Solitaire - classic card game where you have to match cards, enjoy for free!
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DESCRIPTION
If you search for Microwave toolbox, Microstrip Calc is for you. It is easy to use, eyecandy calculator for microstrips, couplers/dividers, striplines and many others. For example you can calculate all impedances for your Wilkinson divider and write it into PC application (Ansoft Designer, Microwave Office...), without use complex equations.
Short tutorial: http://thesurix.blogspot.com/2012/07/microstrip-calc-ansoft-designer.html