Creating Subcircuits from Spice Netlists with TINACloud

Creating Subcircuits from Spice Netlists with TINACloud

In TINACloud you can create your own components from any Spice subcircuit that you have made or downloaded from the Internet.

Watch our tutorial video

 to see how to create a  TINA macro component using a THS4121 Spice Subcircuit downloaded previously from the web.

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Creating Subcircuits from Spice Netlists with TINACloud

In TINACloud you can create your own components from any Spice subcircuit that you have made or downloaded from the Internet.

In this tutorial we will present how to create a TINA macro component using a THS4121 Spice Subcircuit downloaded previously from the web.

Note that TINA and TINACloud use the same macro components.

Start TINACloud.

To invoke the Schematic Editor

Select New from the File menu

The Schematic Editor appears

Click the Insert (+) button to invoke the Insert menu

Select Upload macro

Let’s name the new macro as THS4121

Switch into From File from Current Circuit

then Click Choose Files

In the Downloads folder Enter ths4121.cir into the file name field

then Click OPEN

click Upload

Now you have to specify the name of the macro pins and also, if you wish, you can place them anywhere around the box.

To move VSS/?, select it by holding down the left-mouse button & moving the mouse, then press the right mouse button & select Cut.

Now move your mouse to the place where you would like to insert the text and select Paste from the Pop-up menu.

The ? must be replaced by the macro pin name, so write VSS/VSS

Repeate this procedure for all items where it is needed.

Click OK

To check the newly created macro select Insert macro from the Insert (+) menu

Select THS4121 from the Dialog Window of the User macros then press OK

The newly created macro will be attached to your cursor and you can place it wherever you wish on the workspace

To check its content double-click the macro.

then press … (Details) in the SubCkt (Content) line

Note that the Netlist also contains an auxiliary subcircuit

Click OK

Now you can create an application circuit by adding other components.

Let’s create the circuit like the one on this sample schematic

Double-click the component

then in the Property dialog enter the required component value & press OK

Save this circuit as THS4121_test_circuit.TSC

Let’s test the DC operation by pressing the interactive DC button.

The model works as expected.