Spice issues with ST AmpOp model

[ForrestErickson]

That for getting back regarding this.

I think I am fighting two problems. One is that I got a library part for an E POLY source with had no template. I may have overcome that. I now am trying to figure out a failure

Error: Transient op failed, timestep too small
Transient solution failed -

Here is the thread I started on my issue:

Error reading simulation model from symbol 'E1'

Regarding, I now have this model: [image] I now have this schematic with 1,2,3, and 4 clearly connected in the schematic. [image] It produces this net list [image] Which produces this simulation with error in the output: “Warning: singular matrix: check node 3” I am not sure how to “check node 3” in any further way. I infer from the error message that the net is now connected and that the problem is related to gmin Here is the full simulation results. Background thread stopped wit…