beginner in power amp design [hlp]

hi
how i can design a 10watt power amp in vhf band? which companies produce required transistors? what kind of trnsistor must be used?

NEC , CEL , Sirenza , NXP polyFeT

Khouly

http://www.freescale.com/webapp/sps/...B9752000M22892

http://www.st.com/stonline/stappl/productcatalog/app?path=/comp/stcom/PcStComOnLineQuery.showresult&querytype=type=produ ctSSview=table&querycriteria=RNP139=1256.0

what is your bandwidth,if wideband ,y shoul use the semilab transistor or the polyfet

hi
is there any application note about this subject?

search agilent EEsof web site there are alot of tutorials about PA design

khouly