RF Designe basic calculations like Why we place the Capacitor............?

Hi All,

         I'm PCB designer as if now working on RF card.  I have some doubts in RF Design.

1. Why we place Capacitor or inductor in path of Antenna . If required how to calculate the value of Capacitor or inductor.

2. How we need to calcutate the length of trace between antenna to IC .(i.e will  Depending on the Frequency or what).

3.Please let me know any basic refrence book or site for RF design Basics.

Any Help will Appreciated .

Thanks in Advance.!!!!!!!!!!!!!!!!!!!!!!! 

Good Day,

Pavan Kumar