Power Inverter 12V to 230V, 220V, 120V, NEW circuit diagram, very easy, homemade, one unit.

Channel: Kywdo1

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ATTENTION : REQUIRES TUNING !!!
[ NOTE 2015 ] Better with a Toroidal(round,circular)-Transformer 12V (2x12V).
PS: An (quality)upgrade at:* Kywdo111 *(YouTube channel),
and more explanations.
(The transistors remains COLD !!! - at that consumption
WITHOUT heat-sinks ! ).
(Works also with a 220V or 120V Transformer)
PS :
New Bias-type, very stable !!!
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Dictionary :
*An INVERTER : from DC to AC .
*A TRANSFORMER : from AC to AC .
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NOTE ( !!! May 2015 !!! ) :
[ With Tr.:2x12V(5A)/230V, and 3W-LEDs-bulb like load, and 12V/9Ah Battery (source) ]
Ab.*** 53Hz *** , on my USB-Oscilloscope, ... I'll try to see the frequency on an other Oscilloscope ( maybe at a work-shop ).