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Update : Download CSmith V. 3.1 (3MB)

CSMITH - "An RF designer's Dream!" CSmith is a Smith chart program with many high-level features and some enhancements compared to previous versions (Look at the help file for details on the extensions). It can also be integrated into the complete information based system for electrical engineering, ELEKTA (note: the tools included in Elekta are more basic). With CSmith, you can design matching networks in a similar way to the conventional Smith diagram, but there are a number of far more powerful new features : (see pdf)

  • element parasitics included
  • S-parameter blocks and transistors available
  • easy modifying, rearranging, loading and saving of circuits
  • export of S-parameters and the complete circuit
  • performing frequency sweeps and Monte-Carlo analysis
  • displaying power gain or return loss vs. frequency
  • stability factor, MAG, available gain, VSWR, etc.
  • transforming mixed parallel and series RLC combinations
  • Do you simulate using APLAC or SPICE (PSpice, HSpice, etc.)?

    Then you can use CSmith (or AdLab) very effective! Design your circuit with CSmith and export it. The remaining work can be done in your simulator: Add blocks, perform optimizations, etc. Using the export functions this works very comfortable, e.g. for amplilifers, matching networks or filters.

    Compare CSmith to your Smith Diagram! Feedback is encouraged. Look at the help file / pdf for new features.

    CSmith runs on Windows 95/98/ME/NT4.0/2000/XP/Vista and higher. It is distributed as shareware for $35 (see ORDER.TXT).

    Note : CSmith is part of AdLab!

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    Copyright © 2000 Stephan Weber. All rights reserved.
    Version: Augst 15, 2009.