I'm having issue with my power inverter trying to get the proper signal but there seem to be a convergence error in multisim which I can't find the problem. I place everything on breadboard and I don't seem to get the right output voltage. The moment the 12v is placed into my circuit things just go wrong but when all the small signal voltage of 5v up to 3904 transistors work flawlessly. I can't seem to find the problem in my work. If you can gear me to the right path of making my project better much appreciated. I was thinking of using fets but I had a load of bjt laying around.
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