Hi Andrew, It is a simple ocean script. I commanded out the simulator('spectre) when I posted the thred. But now even I enable the first sentense, the warnings are still there. Nothing changed. This script does nothing important, but merely fetch the Gain value calculated from /psf data and saved it into a result file. No simulation is involved because the simulation was finished before. By the way, I even tried to measure Gain in the ADE window, and simply saved the operation into a auto_gen.ocn script. Then I went to the command line and execute the saved auto_gen.ocn, those warnings are there as well. Any hint on where I should go and check some setups to try to find out certain improper settings? The original testSpectre.ocn: ;simulator( 'spectre ) openResults("/home/abc/simulation/Opamp_tb/spectre/schematic/psf/") p=outfile("/home/abc/simulation/Opamp_tb/spectre/schematic/psf/resultsSpectre.txt" "w") fprintf(p, "Hello!\n" ) selectResult('ac) fprintf(p, "Gain:\n" ) Gain=value(dB20(-(VF("/Vout") / (VF("net3") - VF("/net5")))) 1 ) fprintf(p,"%f\n" Gain) close(p) printf("\n---End---\n") Thanks, Alex
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