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A current source is added in parallel to the transconductance.
A Maxima user’s function ‘APPLY_LIMIT()’ is used to implement the slew-rate model.
The value of the constant current source must be declared as ‘INTERN’, the current ‘I(gm)’
flowing in the transconductance and its voltage command ‘cV(gm)’ must be in
‘OUTPUTS’.
The numerical value of ‘I_max’ is in the data file and transmitted to the SARC function.