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3.Supports simple circuit simulation
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Std EditionProblem with Waveform displaying DB() and PH() for signals of below -100dB
License: Public Domain
Problem with Waveform displaying DB() and PH() for signals of below -100dB.
Using a volProbe in an AC analysis, signals attenuated by more than 100dB displayed in Waveform, wrap around and are stuck at 0dB.
The phase response as DB(V(OUT))) approaches and then passes -100dB is also wrong because, in this example it should continue to asymptotically approach -90 degrees.
Please compare this with:
20*log10(MAG(V(OUT))) ; this plots OK but Y axis is not labelled in dB
PH(v(out))360/(2pi) ; this plots OK but Y axis is labelled in V
Run the simulation and then using the blue gear icon in the WaveForm display: place the DB(V(OUT)) and PH(V(OUT)) traces in Pane 2.
|16||SIN(0 1 50) AC 1 0||V2||2P-5.0||1|