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

Rendering mode

Visualize both the impedance and admittance of transmission lines using the UWP Smith Chart control.

UWP Smith Chart impendence transmission.

Impedance transmission

An impedance Smith chart is composed of two families of circles: normalized resistance circles and normalized reactance circles.

UWP Smith Chart admittance transmission.

Admittance transmission

An admittance Smith chart is composed of two families of circles: normalized conductance circles and normalized susceptance circles.


A Smith chart has horizontal and radial axes. The appearance of both axes can be customized, including their labels and major and minor gridlines.

UWP Smith Chart with horizontal axis customization.

Horizontal axis

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

UWP Smith Chart with radial axis customization.

Radial axis

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

UWP Smith Chart with axis support.

Axis customization

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


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

UWP 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.

UWP 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.

UWP 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 their data points.

UWP Smith Chart with smart data label support.

Smart data label

The data labels are smartly arranged to avoid overlapping when plotting a large amount 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. Clicking a legend item toggles the visibility of its series.

UWP Smith Chart with legend support.


A tooltip displays a pop-up with additional information when the pointer hovers over a data point.

UWP Smith Chart with tooltip support.


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