S11 data in RI format - need suggestions/guidance

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karl9

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S11 data in RI format

Hi,

I measured S11 parameter for my amplifier. I checked on the data file. It turned out to be RI format. As followed:-

' freq ' ' reS11 ' ' imS11 '
' 2.00000000000E+09' ' -0.94886 ' '-0.366452 '

I wonder if I want to plot the S11 in dB scale. What should I do? Thanks for your suggestions in advance.

/Karl
 

Re: S11 data in RI format

Magnitude = √(ReS11²+ImS11²)

Phase = Arctan(ImS11/ReS11)
 

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