Sep 2, 2009 #1 N nassim1 Full Member level 4 Joined Jun 2, 2008 Messages 195 Helped 15 Reputation 30 Reaction score 10 Trophy points 1,298 Activity points 2,515 pls, can someone tell me how can we determine the coupling factor vs S-parameters of coupler with 04 ports. P1(input port) _____ P2 (transmitted port) P3 (coupled port) _____ P4 (isolated port) Coupling factor (dB) : - 10 log(P3/P1) it's : S31 ??
pls, can someone tell me how can we determine the coupling factor vs S-parameters of coupler with 04 ports. P1(input port) _____ P2 (transmitted port) P3 (coupled port) _____ P4 (isolated port) Coupling factor (dB) : - 10 log(P3/P1) it's : S31 ??
Sep 2, 2009 #2 radiohead Advanced Member level 1 Joined May 13, 2004 Messages 447 Helped 66 Reputation 128 Reaction score 31 Trophy points 1,308 Location Heart of Europe Activity points 3,562 If all is terminated with it's reference impedance (presumably 50R): yes
Sep 3, 2009 #3 N nassim1 Full Member level 4 Joined Jun 2, 2008 Messages 195 Helped 15 Reputation 30 Reaction score 10 Trophy points 1,298 Activity points 2,515 Thank you for confirmation...... but if one of them is not terminated by 50 Ohms, how can we determine the ports powers ...?
Thank you for confirmation...... but if one of them is not terminated by 50 Ohms, how can we determine the ports powers ...?