Default is False.ĭraw_vswr ( list of numbers, Boolean or None, optional) – draw VSWR circles. With a Smith chart, you can plot impedance values using the red and green circles and circle segments and then read reflection-coefficient values from the gray. Default is None (creates a new figure).įorce_chart ( Boolean, optional.) – forces the re-drawing of smith chart. You can use the properties to extract any data from the Smith chart.
Default is ‘equal’.Īx ( object or None.) – axes to draw on. Typically we only want to use lossless devices such as capacitors, inductors, transmission lines, in our matching network so that we do not dissipate any power. To list all the property Name,Value pairs in smithplot, use details(s).
#USING SMITH CHART HOW TO#
In this well-constructed article, Mike show us how to use the Smith Chart to get a graphical representation of impedance, admittance, phase, wavelength, and reflection coefficient of an antenna system. Default is True.Īxis_equal ( Boolean, optional.) – sets axis to be equal increments. This is part 2 of Mike Hendrickson's exploration of SWR, VSWR, and Reflected Power. Show_legend ( Boolean, optional.) – controls the drawing of the legend. Title ( string, optional.) – plot title, Default is ‘Complex Plane’. The importance of Smith Charts in the design process has (arguably) waned. Instead of considering its impedance directly, you express its reflection.
Y_label ( string, optional.) – y-axis label. Smith Charts are a beautiful way of visualizing whats going on with a circuit. A Smith chart is developed by examining the load where the impedance must be matched. X_label ( string, optional.) – x-axis label. Smith_r ( number) – radius of smith chartĬhart_type ( str in ) – Contour type for chart. We will finish with other possible RF measurement capabilities of the network analyzer. S ( complex array-like) – reflection-coefficient-like data to plot We will give examples of measurements using this tool.
plot_smith ( s, smith_r = 1, chart_type = 'z', x_label = 'Real', y_label = 'Imaginary', title = 'Complex Plane', show_legend = True, axis = 'equal', ax = None, force_chart = False, draw_vswr = None, * args, ** kwargs ) ¶
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