Tuesday, February 28, 2012

5Spice Easy to use analog circuit simulation for the professional circuit designer

5Spice provides Spice specific schematic entry, the ability to define and save an unlimited number of analyses, and integrated graphing of simulation results. Plus easy inclusion of Spice/PSpice® models from a user expandable library. The focus is on analog circuit analysis and design at the component level. Student level MOSFET IC design is also supported but not compatible with HSpice® model libraries.
5Spice has the analysis capabilities needed by experienced circuit designers while remaining easy to use - a big step up from student oriented Spice programs.

  • most Spice concepts are represented visually in the schematic
  • use a wizard to set Spice simulation defaults to match your circuit
  • define, name and save unlimited numbers of analyses, each with a corresponding graph
  • indexed library of Spice models and subcircuits
    easily add manufacturer's files of models and subcircuits or your own. accepts standard Spice subcircuit syntax plus almost complete compatibility with PSpice® subcircuit syntax as used by Analog Devices, Linear Technology and TI. Not compatible with PSpice digital models.
  • when linking a model to a schematic symbol, selection list shows only library models that match symbol. list is searchable and indicates any models that are not compatible.
  • subcircuit schematic symbols auto-adjust number of pins
    the opamp and generic subcircuit schematic symbols adjust the number of pins to match the number of nodes in the user selected subcircuit. users can enter names for the pins which are then saved in the library.
  • temperature or component values can be swept and results plotted in a single graph. an included opamp model allows opamp GBW to be swept.
  • no need to keep track of circuit node numbers when graphing
  • support for analysis of alternative designs
  • much of Spice's traditional quirkiness is hidden from the user
  • program's Help tells how to perform tasks, written by a Spice user
  • behavioral modeling
    schematic symbol with user defined equation (equation may contain math functions, IF-THEN-ELSE structures, etc.)
  • a notes section in the schematic and one in each analysis allows users to document their work
Distribution and license
5Spice is copyrighted software but may be used non-commercially without charge and the install program may be freely distributed. There is a 30 day evaluation period for commercial usage before registration is required. Registration licenses the program for commercial use and provides the larger schematic sizes (A,B,C size) plus the full set of features. Registered users receive priority for support and more support options.
The download is approximately 3.8 Meg and includes the WinSpice simulation engine. Once you have tried the program, check the LINKS page for manufacturers' models to download and add to the library.
System Requirements
Windows 7, Vista, XP, or Windows 2000 running on a Windows compatible computer. Also runs in Windows on Apple’s Mac computers that have an Intel processor, requires two or three button mouse. Not for Windows emulators. 800x600 or higher screen resolution recommended.
Installation Notes
Windows 7, Vista & XP
You do not need to un-install an older version of 5Spice. Starting with v1.30, 5Spice uses a different directory structure when installed in these versions of Windows. Any old program files and the model Library will be moved to the new locations.
Windows 2000: You do not need to un-install an older version of 5Spice.

self-installing  v1.65  October 31, 2011:
         Click here to download.
v1.60 includes a new version of the simulation engine specifically for 5Spice. Many bug fixes and better coordination between the two programs.


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