MK28
Advanced Member level 4
coupler !
I have some question regarding directional couplers:-
1. When we say e.g -20dB coupler---what does it mean?
2. In a transmitter block after PA--usually there is a coupler--why ?
please....
I have some question regarding directional couplers:-
1. When we say e.g -20dB coupler---what does it mean?
2. In a transmitter block after PA--usually there is a coupler--why ?
please....