Hspice - need help to sweep my circuit by different Vth

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kyokanasaki

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About Hspice

Hello!

I have a problem about Hspice.
I want to sweep my circuit by different Vth.
It needs to change parameters in model card, but I don't want to do it manually.

Here I came up with a idea that I made lots of model cards with different vth and use .alter to run circuit.

Does everyone know some syntax or the better way to do?

Thanks for your reading!
 

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