Ref_imm ( number, optional) – Reference immittance for center of Smith chart. Not used if draw_labels = True.Īx ( or None, optional) – existing axes to draw smith chart on. Arizona football depth chart: How Wildcats roster stacks up for game vs. ’yz’ : lines of constant admittance stronger than impedanceĭraw_labels ( Boolean, optional) – annotate real and imaginary parts of impedance on theīorder ( Boolean, optional.) – draw a rectangular border with axis ticks, around the perimeter ’zy’ : lines of constant impedance stronger than admittance When using the YZ-chart on the left, the top half is. Immittance Smith Charts (YZ Charts) Impedance Matching Circuit and Formula. Learning to use the chart on the right, by itself, is a good academic exercise but not very useful. It is a graphical calculator used for solving complex problems of transmission lines and matching circuits. SmithR ( number, optional) – radius of smith chart. Impedance matching o lumped elements o Single-stub matching o Quarter-wave impedance transformer. The smith chart was invented by Philip H Smith and T. Scattering parameters, noise figure circles, etc. Parameters including impedances, admittances, reflection coefficients, It can be used to simultaneously display multiple
The Smith chart is used to assist in solving problems with transmission linesĪnd matching circuits. smith ( smithR = 1, chart_type = 'z', draw_labels = False, border = False, ax = None, ref_imm = 1.0, draw_vswr = None ) ¶