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Model Editor - Can't "Extract model"

Javier1234

Hello all!

I have opened with Pspice Model Editor Demo a .lib library of an IGBT  that I downloaded from a manufacturer and the option "View-> Extract Model" is not enabled. Is it because the model is somehow “protected” by the manufacturer or is it because I’m using the “Demo” version?? I couldn’t find any explicit mention to it in the “OrCAD Lite Products Reference”

And while I’m at it, if I understand it correctly, a .lib file contains the same instructions as a netlist file. Then my question is: Is it possible to display a schematic out of a .lib file? It would help me a lot to visually see the model I’m using, instead of reading the .lib file…
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  • oldmouldy

    The OLB file is the graphical, schematic part, library for Capture, this is used to draw the schematic for extration to a PSpice netlist. The LIB, text, file could be a sub-circuit of SPICE elements but to get this to a graphical representation would not be trivial. If necessary, it's usually best to attempt this with a blank sheet of paper and draw the elements and interconnections, then tranfer a revised version to a schematic - this is not really going to impact the simulation itselft, only explain the circuit elements of the subcircuit.

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  • oldmouldy

    The OLB file is the graphical, schematic part, library for Capture, this is used to draw the schematic for extration to a PSpice netlist. The LIB, text, file could be a sub-circuit of SPICE elements but to get this to a graphical representation would not be trivial. If necessary, it's usually best to attempt this with a blank sheet of paper and draw the elements and interconnections, then tranfer a revised version to a schematic - this is not really going to impact the simulation itselft, only explain the circuit elements of the subcircuit.

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