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Pspice Advanced : SMOKE. Different smoke limits per Model

Dami

Hi,

 I start with the smoke analysis and I do not manage to create 2 resitances with different properties.

I am used to add Rbreakout resistors and to Edit the Pspice Model in order to give them different DEV (for example 1% and 10%) or TC1.

Now I would like to perform a smoke analysis on my design? is it possible?

The "part" VARIABLES in PSPICE_ELEM library defines all the smoke limits but there are the same for all the resistors....

Thanks

Dam 

 

Parents

  • Resistor from PSpice_ELEM would have it's own model & hence tolerance parameter/calculation. Are you saying you have modified the RESISTOR form PSpice_elem library to have model defined as ( R=1 DEV={0.0005*DEVTOL+10e-6*DTEMP+15e-6*DMONTH} )

    How?

    Also when you say "... PSpice does not evaluate the { } expression anymore",  can you explain how did you arrive at this conclusion? Are you concluding this based on results shown in PSpice Advance Analysis or PSpice?

Reply

  • Resistor from PSpice_ELEM would have it's own model & hence tolerance parameter/calculation. Are you saying you have modified the RESISTOR form PSpice_elem library to have model defined as ( R=1 DEV={0.0005*DEVTOL+10e-6*DTEMP+15e-6*DMONTH} )

    How?

    Also when you say "... PSpice does not evaluate the { } expression anymore",  can you explain how did you arrive at this conclusion? Are you concluding this based on results shown in PSpice Advance Analysis or PSpice?

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