ok that's a little more info
a gain of 10W doesnt mean anything
We say an amplifier may have a gain of 10dB, so for example, if we input 1Watt, we get 10Watts output
or it has a gain of say 20dB, if we input 100mW ( 0.1W) we will get 10W output
so what is the transmitter you intend to power this amplifier with ?
does it really have a range of 500MHz to 2GHz ?, or are you just going to use a signal generator ?
500MHz to 2 GHz is a very broad bandwidth,
To use discrete transistors it would be quite difficult, it is doable with various Motorola ( now Freescale) power block modules. They take care of all the variations of freq Vs impedance problems assoc with broad band transmitters
They have ones they make for the CATV ( cable TV) market
You
MUST define input power, that is essential, as that is going to determine which module is suitable for your application
and as I asked earlier .....
Do you have the relevent licences to transmit on the frequency you are interested in ?
Do you have the relevent test equipment to determine output power, cleanliness of the signal etc?
those are also essential, specially if you intend transmitting 10W of RF. The last thing you want is for the authorities knocking on your door and confiscating all your gear and slapping you with a huge $$ fine for a dirty and illegal transmitter
Dave