thanks Les Jones , I have one more question ,
I'm intending to drive two MOSFETs , could be more depending on the wattage I want on the outputIf using a 12V car battery, make sure to include a fuse.
What are you intending to drive with the oscillator? An LM324 can only source/sink a few mA.
aright pal I really appreciate ithaving a 50hz sine wave is a good idea because you can feed it into a pwm comparator, and let it modulate the pwm duty cycle of a pwm output, then this will switch current into the inverter inductor, and give you your 50hz power wave.....ill try and dig out a sim in ltspice out for you to show what i mean...back soon.....got to go to shop now though b4 they close up.
A square wave would do just fine and the output voltage of the LM324 doesn't really matter because the MOSFETs are voltage based and can be driven by a very low voltage.Still not clear what you are trying to do. Sine wave? Square? Triangle? Saw? Pulse?
What is the intended outut of the LM324 circuit, and what is the intended output of the overall project?