![]() ![]() ![]() The basic SPICE netlist format SPICE simulation input data are text files which describe circuit structure, component data and requested simulation tasks for the circuit who s performance is being simulated. The purpose of this tutorial note is to introduce readers to a number of techniques that allow SPICE netlists to be simulated by Qucs, secondly to indicate the limitations of the current SPICE to Qucs netlist conversion process, and finally to present a preview of how Qucs is likely develop in the future in the area of SPICE netlist compatibility. Qucs cannot directly simulate standard SPICE circuit netlists but requires them to be converted to their Qucs equivalent prior to simulation. One area where Qucs and SPICE differ significantly is in their circuit file netlist formats which are very different 2. Today, most semiconductor device manufacturers provide SPICE models or subcircuit netlists for their discreet components and integrated circuits. Over the last three decades the SPICE simulation circuit netlist language has become a standard for describing, interchanging and publishing semiconductor device models and circuit data. Many of the basic circuit components and simulation domains found in SPICE are also available in Qucs. Although not yet finished, a substantial part of the central core of the package is functioning, allowing it to be used as a simulation engine for the analysis and design of real circuits. Qucs is a modern circuit simulation program which attempts to bring together a range of established and emerging circuit simulation technologies to form a Quite Universal Circuit Simulator. ![]() First released in 1972 by the University of California at Berkeley, SPICE has become an industrial standard circuit simulator. One of the best known of these programs is SPICE 1. A copy of the license is included in the section entitled GNU Free Documentation License.ΔΆ Introduction During the 196 s and 7 s, the academic community worked tirelessly to develop computer simulation programs that could act as aids in the process of circuit design. 1 Qucs A Tutorial Qucs Simulation of SPICE Netlists Mike Brinson Copyright c 27 Mike Brinson Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.1 or any later version published by the Free Software Foundation. ![]()
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