heilp!power amplifier...

Hi,
i am a graduate student, and i am beginning to design a power amplifier with 1W output power from 1G to 10G, anyone here can give me some suggestions about how to do it? and which device or chip should be used in my design,and how to implement the broad band match?
thank you very much!
i am vexatious now!
i am looking forward to your help!
my e-mail:microwavehongjie(at)sohu.com, and i hope we can make friends,thanks!