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WPF Smith Chart is a data visualization control for high-frequency circuit applications to visualize the complex functions. It has two sets of circles to plot the parameters of transmission lines.

Rendering mode

Visualize both the impendence and admittance of transmission lines using the WPF Smith Chart control.

WPF Smith Chart impendence transmission.

Impedance transmission

An impedance Smith chart is composed of two families of circles such as normalized resistance circles and normalized reactance curves.

WPF Smith Chart admittance transmission.

Admittance transmission

An admittance Smith chart is composed of two families of circles such as normalized conductance circles and normalized susceptance curves.


A Smith chart has horizontal and radial axes. The appearance of both axes can be customized, such as their labels and major and minor grid lines.

WPF Smith Chart with horizontal axis customization.

Horizontal axis

The horizontal axis is used for plotting resistance values of transmission lines.

WPF Smith Chart with radial axis customization.

Radial axis

The radial axis is used for plotting reactance values of transmission lines.

WPF Smith Chart with axis support.

Axis customization

Customize the appearance of an axis line using dash style and axis line color properties.


Plot any number of line series to represent data. Also, use different color models and customizable options.

WPF Smith Chart with line series.

Line series

Customize a line’s stroke and width by using the interior and stroke width properties of line series.

WPF Smith Chart with marker enabled.


Add marker shapes to a series to indicate each data point.

Data labels

Easily annotate data points with labels to improve the readability of data.

WPF Smith Chart with data labels.

Data label

Data labels provide additional information about the data points. By default, the data labels are displayed at the top of the data point.

WPF Smith Chart with smart data label support.

Smart data label

The data labels are smartly arranged to avoid intersection when there are large amounts of data.


Legends provide additional information that is helpful in identifying individual series in a Smith chart. They can be docked to the left, right, top, or bottom positions around the plot area. By clicking a legend item, we can toggle series visibly.

WPF Smith Chart with legend support.


A tooltip displays a pop-up with additional information when the mouse is hovered over a data point.

WPF Smith Chart with tooltip support.


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