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can i calculate prpagation constant(beta) from Zc or fc ?


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red5000



Joined: 06 Nov 2006
Posts: 120
Helped: 32


Post04 Jan 2009 17:05   

can i calculate prpagation constant(beta) from Zc or fc ?


can i calculate prpagation constant(beta) from impedance caracteristic or cutoff frequency ? and thank you.
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streamlet



Joined: 24 Dec 2007
Posts: 62
Helped: 7


Post09 Jan 2009 6:07   

can i calculate prpagation constant(beta) from Zc or fc ?


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.
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