Qucs-S Help documentation

User Manual and Reference Material

Authors Mike Brinson ( and Vadim Kusnetsov (

Copyright 2015, 2016

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. A copy of the license is included in the section entitled “GNU Free
Documentation License”.


A “Technical Description” of the Qucs simulator and implemented device models are available online at

Spice4qucs example schematics can be found in the spice4qucs source code “examples” directory.

Unofficial Qucs build with spice4qucs features enabled called release candidate 6 (rc6) can be downloaded from

Indices and tables