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Ploting fT vs gm/Id and Id/W vs gm/Id in LTSPICE

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Yubo Han

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Hello everyone

I am currently working on characterising a NMOS transistor, and i want to oberve the relation of fT vs gm/Id and Id/W vs gm/Id.
The software i am using is LTSPICE, could anyone please give me some advises about how to plot out these graphs?

The SPICE netlist and the screenshot of my current schematic and simulation plane is attached below.

Thank you for any helps!
Han
 

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