a little nervous about running a couple amps thru a transistor though, wouldn't it burn out? I'm looking to build a 3AMP transformer box. And could you come up with a...
  3. R

    Odd voltages on home built PSU

    I'm working on building a power supply (120VAC to ~12VDC). The Transformer puts out 13.6VAC without any modifications. But once I put on a diode on each side (make into DC) then put on a 1000 microfarad capacitor to eliminate the cosine curve it bumps up to 18VDC. Without said capacitor it...
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