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Is every Spice model suitable for plotting gm/id curve?

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jutek

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gm/id

hello

Is every spice model suitable to plot gm/id curve?

how should the analysis look like.
i use .dc ibias start stop step but i think it's not correct

any examples?

regards
 

Re: gm/id

since gm=dId/dVgs u can sweep Vgs and plot Id versus Vgs and u get gm from the slope of the plotted curve
 

Re: gm/id

MSSN said:
since gm=dId/dVgs u can sweep Vgs and plot Id versus Vgs and u get gm from the slope of the plotted curve
Click to expand...

i know how to get gm. i want to have gm/ID on Y axis and ID/(W/L) on x one.

i don't know how to do it i hspice
 

Re: gm/id

what is ocean?
 

gm/id

it is a script or tool in Cadence. you can use that one.
 

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