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RF interview question

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hmsheng

hmsheng

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Matching problem:

Refer the attached figure, when the Zs matched to ZL, that is Zout=ZL*, prove that Zin=Zs*.
 

Gamma_Load = 0 => VSWR_Load = 1.
Since the MN is lossless => VSWR_Source = VSWR_Load = 1
Then Gamma_Source = 0 => Zin = Zs*
 
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