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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.

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  1. mading2018

    AC/DC converter + Totem-Pole

    Hello, I used the LT8312 PFC controller to controlling the switches, but somehow the switches seems not to operating in the bridge, only the diodes. Do anyone know what could be the problem why the switches do not operate? And how do I change the switching frequency to 150 kHz? I think that I...
  2. J

    My TV doesn't turn on. How to repair it?

    I have an old CRT tv and when I try to turn on I press the button, but nothing happens. What could be broken? Should I start checking the fuse?

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