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Channel length modulation parameter graph

frasheed

Hello,

Is there any possibility that I can draw the graph for channel length modulation parameter through output characteristics of an NMOS (like the one shown in image below). Any SKILL function can do that or any GUI option that I can use to draw it? Thanks

P.S: Sorry if I have posted in wrong section

  • If the main curves come from simulation, you can just plot them using ViVA (and using functions like plot() if you want to automate it). If you want to plot the extrapolation lines, that's probably a matter of determining the derivative at a particular point and then constructing a curve (using drCreateVec, drCreateWaveform etc and then plotting that with plot() too.

    Not sure what  you mean otherwise if this doesn't answer your question.

    Regards,

    Andrew.

  • Hi Andrew, Thanks for replying, I will try what u have said. Actually I have drawn the output characteristics for different gate voltages, Now I need to draw the extrapolated lines like shown in the image in main post to calculate the channel length modulation parameter (lambda).

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