hi.. can someone pls help??? am looking for 12vdc-220vac 100/200watts sinewave inverter. can someone post up a schematic diagram with the above citeria?? looking forward for a diagram that have been tried out and is successful, and included with component list. A 12vdc-220vac 100/200watts Square wave inverter also can.but can tell how to change the square wave to sine wave. thanks.