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Error while simulating

JETEE

 Hi,

 I am new with ORCAD and its family of products. I was trying to build a Full Adder circuit and the netslist is created fine but when I try to run it using PSpice, i get the following errors:

**** RESUMING TRAN.cir ****
.END

ERROR -- Model Q2N2222 used by Q_Q1 is undefined
ERROR -- Model IO_STM used by U_DSTM1 is undefined
ERROR -- Model IO_STM used by U_DSTM2 is undefined
ERROR -- Model IO_STM used by U_DSTM3 is undefined
ERROR -- Subcircuit 7408 used by X_HD_A1_U1A is undefined
ERROR -- Subcircuit 7408 used by X_HD_A1_U1B is undefined
ERROR -- Subcircuit 7408 used by X_HD_A1_U1C is undefined
ERROR -- Subcircuit 7404 used by X_HD_A1_U2A is undefined
ERROR -- Subcircuit 7404 used by X_HD_A1_U2B is undefined
ERROR -- Subcircuit 7432 used by X_HD_A1_U3A is undefined
ERROR -- Subcircuit 7408 used by X_HD_B1_U1A is undefined
ERROR -- Subcircuit 7408 used by X_HD_B1_U1B is undefined
ERROR -- Subcircuit 7408 used by X_HD_B1_U1C is undefined
ERROR -- Subcircuit 7404 used by X_HD_B1_U2A is undefined
ERROR -- Subcircuit 7404 used by X_HD_B1_U2B is undefined
ERROR -- Subcircuit 7432 used by X_HD_B1_U3A is undefined
ERROR -- Subcircuit 7432 used by X_U1A is undefined

 

I double checked the path and I cannot figure out the reason on how to fix the errors. Any help is appreciated.

Thanks,

JETEE 

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  • Patrick Zhu
    Thank you! Your advice is really helpful.
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  • Patrick Zhu
    Thank you! Your advice is really helpful.
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