The cookie is used to store the user consent for the cookies in the category 'Analytics'. This cookie is set by GDPR Cookie Consent plugin. These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly. Also remember that the circuit input reactance will be opposite in polarity with the source reactance when matching. This allows you to double check the calculator and make sure that it selected appropriate values, by making sure the impedance correctly matches the input impedance. The outputs of this tool give you the component values as well as a graph of the impedance looking into the L circuit from the source. If you are unsure what the reactance is set it to zero for a first pass approximation. The inputs ask for source resistance and source reactance.

There is one menu item to select if there is to be any DC current or not, that also affects the topology. In all topologies there is one inductor and one capacitor, but the location of these components changes. The circuit topology can change depending on the inputs. There are some important items to understand when using this tool. This calculator will give you the circuit topology as well as the component values. This technique doesn’t work for wide band requirements, but is a simple way to achieve this at a specific frequency. This tool will help you create a matching circuit so that optimal power transfer occurs between unmatched loads.

The L match circuit gets its name because the circuit topology can look like the letter “L”.

Smith chart online