SPICE Links
Free SPICE Simulators
LTspice IV – Linear Technology – A fully functional SPICE engine and LT device models. On the same page there are User guides, device models, and other useful design simulation programs.
TINA-TI, Texas Instruments version of SPICE – This SPICE engine can be downloaded from Texas Instruments website. It is free, fully functional, and can be used with the Texas Instruments component models.
Multisim (Analog Devices version) – National Instruments – This is the National Instruments Multisim Pro SPICE. The Analog Devices version has only Analog Devices models, but one can create and save his own circuits made with ideal components if needed. With this version you can also create designs with a mixture of Analog Devices models and SPICE standard components. You can find Multisim manuals, tutorials, and examples here: http://www.ni.com/support/multisimsupp
TopSPICE – Penzar - This is a demo version with a limited number of nodes, transistors and subcircuits, but it is great for non-professional applications.
PSpice – Cadence Design Systems, Inc. - A fully functional student version. The only limitation is the number of nodes and components. Great for learning. (Link submitted by Scott Hamilton).
SIMetrix Technologies Ltd – SIMetrix is a general purpose spice simulation package that is optimised for fast simulation of switching power supply designs. It also has a sister simulator – not based on spice – called SIMPLIS for “very” fast simulation of intensive switching designs such as SMPS, PLL and complex modulation schemes. Although it is a commercial offering, the free demo version has very generous node and device limits. Registered copies of the demo version even qualify for email support. (Link submitted by Andy Fierman).
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