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  1. A

    dc to dc power converter

    This is a 12V dc motor speed control cicuit with forward and reverse function(cw and ccw). Not complete though. It functin like this , upper two 324 operational amplifiers make a triangle wave generator. Lower left 1/4 lm324 compares triagle wave with input set point and hence outputs pulse...
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    IC identification needed for 2500w "Mobile Power" Inverter

    For reference ,a 2500 watts inverter. For reference ,a 2500 watts inverter schematics and pics.
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    IC identification needed for 2500w "Mobile Power" Inverter

    Let me explain. Attached is a typical chinese inverter output stage. A full hbridge stage. So hi side driver is needed. But instead using costy driver ics it can be done with discrete components like a diode ,capacitor transistor. Action is the same. Initialy when low side fets are on V2 ,12V...
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