supply

  1. D

    unregulated power supply - unstable output or no output at all

    This might be a super obvious question to most over here, but I know nothing about power supplies, so please bear with as I try to explain what is going on. I have one of these SPS705 68VDC power supplies running inside a rather simple stepper motor control box...
  2. J

    12v rail for work bench needs battery what kind of controller I need?

    Basically to power various lights and e4c im setting up something similar to a 12v outlet around my workbench, I also want to power a 24v fridge. Problem is that the 6-8A Spike when it first turns on is too much even though the psu is 15A and I've gotten it to 13A ok. I'll have a battery hooked...
  3. Voltage regulator circuit that doesn't regulate voltage. Am I doing it wrong?

    I'm currently building myself a 48v phantom power supply for a microphone. I've been using **broken link removed** project posted online for both the powersupply and microphone circuits. So far I've built this circuit below: The problem is the voltage regulator is doing absolutely nothing to...
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