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plot magnitude of gm Vs Vgs using phase in matlab

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sweeety

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hi everyone..

need some help to plot magnitude of gm Vs Vgs

Firstly a table data was extracted from the plot(magnitude and phase) using pss analysis where Vgs is sweeped for a range.Then i imported the data in matlab. Their i was strucked..could any one please tell me how to plot gm(both +ve and -ve axis) Vs Vgs

Thank you in advance...

Attaching the plot which I got from pss analysis..
77_1297158574.png
 

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  • mag&phase-pss.png
    mag&phase-pss.png
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