SPICE Netlist Subcircuit Definition Template

SPICE Netlist Subcircuit Generator

Standard .SUBCKT Definition Tool
Syntax: SPICE3/LTspice

Symbol Preview (Black Box)

Auto-generated symbol based on defined Ports.

Definition Summary

  • Subcircuit Name: OPAMP_MACRO
  • Port Count: 5
  • Component Count: 3

Generated Netlist

Internal Circuit Design

Define the components that live inside the .SUBCKT and .ENDS block.

Add Component

Line Definition Action

Subcircuit Configuration

Unique identifier for calling this circuit (e.g., X1 1 2 0 OPAMP_MACRO).

Enter pin names separated by commas. Order matters in SPICE.

Key=Value pairs separated by commas (e.g. GAIN=100k, ROUT=50).

Scroll to Top