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Re: Singular matrix

 

Some of the things you can try (no guarantees!) include:
  • Remove voltage sources and replace with "Nortonized" (current) sources.
  • Add a small GSHUNT, perhaps 1e-12 to as much as 1e-10.
  • Add a small CSHUNT, perhaps 1e-15.
  • Use SPICE models for similar (IC or transistor) parts from other manufacturers.
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Andy
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