kachew

hi there, i am kachew here....hehe....can i ask about the sine wave inverter circuit? did anyone try on the circuit post by MP? because i now have similar project on inverter too....my output also need be a sine wave output and surge capability 300W can anyone help me in this project coz after i read all the posts also not really understand and i;m weak in electronics theory...plz help me... :'( thanks