Circuit: schematic subcircuit management#

This example shows how you can use PyAEDT to add a subcircuit to a circuit design. It pushes down the child subcircuit and pops up to the parent design.

Perform required import#

Perform the required import.

import os
import pyaedt

Set non-graphical mode#

Set non-graphical mode. You can set non_graphical either to True or False.

non_graphical = False

Launch AEDT with Circuit#

Launch AEDT 2023 R2 in graphical mode with Circuit.

circuit = pyaedt.Circuit(projectname=pyaedt.generate_unique_project_name(),
circuit.modeler.schematic_units = "mil"
Initializing new desktop!
C:\actions-runner\_work\_tool\Python\3.10.5\x64\lib\ ResourceWarning: subprocess 7560 is still running
  _warn("subprocess %s is still running" %,

Add subcircuit#

Add a new subcircuit to the previously created circuit design, creating a child circuit. Push this child circuit down into the child subcircuit.

subcircuit = circuit.modeler.schematic.create_subcircuit(location=[0.0, 0.0])
subcircuit_name = subcircuit.composed_name
Returning found desktop with PID 7560!


Parametrize subcircuit#

Parametrize the subcircuit and add a resistor, inductor, and a capacitor with the parameter values in the following code example. Connect them in series and then use the pop_up # method to get back to the parent design.

circuit.variable_manager.set_variable(variable_name="R_val", expression="35ohm")
circuit.variable_manager.set_variable(variable_name="L_val", expression="1e-7H")
circuit.variable_manager.set_variable(variable_name="C_val", expression="5e-10F")
p1 = circuit.modeler.schematic.create_interface_port(name="In")
r1 = circuit.modeler.schematic.create_resistor(value="R_val")
l1 = circuit.modeler.schematic.create_inductor(value="L_val")
c1 = circuit.modeler.schematic.create_capacitor(value="C_val")
p2 = circuit.modeler.schematic.create_interface_port(name="Out")
circuit.modeler.schematic.connect_components_in_series(components_to_connect=[p1, r1, l1, c1, p2], use_wire=True)
Returning found desktop with PID 7560!


Release AEDT#

Release AEDT.

circuit.release_desktop(True, True)

Total running time of the script: (0 minutes 41.075 seconds)

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