Losses, and Voltage-Current Representations

Losses, and Voltage-Current Representations

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In Chap. 3 it was shown that entry and exit to the coordinates of the SMITH CHART are conveniently accomplished through the use of appropriately graduated peripheral and radial scales. The peripheral scales (which were described in Chap. 3) relate all angular positions on the chart coordinates, as measured from its center, to corresponding physical positions along a waveguide. These scales include two linear length scales, one progressing clockwise and the other counterclockwise, from zero to one-half wavelength around the chart circumference. A third peripheral scale measures the phase angle of the voltage reflection coefficient in relation to chart coordinates. Each point along each of the three peripheral scales was shown to apply to all chart positions radially in line therewith.

Chapter Contents:

  • 4.1 Radial Loss Scales
  • 4.1.1 Transmission Loss
  • 4.1.2 Standing Wave Loss Factor
  • 4.1.3 Reflection Loss
  • 4.1.4 Return Loss
  • 4.2 Current and Voltage Overlays

Inspec keywords: dielectric losses

Other keywords: linear length scales; waveguide; chart coordinates; voltage-current representations; angular positions; chart circumference; radial scales; physical positions; losses; peripheral scales; Smith chart; voltage reflection coefficient

Subjects: Dielectric materials and properties

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