S parameter - Is it so hard ?

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mauloftin

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Hi,

I need help. A have transition from rectangular to circular waveguide. So return loss = X dB. Can you tell me, how is design S matrix ?
X in dB is 20log10(S11), so S11 = 10^(X/20) and S matrix is

[ S11 √1-S11² ]
[ √1-S11² S11 ] is it true ?

Thank
 

S parameter

So it is so hard ? Or it is so easy ? A do not understand me ? Can you help me ? Thank
 

Can you tell me somebody, why nobody can give me answer ? Thank
 

Refer Collin's book.
Foundation of microwave engineering
He has explained how to write it.

Check Pozer too. i guess he has also given.
but not sure.
 

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