This free online interactive Smith chart tool is a calculator which can help you design matching networks and obtain maximum power transfer between your source and load. This tool is javascript so it works on Windows, Mac, IOS, Android... or any device with a web browser

Operational Frequency
MHz
Frequency span (∓)
MHz
Characteristic Impedance
Ω
Permitivity eeff (note all λ=C/f√eeff)
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Impedance:
Admittance:
Reflection Coefficient:
Reflection Coefficient:
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Series Capacitor

Series Capacitor

Parallel Capacitor

Parallel Capacitor

Series Inductor

Series Inductor

Parallel Inductor

Parallel Inductor

Series Resistor

Series Resistor

Parallel Resistor

Parallel Resistor

Transmission Line

Transmission Line

Open Stub

Transmission Line

Short Stub

Transmission Line

Reflection Coefficient plotted on a polar axes:

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