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Mathcad 15 slide control will simplify the procedure of circuit calculations. Simply by varying ther slide control, we can get the required input impedance.
The Microsoft Word document attached explain the full circuit in details and how to use the slide control. The circuit or the Antenna Tuner Unit is used for 100 KW in a MW broadcasting station in Pakistan. Attached also the Mathcad 15 Woksheet for reference.