Amplification of RF signals is itself a very difficult task........explain please

[sumansamui]

why this is so.please explain....

 

[chuckey]

its not difficult, its just expensive.
Frank

 

[Ow@i$]

RF signal itself is very low in -100-dbm range sometime or even low and has noise ..... So no normal or common Transistor amplifier can take such a low input. You need special one to take such low inputs and amplify... as said before its expensive not so difficult!!