RF Cool Tools
RF Design Simulation Software Free  (Mac/Linux/Unix/Windows)
Broadband Match | S-Parameter File Plotting | Filter Synthesis | S-Parameter Bisection and Complex Rational Polynomial  Fitting

Before clicking the Launch button, please take a moment to look through some program screen shots , or view some how to videos.
RFcooltools Real-Time-Design Professional click here to see highlights and Beta Test It!
Real-Time Design version (see changeLog)
(Linux/Windows) Before You Begin Please Install Java version 6 or higher Latest Java by Clicking Here

Unable to launch? This can be because there is a strict proxy on your local network or because your local security package is configured to block JNLP files. Contact you system administrator, or try using a different workstation, Mozilla users try reinstalling the javaws-plugin or try a different browser (Chrome for example) and Contact us we need feedback to improve.
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How To :

S-Parameter Bisection (pdf)

Complex Rational Polynomial Fitting and Root Discovery (pdf)
why am I being asked this?
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Answer: The dialog box appears because this program can read and save files, and access to the file system requires user acceptance.
To start the free version of the program click the launch icon