Jan 4, 2009 #1 R red5000 Junior Member level 3 Joined Nov 6, 2006 Messages 27 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,281 Activity points 1,442 can i calculate prpagation constant(beta) from impedance caracteristic or cutoff frequency ? and thank you.
can i calculate prpagation constant(beta) from impedance caracteristic or cutoff frequency ? and thank you.
Jan 9, 2009 #2 S streamlet Full Member level 3 Joined Dec 24, 2007 Messages 186 Helped 38 Reputation 76 Reaction score 29 Trophy points 1,308 Activity points 2,408 characteristic impedance Zc=sqrt((R+jwL)/(G+jwC)), and beta=imag((R+jwL)*(G+jwC)), so you lack enough equations to calculate propagation constant beta based on Zc only.
characteristic impedance Zc=sqrt((R+jwL)/(G+jwC)), and beta=imag((R+jwL)*(G+jwC)), so you lack enough equations to calculate propagation constant beta based on Zc only.