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Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

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. evovi

    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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