Matching Networks

Matching Network Quality

The match unit or matching network is a key component in getting power from an RF power supply to a plasma. The output of the power supply has a typical impedance of 50 Ohm. To match this to a plasma or other dynamic load we need a matching network. The matching network plays two key roles i) it presents a reactive impedance equal and opposite to the load so that the reactive components cancel and ii) it matches the real resistance of the load to the 50 Ohms of the RF power supply.

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