4/13/2023 0 Comments Altium intlib![]() PSpice support information is included as part of the information for the relevant SPICE3f5 device model. Note: These models are not listed separately in this reference. To support these models, changes have been made to the general form for the corresponding SPICE3f5 device and/or additional parameter support has been added for use in a linked model file. PSpice analog models These are predefined analog device models that are built-in to PSpice. ![]() A large number of model files (*.mdl) are also included, that define the behavior of specific instances of these devices. The five most common semiconductor devices are also modeled - diodes, BJTs, JFETs, MESFETs and MOSFETs. They cover the various common analog component types, such as resistors, capacitors and inductors, as well as voltage and current sources, transmission lines and switches. Model Types The models supported by the Simulator can be effectively grouped into the following categories: SPICE3f5 analog models These are predefined analog device models that are built-in to SPICE. It is fully SPICE3f5 compatible, as well as providing support for a range of PSpice® device models. The Simulator uses an enhanced version of the event-driven XSpice, developed by the Georgia Tech Research Institute (GTRI), which itself is based on Berkeley's SPICE3 code. Simulation Models The Altium Designer-based Circuit Simulator is a true mixed-signal simulator, meaning that it can analyze circuits that include both analog and digital devices. This reference details the simulation models and circuit simulation analyses and describes some simulation troubleshooting techniques. Simulation Models and Analyses Reference Summary This comprehensive reference describes the simulation models and types of analyses available using Altium Designer’s Mixed-Signal Circuit Simulator.
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