Yes, search these forums and do a Google search for dc to ac converter circuits. There's a lot of info out there already. Then, when you have more specific questions, ask them on this forum.
well what i want is to generate 220v ac 50hz from a 12v , 40 amps battery.
I know hz can be controlled via changing rc time constant . Voltage has be 220v and the load should be 10Watts .
Whats the best way to increase Watts using more bulky FETs with higher current ratings???