Error when simulating spice model in OrCAD PSpice

operational-amplifierorcadsimulationspice

I am trying to simulate a circuit based on TS522 op-amp using OrCAD PSpice 16.5. The manufacturer's website did not have a model for this op-amp, and I had to look for it elsewhere. I was able to find one and import it into my OrCAD project, however, the PSpice simulator throws en error, every time I am trying to simulate the netlist. The error says:

ERROR(ORPSIM-16371): Extra text on line

The model file is located here.

Could anyone help me with this error? I am not very familiar with detailed of Spice syntax, just have the overall idea what netlists are.

Thanks.

Best Answer

A guess is that it might refer to the (analog) on this line:

 .SUBCKT TS522 1 3 2 4 5 (analog)

Try removing that and see if it works.

Checking further down, there is also a problem on this line:

 E1 50 40 51 0 1 E2 40 39 52 0 1

It should be:

 E1 50 40 51 0 1 
 E2 40 39 52 0 1

I just tried it in LTSpice with these two changes and it doesn't complain.

Related Solutions

Electronic – How to import PSPICE Model into Orcad Capture

The answer below is how to properly import a PSpice model (usually generated in a third-party software) into Orcad Capture and PSpice so that both the schematic editor and the simulator work without errors.

Summary
Firstly, the model must be imported into Orcad Capture (so that a new component and a new library .olb is created. Secondly, the model must be properly "fed" to PSpice.

Step 1. Creation of Orcad's component library (.olb file)

Open Orcad Capture -> File -> Import -> PSpice -> OK

Notes:
a) Field Open: path to the PSpice model
b) Field Save as: path to an Orcad library to be created with a new component. Extension must be .opj
c) Field Schematic Configuration File: leave it as suggested

Step 2. Setting up PSpice simulator

Copy and paste your model file (e.g. Model.mod).
Rename the file from Model.mod to Model.lib. This is done, because PSpice works only with .lib extension.
Open Orcad Capture, PSpice -> New Simulation Profile -> Enter any name for the profile (e.g. tran1) -> In an opened window go to "Configuration files" tab -> Library category

Enter the path to Model.lib in the Filename field -> Press Add to Design button
Make sure that the file {Orcad installation directory}\tools\pspice\library\nom.lib is also added to the Configured Files as a Global
Make sure that in the Library Path there is a correct path to the PSpice main library (see the picture above as an example of a proper path).

Final comments
a) Wrt the error you mentioned "ERROR(ORPSIM-15108): Subcircuit LM741/NS used by X_U5 is undefined", this is caused by improper setting of PSpice simulation profile (either improper path to the Model.lib or main Library Path).
b) Overall, the trick is that import of a PSpice model is done twice: once in Orcad Capture and once in PSpice (would have been better if done automatically by the program).
c) Of course, to add the component in Capture, one needs to add the library (Model.olb) in a Place Part subwindow.
d) Not sure, but likely names of the files Model.lib and Model.olb must be the same, so that PSpice knows what Spice model to use.

NgSPICE Too Few Parameters Error

Your subcircuit begins with this card:

.SUBCKT 74F148   IN0_I IN1_I IN2_I IN3_I IN4_I IN5_I IN6_I IN7_I EI_I
+ A0_O A1_O A2_O GS_O EO_O

Notice, there are 14 connecting nodes, starting with IN0_1 and ending with E0_0.

But when you instantiate the subcircuit, you use this X card:

X2 0 1 2 3 4 5 6 7 8 9 10 11 12 0 13 74F148

This card tries to make 15 connections to the subcircuit, starting with 0 and ending with 13 (node 0 is connected twice).

The number of nodes assigned in the instantiation (X card) must match the number of connections called for by the subcircuit definition.

Best Answer

Related Solutions

Electronic – How to import PSPICE Model into Orcad Capture

NgSPICE Too Few Parameters Error

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