Match different impedances by attenuation.

By making use of an asymmetrical resistive attenuator you can match different impedance's or just use it as an normal attenuator calculator when both the input and output impedance's are equal.

With this tool you are not limited to a 50 Ohms impedance, but a range of  impedances can be selected making this calculator a very flexible tool to design an attenuator that creates a matching for both S11 and S22 in an electronic circuit.

With this calculator you can go to higher or lower impedance's from the input impedance. From the difference in impedance between the input and output, and the required attenuation level, a minimum required attenuation is calculated to obtain a good level of matching on both sides.

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WinRFCalc, the best RF calculator toolbox for Windows