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Geoffrey Coram

Tolerance recommendations

The user guide says

For improved convergence and run times, include the following lines of code at the beginning of the SPICE deck:
***************************************************
.options AUTOSTOP
.options DCON=1
.options GSHUNT=1e-12 RMIN=1e-15
.options ABSTOL=1e-5 ABSVDC=1e-4
.options RELTOL=1e-2 RELVDC=1e-2
***************************************************

 

These tolerances are extremely loose, particularly ABSTOL=1e-5: the default is 1e-12, and 1e-5 means that we are accepting violations of KCL by 10uA.

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1 Responses

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    Morteza Gholipour

    Thank you very much for bringing this to our attention.
    The model doesn't need any convergence option. The user guide is revised accordingly.

     

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