A) a square pulse of 20 ns duration and 0.74 v height enters the in port of a directional coupler with a coupling of -30 db. what is the width and height (if any) of the pulse reflected from the in port? what is the width and height (if any) of the pulse leaving the out port of the coupler? what is the width and height (if any) of the pulse leaving the cpl port of the coupler?
b) a square pulse of 20 ns duration and 0.74 v height enters the out port of a directional coupler with a coupling of -30 db. what is the width and height (if any) of the pulse reflected from the out port? what is the width and height (if any) of the pulse leaving the in port of the coupler? what is the width and height (if any) of the pulse leaving the cpl port of the coupler?