Simulation

[Silhouetou]

Hello! I'm using LTspice to simulate it, using the way you wrote. But after downloading the VIPER011XS model and start to analysis, it errors "Error in file 'D:\LTspice_Proj\TS Indicator\VIPER011XS.sub'." , I can't figure it out, can you still analyze in LTspice correctlly?

[Rootthecause]

The Viper in the simulation file is probably not liked to your file path.
Could you try removing it from the simulation and add it again as component from your library?

Edit: Yes, the simulation still works on my side.