Whatever4506 Whatever4506 07-06-2023 Engineering contestada A three-port device has an S-matrix of 0 1 -1 S= 1 0 13 1 0 0 a) Is this device lossless? reciprocal? b) Find the port 1 return loss and input impedance if port 2 is terminated with 120 32 and port 3 with 60 12. Assume Zo = 50N.