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Recent content by paulopca

  1. P

    I need help to develop a power supply

    I appreciate the responses. I took this circuit a mixer. See the link below. Attached is the wiring diagram I found on the Internet. I was looking on the internet a source circuit that works with 120Vac or 12Vdc and provide output +12 Vdc and-12Vdc, then I found this circuit. I mounted the power...
  2. P

    I need help to develop a power supply

    Hello to all! I need help to develop a power supply that is capable of receiving the input 12Vdc or 9VAC rms and delivered to the output +12 Vdc and -12Vdc with capacity of up to 8W of power. Attached is the circuit I'm trying to use and need to determine the values of the components...
  3. P

    simulate current feedback amplifier

    Hello all! I'm new here on the forum and this is my first post. I've tried several other forums and have not found the help I need, I'm about to give up looking. If anyone can help me I would be very grateful. I'm trying to simulate a power amplifier in MultiSim 11 and I'm not getting. Attached...

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