Where the small letter L denotes the normalized load impedance, i.e., L = L / Z C. (1.1) and divide the numerator and denominator by the characteristic impedance of the line, Z C. Let’s return to the load reflection coefficient given by Eq. Shown in Figure 4 is also a unit circle, which sets the boundary for all the points representing a passive load reflection coefficient. The magnitude of 0 (center of the complex plane) corresponds to a matched load, the magnitude of 1 with the angle of 0 º represents an open circuit, while the magnitude of 1 with the angle of 180 º represents a short circuit. The angle is measured counterclockwise from the right-hand side of the horizontal Γ r axis.įor passive loads, the magnitude of the load reflection coefficient is always The magnitude of the load reflection coefficient is plotted as a directed line segment from the center of the plane. Figure 4: Load reflection coefficient and the complex Γ plane
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