Use the Model tab of the Component Properties dialog box to edit the component's model information.

The Model tab contains the following:

  Parameter   Description
Model name area Displays a list of models associated with the selected component.
Model data area Displays the SPICE model data of the selected component.
Symbol to model pin mapping table

Symbol pins column— Displays the names of the pins associated with the symbol.

Model nodes column—Displays the order in which the Symbol pins are represented in the model data.
Add from comp button Click to select a component, whose model you wish to use, from the existing Multisim database.
Add/Edit button Use to add or edit a new or existing model in the Multisim database.
Delete a model button Use to delete a model or number of models from the model list in the Model name area.
Copy to button Use to copy model information to other sections of a multi-section component.
Show table button

This button appears when the model template view is displayed.

Click to display a table showing the symbol to model pin mapping.

In some cases, the model template may contain syntax which cannot be shown in the table view. For example:

— interactive component models which include language codes with key words BEGIN-INTERACT.

— model templates that include .MODEL.

— model templates that include .SUBCKT.

If this is the case, a warning message displays.
Show template button

This button appears when the table view is displayed.

Click to display a template of pins connected to their respective nodes in the model.

  If you choose to edit a model's data or template directly, be very careful when entering information. Making a typing error or removing a character by mistake could cause the model to function improperly. Unless you are experienced at creating/editing models, it is recommended that you copy a model that has the same template information you require.

The Model data and Symbol to model pin mapping areas contain the information that make up the model itself (and are thus the most important parts for simulation purposes).

  If you modify a model, the model changes for all other components within the same database, whose models are based on that template. If you want to modify a model for a specific component, save the modified model with a name similar to that of the component. Alternatively, you can copy a model whose model template matches what you want.

  If you select a component from the Master Database, you will not be able to modify its model information.

You can import or load an existing model.

You can create your own model using the Model Makers.