Convergence with a transient simulation can usually be helped by adding a UIC (use initial conditions) to the end of a .tarn statement. A simulation using MOSFETs must include the scale factor in a...

Convergence with a transient simulation can usually be helped by adding a UIC (use initial conditions) to the end of a .tarn statement.

A simulation using MOSFETs must include the scale factor in a .options statement unless the widths and lengths are specified with the actual (final) sizes.