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input impedance of loaded transmission line with ADS

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mitrahallaj

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anyone can help me ?
I want to calculate input gamma of a loaded transmission line with ADS .
I have connected a complex load to a 4 port line , but I don't know how to show the input gamma plot ( S-parameter)
 

how to use parameter sweep to calculate entrance GAMMA in transmission line

hello,
I want to see the plot of entrance Gamma , while the load impedance is variable. how can I use S-parameter, sweep plan and parameter sweep .
I want to sweep the load then see the Gamma .
 

Re: how to use parameter sweep to calculate entrance GAMMA in transmission line

mitrahallaj said:
I want to see the plot of entrance Gamma
Click to expand...
What do you mean by "entrance Gamma" ?

mitrahallaj said:
while the load impedance is variable.
how can I use S-parameter, sweep plan and parameter sweep .
I want to sweep the load then see the Gamma.
Click to expand...
Very easy.
(1) Use built-in sweep ability of S-parameter Analysis for load impedancce, if you do one point frequency analysis.
(2) Use Parameter sweep for load impedancce, if you do frequency sweep.

However load impedance is a complex number, so you have to sweep two variables, real and imaginary or magintude and angle.
 

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