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This applet is still under development. Check back to this page for updated versions of the applet - they should load automatically into your browser page.
To use the matching applet, click and drag the black dot on the chart to the location from which you would like to build your matching network. While the point is selected (it will have a gray square around it), you can add elements to the network by clicking on the buttons in the toolbar at the top of the applet. Change the element values by dragging the endpoints on the chart. While the circuit is selected, the elements and their values will be shown in the table at the bottom of the applet.
New! You can now edit the parameters of the selected item on the chart by using the parameters table.
Updated February 2007:
-Fixed parameter table updating problem
-Added Q lines for all circuit elements
-Added readout of r,x,g,b in parameter table
Updated October 2006:
-Added properties table, where you can type in values for circuit elements.
-Added Q line on chart
-Other internal updates to drawing functions
Updated May 2006:
-Now using Java 2/Swing (formerly written in Java 1.1).
Updated November 2005:
-Added series and shunt transmission line elements
-Removed some code that may have caused the applet not to run in some browsers
Updated July 2005:
-removed extra dot at origin of chart
-new elements now add with initial value equal to one unit of normalized susceptance
or reactance. Resistors initial value is Zo
Updated June 2005:
- Added support for multiple frequencies
- Added background Smith Chart lines in light gray
