Inverter Lashup


Inverter Lashup
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Inverter Lashup

This is a ~400 Watt 7.5VDC to 120VAC inverter. I suppose if I spent time to change the pulse width, I could have a 12V inverter, but oh well. (Yeah, that's what happens when I used a ~17V, center tapped transformer from my APC UPS.) At least I was able to cram it all into a computer power supply box quite nicely. I'm using a CMOS inverter (4049) to drive the FETs that were in my APC UPS. It would probably work pretty good with a 6V SLA, but I just had a modified 15VAC microwave oven transformer with limited coupling fed by my Variac autotransformer.