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  • 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.

2n2222

  1. Athosworld

    Relaxation Oscillator Help

    I made a 2n2222 oscilator (the super simple type) it works with a speaker, but i tried to power a ferrite transformer with it and it seems it stops the oscillation. The transformer has 20t on primary and 310t on secondary, i wanted to use it as a fluorescent lamp instant starter. I dont get...
  2. Athosworld

    Driving Transformer Help

    I made a small transformer with 30 turns on primary and around 250 turns on the secondary and I want to know how to drive it. I thought I could drive it with a 2N2222 oscillator like this one Could I just replace the LED with the primary of my transformer? What effect would this have on the...

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