Hi David, Without knowing anything about the version you're using, the model, the circuit, or the simulation settings, it's virtually impossible to say. However, the delta in the output signal is very small - perhaps it's below reltol (the default reltol on a 5V signal could cause changes smaller than 5mV to be ignored if using reltol=1e-3 and errpreset=moderate) - here your output steps were only 10uV in a 5V signal. So it might be an accuracy control thing, or it could be all number of other issues - there simply isn't enough information to diagnose the issue. Regards, Andrew![]()
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